G'raha Tia, Scion Reborn (Commander) - Expensive

Owain Roberts
Jun 27, 2025
Beyond the Multiverse-G'raha Tia
We're holding out for a hero, with this Commander deck tech featuring G'raha Tia, Scion Reborn, from Final Fantasy.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Decorum Dissertation
14%inclusion3 decks21 decks
13%synergy
Erode
14%inclusion3 decks22 decks
13%synergy
Stensian Sanguinist
9.1%inclusion2 decks22 decks
9%synergy
Silverquill, the Disputant
9.1%inclusion2 decks22 decks
9%synergy
Restoration Seminar
9.1%inclusion2 decks22 decks
9%synergy
High Synergy Cards
Caretaker's Talent
53%inclusion188 decks358 decks
49%synergy
Deadly Rollick
63%inclusion227 decks358 decks
48%synergy
Envoy of the Ancestors
45%inclusion161 decks358 decks
44%synergy
Mana Drain
59%inclusion211 decks358 decks
42%synergy
Whip of Erebos
44%inclusion156 decks358 decks
41%synergy
Elspeth, Storm Slayer
44%inclusion156 decks358 decks
40%synergy
Champions from Beyond
42%inclusion149 decks351 decks
39%synergy
Tocasia's Welcome
40%inclusion143 decks358 decks
39%synergy
Authority of the Consuls
51%inclusion183 decks358 decks
39%synergy
Y'shtola, Night's Blessed
38%inclusion137 decks358 decks
37%synergy
Top Cards
Swords to Plowshares
74%inclusion264 decks358 decks
6%synergy
Path to Exile
48%inclusion171 decks358 decks
5%synergy
Dovin's Veto
45%inclusion162 decks358 decks
19%synergy
Void Rend
45%inclusion162 decks358 decks
11%synergy
Counterspell
45%inclusion160 decks358 decks
3%synergy
Esper Sentinel
44%inclusion159 decks358 decks
17%synergy
Flawless Maneuver
42%inclusion151 decks358 decks
33%synergy
Akroma's Will
41%inclusion148 decks358 decks
35%synergy
An Offer You Can't Refuse
41%inclusion145 decks358 decks
13%synergy
Dig Through Time
40%inclusion143 decks358 decks
34%synergy
Game Changers
Fierce Guardianship
53%inclusion190 decks358 decks
33%synergy
Rhystic Study
49%inclusion176 decks358 decks
18%synergy
Smothering Tithe
42%inclusion151 decks358 decks
11%synergy
Cyclonic Rift
39%inclusion140 decks358 decks
16%synergy
Demonic Tutor
37%inclusion133 decks358 decks
17%synergy
Force of Will
33%inclusion119 decks358 decks
21%synergy
Teferi's Protection
31%inclusion111 decks358 decks
15%synergy
Enlightened Tutor
29%inclusion104 decks358 decks
10%synergy
Vampiric Tutor
28%inclusion100 decks358 decks
11%synergy
The One Ring
25%inclusion90 decks358 decks
12%synergy
Creatures
Soul Warden
35%inclusion124 decks358 decks
30%synergy
Soul's Attendant
29%inclusion103 decks358 decks
26%synergy
Mondrak, Glory Dominus
27%inclusion96 decks358 decks
20%synergy
Bennie Bracks, Zoologist
24%inclusion86 decks358 decks
23%synergy
Papalymo Totolymo
22%inclusion77 decks351 decks
12%synergy
Lyse Hext
20%inclusion70 decks351 decks
11%synergy
Orcish Bowmasters
19%inclusion69 decks358 decks
9%synergy
Kambal, Profiteering Mayor
18%inclusion66 decks358 decks
14%synergy
Teysa Karlov
18%inclusion65 decks358 decks
17%synergy
Lotho, Corrupt Shirriff
18%inclusion64 decks358 decks
1%synergy
Abzan Falconer
17%inclusion60 decks358 decks
16%synergy
Abzan Battle Priest
16%inclusion59 decks358 decks
16%synergy
Ojer Taq, Deepest Foundation
16%inclusion56 decks358 decks
12%synergy
Hildibrand Manderville
15%inclusion55 decks358 decks
13%synergy
Opposition Agent
15%inclusion54 decks358 decks
7%synergy
Voice of Victory
15%inclusion53 decks358 decks
6%synergy
Archivist of Oghma
14%inclusion51 decks358 decks
8%synergy
Drannith Magistrate
14%inclusion51 decks358 decks
7%synergy
Archmage Emeritus
14%inclusion50 decks358 decks
8%synergy
Witch Enchanter
13%inclusion46 decks358 decks
6%synergy
Wan Shi Tong, Librarian
13%inclusion17 decks135 decks
8%synergy
Talion, the Kindly Lord
13%inclusion45 decks358 decks
5%synergy
Ocelot Pride
13%inclusion45 decks358 decks
10%synergy
Ranger-Captain of Eos
13%inclusion45 decks358 decks
6%synergy
Sheoldred, the Apocalypse
11%inclusion41 decks358 decks
3%synergy
Arna Kennerüd, Skycaptain
11%inclusion41 decks358 decks
9%synergy
Hermes, Overseer of Elpis
11%inclusion40 decks351 decks
7%synergy
Aven Wind Guide
11%inclusion40 decks358 decks
10%synergy
Kambal, Consul of Allocation
11%inclusion39 decks358 decks
2%synergy
Tataru Taru
11%inclusion37 decks351 decks
2%synergy
Guide of Souls
10%inclusion35 decks358 decks
9%synergy
Mockingbird
10%inclusion35 decks358 decks
5%synergy
Dauthi Voidwalker
10%inclusion35 decks358 decks
4%synergy
Exalted Sunborn
9.5%inclusion24 decks253 decks
7%synergy
Flux Channeler
9.2%inclusion33 decks358 decks
9%synergy
Serra Ascendant
8.9%inclusion32 decks358 decks
5%synergy
Krile Baldesion
8.5%inclusion30 decks351 decks
4%synergy
Grand Abolisher
8.1%inclusion29 decks358 decks
-6%synergy
Archon of Emeria
8.1%inclusion29 decks358 decks
7%synergy
Thassa's Oracle
7.8%inclusion28 decks358 decks
-1%synergy
Vito, Thorn of the Dusk Rose
7.8%inclusion28 decks358 decks
0%synergy
Chocobo Knights
7.7%inclusion27 decks351 decks
7%synergy
Emet-Selch of the Third Seat
7.6%inclusion27 decks353 decks
-2%synergy
Elas il-Kor, Sadistic Pilgrim
7.5%inclusion27 decks358 decks
4%synergy
Faerie Mastermind
7.5%inclusion27 decks358 decks
-2%synergy
Alphinaud Leveilleur
7.1%inclusion25 decks351 decks
-1%synergy
Alisaie Leveilleur
7.1%inclusion25 decks351 decks
-1%synergy
Snapcaster Mage
7.0%inclusion25 decks358 decks
5%synergy
Hydroelectric Specimen
7.0%inclusion25 decks358 decks
4%synergy
Herald of Secret Streams
7.0%inclusion25 decks358 decks
7%synergy
Instants
Sink into Stupor
38%inclusion136 decks358 decks
25%synergy
Snuff Out
37%inclusion131 decks358 decks
28%synergy
Swan Song
36%inclusion129 decks358 decks
16%synergy
Frantic Search
35%inclusion125 decks358 decks
17%synergy
Brainstorm
35%inclusion125 decks358 decks
18%synergy
Force of Negation
32%inclusion113 decks358 decks
20%synergy
Arcane Denial
30%inclusion109 decks358 decks
10%synergy
Clever Concealment
29%inclusion104 decks358 decks
26%synergy
Fell the Profane
27%inclusion98 decks358 decks
19%synergy
Anguished Unmaking
26%inclusion92 decks358 decks
0%synergy
Inkshield
24%inclusion87 decks358 decks
15%synergy
Generous Gift
23%inclusion83 decks358 decks
9%synergy
Unwind
23%inclusion82 decks358 decks
17%synergy
Mystical Tutor
18%inclusion66 decks358 decks
8%synergy
Dark Ritual
18%inclusion65 decks358 decks
-2%synergy
Lethal Scheme
18%inclusion65 decks358 decks
13%synergy
Silence
16%inclusion59 decks358 decks
6%synergy
Rewind
16%inclusion58 decks358 decks
11%synergy
Misdirection
15%inclusion55 decks358 decks
13%synergy
Opt
15%inclusion53 decks358 decks
11%synergy
Mindbreak Trap
15%inclusion53 decks358 decks
8%synergy
Despark
15%inclusion53 decks358 decks
-1%synergy
Stroke of Midnight
15%inclusion52 decks358 decks
7%synergy
Mental Misstep
14%inclusion49 decks358 decks
7%synergy
Heliod's Intervention
12%inclusion44 decks358 decks
11%synergy
Transpose
12%inclusion43 decks351 decks
5%synergy
Negate
12%inclusion43 decks358 decks
-4%synergy
Waterlogged Teachings
12%inclusion43 decks358 decks
7%synergy
Sphinx's Revelation
12%inclusion42 decks358 decks
9%synergy
Commandeer
11%inclusion40 decks358 decks
10%synergy
Restoration Magic
11%inclusion35 decks327 decks
8%synergy
Azorius Charm
10%inclusion37 decks358 decks
10%synergy
Flusterstorm
10%inclusion36 decks358 decks
2%synergy
Consider
10%inclusion35 decks358 decks
7%synergy
Snap
10%inclusion35 decks358 decks
8%synergy
Tainted Pact
9.2%inclusion33 decks358 decks
2%synergy
Dawn's Truce
8.9%inclusion32 decks358 decks
4%synergy
Harmonized Crescendo
8.9%inclusion7 decks79 decks
7%synergy
Chain of Vapor
7.8%inclusion28 decks358 decks
5%synergy
Aetherize
7.8%inclusion28 decks358 decks
4%synergy
Curtains' Call
7.8%inclusion28 decks358 decks
7%synergy
Dismember
7.5%inclusion27 decks358 decks
1%synergy
Demonic Consultation
7.3%inclusion26 decks358 decks
-1%synergy
Malakir Rebirth
7.3%inclusion26 decks358 decks
3%synergy
Baleful Mastery
7.0%inclusion25 decks358 decks
5%synergy
Into the Story
7.0%inclusion25 decks358 decks
5%synergy
Grand Crescendo
6.7%inclusion24 decks358 decks
6%synergy
Ultimate Magic: Holy
6.6%inclusion23 decks351 decks
5%synergy
Soul Shatter
6.4%inclusion23 decks358 decks
5%synergy
Perplexing Test
6.1%inclusion22 decks358 decks
6%synergy
Sorceries
Exsanguinate
29%inclusion105 decks358 decks
22%synergy
Treasure Cruise
29%inclusion103 decks358 decks
26%synergy
Toxic Deluge
24%inclusion85 decks358 decks
4%synergy
Hour of Reckoning
22%inclusion78 decks358 decks
19%synergy
Farewell
16%inclusion59 decks358 decks
4%synergy
Diabolic Intent
16%inclusion56 decks358 decks
11%synergy
Damn
14%inclusion51 decks358 decks
-6%synergy
Windfall
13%inclusion45 decks358 decks
-1%synergy
Vindicate
13%inclusion45 decks358 decks
2%synergy
The Crystal's Chosen
12%inclusion41 decks351 decks
11%synergy
Ponder
11%inclusion41 decks358 decks
2%synergy
Imperial Seal
11%inclusion41 decks358 decks
4%synergy
Everything Comes to Dust
11%inclusion38 decks358 decks
10%synergy
Damning Verdict
11%inclusion38 decks358 decks
10%synergy
Sea Gate Restoration
9.5%inclusion34 decks358 decks
7%synergy
Beseech the Mirror
8.9%inclusion32 decks358 decks
5%synergy
Stock Up
8.7%inclusion31 decks358 decks
7%synergy
Debt to the Deathless
7.8%inclusion28 decks358 decks
6%synergy
Preordain
7.8%inclusion28 decks358 decks
3%synergy
Temporal Trespass
7.8%inclusion28 decks358 decks
7%synergy
Circle of Power
7.7%inclusion27 decks351 decks
1%synergy
Supreme Verdict
7.3%inclusion26 decks358 decks
-7%synergy
Austere Command
7.3%inclusion26 decks358 decks
-1%synergy
Reanimate
6.7%inclusion24 decks358 decks
-9%synergy
Lórien Revealed
6.1%inclusion22 decks358 decks
4%synergy
Winds of Abandon
5.9%inclusion21 decks358 decks
5%synergy
Agadeem's Awakening
5.9%inclusion21 decks358 decks
4%synergy
Gitaxian Probe
5.0%inclusion18 decks358 decks
3%synergy
Syphon Mind
5.0%inclusion18 decks358 decks
1%synergy
Utility Artifacts
Idol of Oblivion
34%inclusion121 decks358 decks
31%synergy
The Wind Crystal
26%inclusion88 decks340 decks
21%synergy
Lightning Greaves
26%inclusion92 decks358 decks
3%synergy
Astrologian's Planisphere
20%inclusion71 decks351 decks
17%synergy
The Ozolith
20%inclusion72 decks358 decks
20%synergy
Black Mage's Rod
18%inclusion65 decks353 decks
14%synergy
Blue Mage's Cane
16%inclusion57 decks351 decks
13%synergy
Dancer's Chakrams
16%inclusion55 decks351 decks
10%synergy
Swiftfoot Boots
15%inclusion55 decks358 decks
-9%synergy
Reaper's Scythe
14%inclusion49 decks351 decks
9%synergy
Machinist's Arsenal
12%inclusion41 decks342 decks
10%synergy
Aetherflux Reservoir
11%inclusion41 decks358 decks
4%synergy
Ninja's Blades
11%inclusion36 decks337 decks
9%synergy
Archaeomancer's Map
10%inclusion37 decks358 decks
5%synergy
Dragoon's Lance
10%inclusion35 decks353 decks
9%synergy
White Mage's Staff
10%inclusion35 decks353 decks
9%synergy
Dark Knight's Greatsword
10%inclusion32 decks327 decks
9%synergy
Paladin's Arms
10%inclusion33 decks342 decks
9%synergy
Alhammarret's Archive
8.9%inclusion32 decks358 decks
3%synergy
Thief's Knife
8.9%inclusion29 decks327 decks
7%synergy
Sage's Nouliths
8.8%inclusion31 decks351 decks
7%synergy
Shadowspear
8.1%inclusion29 decks358 decks
5%synergy
Staff of the Storyteller
7.5%inclusion27 decks358 decks
7%synergy
The Darkness Crystal
6.8%inclusion24 decks353 decks
5%synergy
Bolas's Citadel
6.7%inclusion24 decks358 decks
-3%synergy
Coat of Arms
6.7%inclusion24 decks358 decks
6%synergy
Grafdigger's Cage
6.1%inclusion22 decks358 decks
4%synergy
Sensei's Divining Top
5.9%inclusion21 decks358 decks
-4%synergy
Biorganic Carapace
5.3%inclusion10 decks188 decks
4%synergy
Mithril Coat
5.3%inclusion19 decks358 decks
1%synergy
Wishclaw Talisman
5.3%inclusion19 decks358 decks
-2%synergy
Banner of Kinship
5.0%inclusion18 decks358 decks
3%synergy
Enchantments
Anointed Procession
40%inclusion142 decks358 decks
32%synergy
Intangible Virtue
38%inclusion137 decks358 decks
34%synergy
Mystic Remora
36%inclusion129 decks358 decks
15%synergy
Blind Obedience
31%inclusion112 decks358 decks
19%synergy
Propaganda
29%inclusion105 decks358 decks
1%synergy
Ghostly Prison
23%inclusion82 decks358 decks
1%synergy
True Conviction
21%inclusion75 decks358 decks
20%synergy
Trouble in Pairs
19%inclusion69 decks358 decks
14%synergy
Black Market Connections
18%inclusion64 decks358 decks
3%synergy
Shark Typhoon
17%inclusion62 decks358 decks
12%synergy
Kindred Discovery
17%inclusion60 decks358 decks
9%synergy
Font of Agonies
16%inclusion58 decks358 decks
16%synergy
Exquisite Blood
12%inclusion44 decks358 decks
6%synergy
Observed Stasis
11%inclusion40 decks351 decks
6%synergy
Leyline of Anticipation
11%inclusion38 decks358 decks
6%synergy
Angelic Chorus
10%inclusion36 decks358 decks
10%synergy
Cathars' Crusade
9.2%inclusion33 decks358 decks
7%synergy
Inspiring Leader
8.7%inclusion31 decks358 decks
7%synergy
Phyrexian Arena
8.7%inclusion31 decks358 decks
-5%synergy
Ajani's Welcome
8.4%inclusion30 decks358 decks
8%synergy
Deafening Silence
8.4%inclusion30 decks358 decks
7%synergy
Divine Visitation
7.8%inclusion28 decks358 decks
7%synergy
Sigarda's Summons
7.8%inclusion28 decks358 decks
8%synergy
Land Tax
7.0%inclusion25 decks358 decks
1%synergy
The Meathook Massacre
6.4%inclusion23 decks358 decks
3%synergy
Amphibian Downpour
6.4%inclusion23 decks358 decks
2%synergy
Bastion of Remembrance
6.1%inclusion22 decks358 decks
3%synergy
Bloodchief Ascension
6.1%inclusion22 decks358 decks
0%synergy
Inexorable Tide
5.9%inclusion21 decks358 decks
5%synergy
Resourceful Defense
5.9%inclusion21 decks358 decks
6%synergy
Rule of Law
5.0%inclusion18 decks358 decks
3%synergy
Battles
Invasion of Tolvada
10%inclusion37 decks358 decks
10%synergy
Invasion of Segovia
5.9%inclusion21 decks358 decks
6%synergy
Planeswalkers
Teferi, Time Raveler
13%inclusion47 decks358 decks
5%synergy
Sorin, Vengeful Bloodlord
10%inclusion36 decks358 decks
10%synergy
Sorin, Solemn Visitor
5.0%inclusion18 decks358 decks
5%synergy
Utility Lands
Otawara, Soaring City
49%inclusion174 decks358 decks
30%synergy
Vault of the Archangel
32%inclusion113 decks358 decks
25%synergy
Reliquary Tower
31%inclusion110 decks358 decks
-3%synergy
Urborg, Tomb of Yawgmoth
28%inclusion100 decks358 decks
15%synergy
Ancient Tomb
20%inclusion70 decks358 decks
7%synergy
Bojuka Bog
19%inclusion69 decks358 decks
-8%synergy
Urza's Saga
15%inclusion54 decks358 decks
3%synergy
Ishgard, the Holy See
12%inclusion42 decks351 decks
8%synergy
Mistrise Village
10%inclusion37 decks358 decks
7%synergy
Midgar, City of Mako
10%inclusion32 decks327 decks
8%synergy
Phyrexian Tower
10%inclusion35 decks358 decks
6%synergy
Eiganjo, Seat of the Empire
8.9%inclusion32 decks358 decks
4%synergy
Takenuma, Abandoned Mire
8.1%inclusion29 decks358 decks
2%synergy
Mystic Sanctuary
7.8%inclusion28 decks358 decks
4%synergy
Susur Secundi, Void Altar
6.7%inclusion17 decks253 decks
6%synergy
Karn's Bastion
6.4%inclusion23 decks358 decks
6%synergy
Cabal Coffers
6.1%inclusion22 decks358 decks
3%synergy
Tomb of the Spirit Dragon
5.6%inclusion20 decks358 decks
5%synergy
Abandoned Air Temple
5.4%inclusion7 decks130 decks
4%synergy
Minamo, School at Water's Edge
5.3%inclusion19 decks358 decks
1%synergy
Mana Artifacts
Arcane Signet
87%inclusion312 decks358 decks
-1%synergy
Sol Ring
85%inclusion303 decks358 decks
-5%synergy
Talisman of Progress
59%inclusion211 decks358 decks
15%synergy
Talisman of Dominance
56%inclusion199 decks358 decks
6%synergy
Talisman of Hierarchy
52%inclusion186 decks358 decks
8%synergy
Fellwar Stone
41%inclusion146 decks358 decks
8%synergy
Azorius Signet
25%inclusion88 decks358 decks
-6%synergy
Thought Vessel
23%inclusion83 decks358 decks
-2%synergy
Lotus Petal
22%inclusion79 decks358 decks
12%synergy
Chrome Mox
20%inclusion73 decks358 decks
11%synergy
Dimir Signet
19%inclusion68 decks358 decks
-12%synergy
Orzhov Signet
19%inclusion68 decks358 decks
-13%synergy
Mox Diamond
18%inclusion64 decks358 decks
11%synergy
Mox Amber
15%inclusion53 decks358 decks
9%synergy
Mox Opal
13%inclusion48 decks358 decks
5%synergy
Mana Vault
13%inclusion45 decks358 decks
4%synergy
Bender's Waterskin
11%inclusion23 decks213 decks
6%synergy
Chromatic Lantern
8.1%inclusion29 decks358 decks
-5%synergy
Patchwork Banner
6.1%inclusion22 decks358 decks
2%synergy
The Soul Stone
5.3%inclusion12 decks228 decks
3%synergy
Wand of the Worldsoul
5.0%inclusion18 decks358 decks
5%synergy
Lands
Tundra
98%inclusion350 decks358 decks
82%synergy
Scrubland
98%inclusion350 decks358 decks
82%synergy
Underground Sea
97%inclusion349 decks358 decks
82%synergy
Command Tower
94%inclusion338 decks358 decks
2%synergy
Watery Grave
93%inclusion332 decks358 decks
42%synergy
Godless Shrine
91%inclusion327 decks358 decks
40%synergy
Hallowed Fountain
91%inclusion326 decks358 decks
41%synergy
Island
86%inclusion309 decks358 decks
-7%synergy
Marsh Flats
86%inclusion308 decks358 decks
50%synergy
Plains
85%inclusion306 decks358 decks
-6%synergy
Polluted Delta
85%inclusion306 decks358 decks
48%synergy
Flooded Strand
85%inclusion305 decks358 decks
47%synergy
Swamp
81%inclusion291 decks358 decks
-10%synergy
Sea of Clouds
74%inclusion266 decks358 decks
39%synergy
Morphic Pool
73%inclusion262 decks358 decks
39%synergy
Vault of Champions
69%inclusion248 decks358 decks
37%synergy
Raffine's Tower
67%inclusion239 decks358 decks
26%synergy
Exotic Orchard
48%inclusion172 decks358 decks
-11%synergy
Glacial Fortress
40%inclusion142 decks358 decks
-2%synergy
Sink into Stupor
38%inclusion136 decks358 decks
25%synergy
Drowned Catacomb
35%inclusion127 decks358 decks
-2%synergy
Meticulous Archive
35%inclusion126 decks358 decks
21%synergy
Deserted Beach
35%inclusion126 decks358 decks
14%synergy
Scalding Tarn
34%inclusion123 decks358 decks
24%synergy
Isolated Chapel
34%inclusion121 decks358 decks
-7%synergy
Misty Rainforest
33%inclusion117 decks358 decks
22%synergy
Undercity Sewers
32%inclusion114 decks358 decks
17%synergy
Shipwreck Marsh
32%inclusion114 decks358 decks
11%synergy
Mana Confluence
31%inclusion110 decks358 decks
17%synergy
Arcane Sanctum
30%inclusion107 decks358 decks
-24%synergy
Verdant Catacombs
30%inclusion107 decks358 decks
20%synergy
Shattered Sanctum
29%inclusion105 decks358 decks
13%synergy
Bloodstained Mire
29%inclusion104 decks358 decks
18%synergy
Arid Mesa
28%inclusion101 decks358 decks
19%synergy
Fell the Profane
27%inclusion98 decks358 decks
19%synergy
City of Brass
27%inclusion98 decks358 decks
12%synergy
Floodfarm Verge
27%inclusion96 decks358 decks
16%synergy
Windswept Heath
25%inclusion89 decks358 decks
15%synergy
Shadowy Backstreet
25%inclusion88 decks358 decks
12%synergy
Underground River
23%inclusion84 decks358 decks
-11%synergy
Reflecting Pool
22%inclusion78 decks358 decks
14%synergy
Gloomlake Verge
22%inclusion78 decks358 decks
11%synergy
Adarkar Wastes
22%inclusion77 decks358 decks
-10%synergy
Caves of Koilos
20%inclusion71 decks358 decks
-16%synergy
Gemstone Caverns
18%inclusion65 decks358 decks
11%synergy
Bleachbone Verge
18%inclusion64 decks358 decks
9%synergy
Prismatic Vista
15%inclusion55 decks358 decks
11%synergy
Fetid Heath
13%inclusion48 decks358 decks
1%synergy
Prairie Stream
13%inclusion48 decks358 decks
-27%synergy
Sunken Ruins
13%inclusion48 decks358 decks
5%synergy