Jin Sakai, Ghost of Tsushima (Commander) - Expensive Unblockable

Jin Sakai, Ghost of Tsushima
Rank #210
11decks
Background image for Jin Sakai, Ghost of Tsushima Commander Deck Tech
Joshua Wood
Oct 14, 2025
Jin Sakai, Ghost of Tsushima Commander Deck Tech
From the upcoming PlayStation Secret Lair, Jin Sakai, Ghost of Tsushima promises to bring the pain to our opponents. Let's build him.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Unstoppable Slasher
91%inclusion10 decks11 decks
87%synergy
Grim Hireling
82%inclusion9 decks11 decks
77%synergy
Enduring Curiosity
82%inclusion9 decks11 decks
74%synergy
Medomai the Ageless
64%inclusion7 decks11 decks
62%synergy
Rev, Tithe Extractor
64%inclusion7 decks11 decks
61%synergy
Fallen Shinobi
64%inclusion7 decks11 decks
61%synergy
Anguished Unmaking
82%inclusion9 decks11 decks
57%synergy
Ink-Eyes, Servant of Oni
55%inclusion6 decks11 decks
54%synergy
Squall, SeeD Mercenary
55%inclusion6 decks11 decks
50%synergy
Buster Sword
55%inclusion6 decks11 decks
50%synergy
Top Cards
Dovin's Veto
73%inclusion8 decks11 decks
47%synergy
Esper Sentinel
64%inclusion7 decks11 decks
36%synergy
Swords to Plowshares
64%inclusion7 decks11 decks
-5%synergy
Path to Exile
64%inclusion7 decks11 decks
22%synergy
Deadly Rollick
55%inclusion6 decks11 decks
40%synergy
Malcolm, Alluring Scoundrel
55%inclusion6 decks11 decks
50%synergy
Flawless Maneuver
55%inclusion6 decks11 decks
46%synergy
Void Rend
55%inclusion6 decks11 decks
20%synergy
Delney, Streetwise Lookout
45%inclusion5 decks11 decks
38%synergy
Kamiz, Obscura Oculus
45%inclusion5 decks11 decks
43%synergy
Game Changers
Teferi's Protection
64%inclusion7 decks11 decks
47%synergy
Demonic Tutor
64%inclusion7 decks11 decks
43%synergy
Fierce Guardianship
55%inclusion6 decks11 decks
34%synergy
Enlightened Tutor
45%inclusion5 decks11 decks
26%synergy
Cyclonic Rift
45%inclusion5 decks11 decks
21%synergy
Vampiric Tutor
45%inclusion5 decks11 decks
28%synergy
Smothering Tithe
36%inclusion4 decks11 decks
5%synergy
Ancient Tomb
36%inclusion4 decks11 decks
23%synergy
The One Ring
36%inclusion4 decks11 decks
23%synergy
Mox Diamond
36%inclusion4 decks11 decks
29%synergy
Creatures
Silent Hallcreeper
45%inclusion5 decks11 decks
41%synergy
Nashi, Moon Sage's Scion
45%inclusion5 decks11 decks
44%synergy
Summon: Primal Odin
45%inclusion5 decks11 decks
41%synergy
Virtus the Veiled
36%inclusion4 decks11 decks
36%synergy
Archpriest of Shadows
36%inclusion4 decks11 decks
34%synergy
Aerial Extortionist
36%inclusion4 decks11 decks
35%synergy
Drana, Liberator of Malakir
36%inclusion4 decks11 decks
35%synergy
Gríma, Saruman's Footman
36%inclusion4 decks11 decks
35%synergy
Psychic Frog
36%inclusion4 decks11 decks
29%synergy
Starwinder
36%inclusion4 decks11 decks
35%synergy
Phage the Untouchable
27%inclusion3 decks11 decks
27%synergy
Necropolis Regent
27%inclusion3 decks11 decks
27%synergy
Roaming Throne
27%inclusion3 decks11 decks
21%synergy
Silent-Blade Oni
27%inclusion3 decks11 decks
25%synergy
Thief of Sanity
27%inclusion3 decks11 decks
25%synergy
Puresteel Paladin
27%inclusion3 decks11 decks
23%synergy
Spark Double
27%inclusion3 decks11 decks
22%synergy
Sakashima of a Thousand Faces
27%inclusion3 decks11 decks
25%synergy
Yuriko, the Tiger's Shadow
27%inclusion3 decks11 decks
26%synergy
Grand Abolisher
27%inclusion3 decks11 decks
13%synergy
Grazilaxx, Illithid Scholar
27%inclusion3 decks11 decks
26%synergy
Ashling, the Extinguisher
27%inclusion3 decks11 decks
26%synergy
Michiko Konda, Truth Seeker
27%inclusion3 decks11 decks
27%synergy
Cloud, Midgar Mercenary
27%inclusion3 decks11 decks
24%synergy
Gregor, Shrewd Magistrate
18%inclusion2 decks11 decks
18%synergy
Mistblade Shinobi
18%inclusion2 decks11 decks
17%synergy
Selfless Samurai
18%inclusion2 decks11 decks
17%synergy
Serra Ascendant
18%inclusion2 decks11 decks
14%synergy
Stoneforge Mystic
18%inclusion2 decks11 decks
15%synergy
Baleful Strix
18%inclusion2 decks11 decks
-2%synergy
Shadowmage Infiltrator
18%inclusion2 decks11 decks
16%synergy
Throat Slitter
18%inclusion2 decks11 decks
18%synergy
Silver-Fur Master
18%inclusion2 decks11 decks
18%synergy
Orochi Soul-Reaver
18%inclusion2 decks11 decks
17%synergy
Tinybones, the Pickpocket
18%inclusion2 decks11 decks
18%synergy
Ancient Brass Dragon
18%inclusion2 decks11 decks
17%synergy
Basim Ibn Ishaq
18%inclusion2 decks11 decks
16%synergy
Faerie Mastermind
18%inclusion2 decks11 decks
9%synergy
Thada Adel, Acquisitor
18%inclusion2 decks11 decks
17%synergy
Sakashima's Student
18%inclusion2 decks11 decks
18%synergy
Voice of Victory
18%inclusion2 decks11 decks
10%synergy
Shoreline Looter
18%inclusion2 decks11 decks
17%synergy
Battle Angels of Tyr
18%inclusion2 decks11 decks
16%synergy
Blinding Angel
18%inclusion2 decks11 decks
18%synergy
Cephalid Facetaker
18%inclusion2 decks11 decks
17%synergy
Tymna the Weaver
18%inclusion2 decks11 decks
16%synergy
Blightsteel Colossus
18%inclusion2 decks11 decks
17%synergy
Satoru Umezawa
18%inclusion2 decks11 decks
17%synergy
Dauthi Voidwalker
18%inclusion2 decks11 decks
12%synergy
Higure, the Still Wind
9.1%inclusion1 decks11 decks
9%synergy
Instants
Mana Drain
45%inclusion5 decks11 decks
28%synergy
Counterspell
36%inclusion4 decks11 decks
-5%synergy
Negate
27%inclusion3 decks11 decks
11%synergy
Swan Song
27%inclusion3 decks11 decks
8%synergy
Arcane Denial
27%inclusion3 decks11 decks
7%synergy
Fell the Profane
18%inclusion2 decks11 decks
9%synergy
An Offer You Can't Refuse
18%inclusion2 decks11 decks
-9%synergy
Dawn's Truce
18%inclusion2 decks11 decks
14%synergy
Hatred
18%inclusion2 decks11 decks
18%synergy
Clever Concealment
18%inclusion2 decks11 decks
15%synergy
Dark Ritual
18%inclusion2 decks11 decks
-1%synergy
Darkness
18%inclusion2 decks11 decks
17%synergy
Force of Will
18%inclusion2 decks11 decks
6%synergy
Tainted Strike
18%inclusion2 decks11 decks
18%synergy
Permission Denied
18%inclusion2 decks11 decks
16%synergy
Stroke of Midnight
18%inclusion2 decks11 decks
11%synergy
Malakir Rebirth
18%inclusion2 decks11 decks
14%synergy
Force of Negation
18%inclusion2 decks11 decks
6%synergy
Ghostly Flicker
18%inclusion2 decks11 decks
15%synergy
Despark
18%inclusion2 decks11 decks
2%synergy
Borne Upon a Wind
18%inclusion2 decks11 decks
13%synergy
Inkshield
18%inclusion2 decks11 decks
9%synergy
Mortify
18%inclusion2 decks11 decks
9%synergy
Akroma's Will
18%inclusion2 decks11 decks
12%synergy
Envelop
9.1%inclusion1 decks11 decks
9%synergy
Turn Aside
9.1%inclusion1 decks11 decks
9%synergy
Countersquall
9.1%inclusion1 decks11 decks
8%synergy
Silence
9.1%inclusion1 decks11 decks
-1%synergy
Wash Away
9.1%inclusion1 decks11 decks
8%synergy
Sink into Stupor
9.1%inclusion1 decks11 decks
-4%synergy
Galadriel's Dismissal
9.1%inclusion1 decks11 decks
8%synergy
Reprieve
9.1%inclusion1 decks11 decks
8%synergy
Rebuff the Wicked
9.1%inclusion1 decks11 decks
9%synergy
Mystical Tutor
9.1%inclusion1 decks11 decks
-2%synergy
Batwing Brume
9.1%inclusion1 decks11 decks
8%synergy
Suspend
9.1%inclusion1 decks11 decks
9%synergy
Reroute Systems
9.1%inclusion1 decks11 decks
9%synergy
Spectacular Tactics
9.1%inclusion1 decks11 decks
9%synergy
Spider-Sense
9.1%inclusion1 decks11 decks
8%synergy
Sorceries
Toxic Deluge
45%inclusion5 decks11 decks
26%synergy
Steelshaper's Gift
36%inclusion4 decks11 decks
34%synergy
Damn
27%inclusion3 decks11 decks
7%synergy
Supreme Verdict
18%inclusion2 decks11 decks
3%synergy
Imperial Seal
18%inclusion2 decks11 decks
11%synergy
Sevinne's Reclamation
18%inclusion2 decks11 decks
9%synergy
Open the Armory
18%inclusion2 decks11 decks
15%synergy
Stolen Identity
18%inclusion2 decks11 decks
17%synergy
Writ of Return
18%inclusion2 decks11 decks
17%synergy
Farewell
18%inclusion2 decks11 decks
5%synergy
Austere Command
9.1%inclusion1 decks11 decks
0%synergy
Will of the Abzan
9.1%inclusion1 decks11 decks
8%synergy
Dismantling Wave
9.1%inclusion1 decks11 decks
8%synergy
Time Wipe
9.1%inclusion1 decks11 decks
2%synergy
Fabricate
9.1%inclusion1 decks11 decks
4%synergy
Temporal Manipulation
9.1%inclusion1 decks11 decks
9%synergy
Starfall Invocation
9.1%inclusion1 decks11 decks
7%synergy
Arcane Heist
9.1%inclusion1 decks11 decks
9%synergy
Hands of Binding
9.1%inclusion1 decks11 decks
9%synergy
Reanimate
9.1%inclusion1 decks11 decks
-7%synergy
Irenicus's Vile Duplication
9.1%inclusion1 decks11 decks
5%synergy
Hidden Strings
9.1%inclusion1 decks11 decks
9%synergy
Undercity Plague
9.1%inclusion1 decks11 decks
9%synergy
Time Warp
9.1%inclusion1 decks11 decks
8%synergy
Legions to Ashes
9.1%inclusion1 decks11 decks
9%synergy
Grim Tutor
9.1%inclusion1 decks11 decks
5%synergy
Utility Artifacts
Swiftfoot Boots
45%inclusion5 decks11 decks
21%synergy
Shadowspear
36%inclusion4 decks11 decks
34%synergy
Lightning Greaves
36%inclusion4 decks11 decks
14%synergy
Sword of Feast and Famine
36%inclusion4 decks11 decks
32%synergy
Bident of Thassa
36%inclusion4 decks11 decks
28%synergy
Genji Glove
36%inclusion4 decks11 decks
32%synergy
Umezawa's Jitte
27%inclusion3 decks11 decks
26%synergy
Sword of Fire and Ice
27%inclusion3 decks11 decks
25%synergy
Mithril Coat
27%inclusion3 decks11 decks
23%synergy
Vorpal Sword
27%inclusion3 decks11 decks
26%synergy
The Key to the Vault
27%inclusion3 decks11 decks
25%synergy
Excalibur, Sword of Eden
27%inclusion3 decks11 decks
25%synergy
Blackblade Reforged
27%inclusion3 decks11 decks
25%synergy
Hammer of Nazahn
27%inclusion3 decks11 decks
25%synergy
Quietus Spike
18%inclusion2 decks11 decks
17%synergy
The Indomitable
18%inclusion2 decks11 decks
17%synergy
Oathkeeper, Takeno's Daisho
18%inclusion2 decks11 decks
17%synergy
Helm of the Host
18%inclusion2 decks11 decks
16%synergy
Lost Jitte
18%inclusion2 decks11 decks
18%synergy
Sword of War and Peace
18%inclusion2 decks11 decks
17%synergy
Brotherhood Regalia
18%inclusion2 decks11 decks
16%synergy
Sword of the Animist
18%inclusion2 decks11 decks
14%synergy
Sword of Light and Shadow
9.1%inclusion1 decks11 decks
8%synergy
Nettlecyst
9.1%inclusion1 decks11 decks
6%synergy
Sensei's Divining Top
9.1%inclusion1 decks11 decks
-1%synergy
Thran Power Suit
9.1%inclusion1 decks11 decks
7%synergy
Mask of the Schemer
9.1%inclusion1 decks11 decks
8%synergy
Vedalken Orrery
9.1%inclusion1 decks11 decks
8%synergy
Scroll Rack
9.1%inclusion1 decks11 decks
7%synergy
Cranial Plating
9.1%inclusion1 decks11 decks
5%synergy
Caduceus, Staff of Hermes
9.1%inclusion1 decks11 decks
7%synergy
Whispersilk Cloak
9.1%inclusion1 decks11 decks
7%synergy
Winged Boots
9.1%inclusion1 decks11 decks
8%synergy
Mask of Riddles
9.1%inclusion1 decks11 decks
7%synergy
Sword of Wealth and Power
9.1%inclusion1 decks11 decks
8%synergy
Silver Shroud Costume
9.1%inclusion1 decks11 decks
9%synergy
Darksteel Plate
9.1%inclusion1 decks11 decks
8%synergy
Champion's Helm
9.1%inclusion1 decks11 decks
8%synergy
Dolmen Gate
9.1%inclusion1 decks11 decks
9%synergy
Quicksilver Amulet
9.1%inclusion1 decks11 decks
9%synergy
Grafted Exoskeleton
9.1%inclusion1 decks11 decks
8%synergy
Basilisk Collar
9.1%inclusion1 decks11 decks
7%synergy
Fishing Gear
9.1%inclusion1 decks11 decks
7%synergy
Planetarium of Wan Shi Tong
9.1%inclusion1 decks11 decks
8%synergy
Enchantments
Sigarda's Aid
36%inclusion4 decks11 decks
33%synergy
Rhystic Study
27%inclusion3 decks11 decks
-5%synergy
Combat Research
27%inclusion3 decks11 decks
24%synergy
Reconnaissance Mission
18%inclusion2 decks11 decks
12%synergy
Curious Obsession
18%inclusion2 decks11 decks
18%synergy
Duelist's Heritage
18%inclusion2 decks11 decks
16%synergy
Coastal Piracy
18%inclusion2 decks11 decks
16%synergy
Steel of the Godhead
18%inclusion2 decks11 decks
15%synergy
All That Glitters
18%inclusion2 decks11 decks
9%synergy
Black Market Connections
18%inclusion2 decks11 decks
4%synergy
Super State
18%inclusion2 decks11 decks
17%synergy
Impostor Syndrome
18%inclusion2 decks11 decks
16%synergy
Team Avatar
10%inclusion1 decks10 decks
10%synergy
Staggering Insight
9.1%inclusion1 decks11 decks
7%synergy
Legion Loyalty
9.1%inclusion1 decks11 decks
8%synergy
Aqueous Form
9.1%inclusion1 decks11 decks
6%synergy
Dissipation Field
9.1%inclusion1 decks11 decks
8%synergy
Wizard Class
9.1%inclusion1 decks11 decks
6%synergy
Grievous Wound
9.1%inclusion1 decks11 decks
8%synergy
Forge Anew
9.1%inclusion1 decks11 decks
6%synergy
Curious Inquiry
9.1%inclusion1 decks11 decks
9%synergy
Mantle of the Ancients
9.1%inclusion1 decks11 decks
6%synergy
Mystic Remora
9.1%inclusion1 decks11 decks
-12%synergy
Idolized
9.1%inclusion1 decks11 decks
8%synergy
Michiko's Reign of Truth
9.1%inclusion1 decks11 decks
8%synergy
Necropotence
9.1%inclusion1 decks11 decks
2%synergy
Leyline of Anticipation
9.1%inclusion1 decks11 decks
5%synergy
Wound Reflection
9.1%inclusion1 decks11 decks
8%synergy
Proft's Eidetic Memory
9.1%inclusion1 decks11 decks
8%synergy
Ghostly Prison
9.1%inclusion1 decks11 decks
-13%synergy
Propaganda
9.1%inclusion1 decks11 decks
-18%synergy
Trouble in Pairs
9.1%inclusion1 decks11 decks
4%synergy
Planeswalkers
Kaito, Cunning Infiltrator
18%inclusion2 decks11 decks
17%synergy
Utility Lands
Reliquary Tower
64%inclusion7 decks11 decks
30%synergy
Otawara, Soaring City
64%inclusion7 decks11 decks
45%synergy
Urborg, Tomb of Yawgmoth
55%inclusion6 decks11 decks
41%synergy
Shizo, Death's Storehouse
45%inclusion5 decks11 decks
44%synergy
Urza's Saga
45%inclusion5 decks11 decks
34%synergy
Eiganjo Castle
45%inclusion5 decks11 decks
44%synergy
Rogue's Passage
45%inclusion5 decks11 decks
36%synergy
Minamo, School at Water's Edge
36%inclusion4 decks11 decks
32%synergy
Eiganjo, Seat of the Empire
18%inclusion2 decks11 decks
13%synergy
Takenuma, Abandoned Mire
18%inclusion2 decks11 decks
12%synergy
Secret Tunnel
10%inclusion1 decks10 decks
9%synergy
Bojuka Bog
9.1%inclusion1 decks11 decks
-18%synergy
Hall of Heliod's Generosity
9.1%inclusion1 decks11 decks
-4%synergy
Vesuva
9.1%inclusion1 decks11 decks
9%synergy
The Black Gate
9.1%inclusion1 decks11 decks
9%synergy
Cabal Coffers
9.1%inclusion1 decks11 decks
6%synergy
Minas Morgul, Dark Fortress
9.1%inclusion1 decks11 decks
9%synergy
Academy Ruins
9.1%inclusion1 decks11 decks
2%synergy
Access Tunnel
9.1%inclusion1 decks11 decks
8%synergy
Vault of the Archangel
9.1%inclusion1 decks11 decks
3%synergy
Mana Artifacts
Sol Ring
100%inclusion11 decks11 decks
10%synergy
Arcane Signet
82%inclusion9 decks11 decks
-6%synergy
Talisman of Progress
55%inclusion6 decks11 decks
11%synergy
Talisman of Dominance
55%inclusion6 decks11 decks
5%synergy
Thought Vessel
45%inclusion5 decks11 decks
21%synergy
Fellwar Stone
36%inclusion4 decks11 decks
3%synergy
Talisman of Hierarchy
36%inclusion4 decks11 decks
-7%synergy
Chromatic Lantern
18%inclusion2 decks11 decks
5%synergy
Mana Vault
18%inclusion2 decks11 decks
9%synergy
Dimir Signet
18%inclusion2 decks11 decks
-14%synergy
Decanter of Endless Water
18%inclusion2 decks11 decks
10%synergy
Azorius Signet
18%inclusion2 decks11 decks
-13%synergy
Chrome Mox
18%inclusion2 decks11 decks
9%synergy
Replicating Ring
9.1%inclusion1 decks11 decks
8%synergy
Strixhaven Stadium
9.1%inclusion1 decks11 decks
9%synergy
Lotus Petal
9.1%inclusion1 decks11 decks
-2%synergy
The Aetherspark
9.1%inclusion1 decks11 decks
8%synergy
Relic of Legends
9.1%inclusion1 decks11 decks
3%synergy
Mox Amber
9.1%inclusion1 decks11 decks
3%synergy
Sol Talisman
9.1%inclusion1 decks11 decks
9%synergy
Gilded Lotus
9.1%inclusion1 decks11 decks
5%synergy
Mind Stone
9.1%inclusion1 decks11 decks
-4%synergy
Sonic Screwdriver
9.1%inclusion1 decks11 decks
8%synergy
Prismatic Lens
9.1%inclusion1 decks11 decks
8%synergy
Mox Opal
9.1%inclusion1 decks11 decks
0%synergy
Orzhov Signet
9.1%inclusion1 decks11 decks
-25%synergy
The Eternity Elevator
9.1%inclusion1 decks11 decks
8%synergy
The Soul Stone
9.1%inclusion1 decks11 decks
6%synergy
Lands
Underground Sea
100%inclusion11 decks11 decks
84%synergy
Island
100%inclusion11 decks11 decks
7%synergy
Tundra
91%inclusion10 decks11 decks
75%synergy
Command Tower
91%inclusion10 decks11 decks
-2%synergy
Swamp
91%inclusion10 decks11 decks
0%synergy
Plains
91%inclusion10 decks11 decks
-1%synergy
Scrubland
91%inclusion10 decks11 decks
75%synergy
Polluted Delta
91%inclusion10 decks11 decks
53%synergy
Sea of Clouds
82%inclusion9 decks11 decks
46%synergy
Raffine's Tower
82%inclusion9 decks11 decks
41%synergy
Morphic Pool
82%inclusion9 decks11 decks
48%synergy
Flooded Strand
82%inclusion9 decks11 decks
44%synergy
Godless Shrine
73%inclusion8 decks11 decks
22%synergy
Marsh Flats
73%inclusion8 decks11 decks
37%synergy
Vault of Champions
73%inclusion8 decks11 decks
40%synergy
Hallowed Fountain
73%inclusion8 decks11 decks
23%synergy
Watery Grave
73%inclusion8 decks11 decks
22%synergy
Mana Confluence
55%inclusion6 decks11 decks
41%synergy
Exotic Orchard
45%inclusion5 decks11 decks
-13%synergy
Drowned Catacomb
45%inclusion5 decks11 decks
9%synergy
City of Brass
45%inclusion5 decks11 decks
30%synergy
Clearwater Pathway
36%inclusion4 decks11 decks
30%synergy
Shipwreck Marsh
36%inclusion4 decks11 decks
16%synergy
Reflecting Pool
36%inclusion4 decks11 decks
28%synergy
Arcane Sanctum
36%inclusion4 decks11 decks
-18%synergy
Shattered Sanctum
36%inclusion4 decks11 decks
20%synergy
Deserted Beach
36%inclusion4 decks11 decks
16%synergy
Glacial Fortress
27%inclusion3 decks11 decks
-14%synergy
Brightclimb Pathway
27%inclusion3 decks11 decks
21%synergy
Isolated Chapel
27%inclusion3 decks11 decks
-12%synergy
Fell the Profane
18%inclusion2 decks11 decks
9%synergy
Undercity Sewers
18%inclusion2 decks11 decks
4%synergy
Misty Rainforest
18%inclusion2 decks11 decks
7%synergy
Shadowy Backstreet
18%inclusion2 decks11 decks
6%synergy
Windswept Heath
18%inclusion2 decks11 decks
8%synergy
Fetid Heath
18%inclusion2 decks11 decks
6%synergy
Hengegate Pathway
18%inclusion2 decks11 decks
12%synergy
Verdant Catacombs
18%inclusion2 decks11 decks
8%synergy
Darkslick Shores
18%inclusion2 decks11 decks
14%synergy
Malakir Rebirth
18%inclusion2 decks11 decks
14%synergy
Gemstone Caverns
18%inclusion2 decks11 decks
10%synergy
Arid Mesa
18%inclusion2 decks11 decks
8%synergy
Scalding Tarn
18%inclusion2 decks11 decks
7%synergy
Meticulous Archive
18%inclusion2 decks11 decks
4%synergy
Gloomlake Verge
18%inclusion2 decks11 decks
7%synergy
Sunken Ruins
18%inclusion2 decks11 decks
10%synergy
Mystic Gate
18%inclusion2 decks11 decks
13%synergy
Floodfarm Verge
18%inclusion2 decks11 decks
7%synergy
Bloodstained Mire
18%inclusion2 decks11 decks
7%synergy
Witch Enchanter
9.1%inclusion1 decks11 decks
2%synergy