Grenzo, Dungeon Warden (Commander) - Optimized

Grenzo, Dungeon Warden
Rank #539
213decks
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Ethan Coover
Apr 15, 2026
Ethan Coover
The Best X-Cost Spell Combos in Commander
With the Quandrix school of Strixhaven so focused on X spells, now seems like a good time to run through the top X spell combo cards.
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Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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M.O.D.O.K.
4.2%inclusion1 decks24 decks
3%synergy
Doctor Doom
0.8%inclusion1 decks121 decks
1%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
76%inclusion162 decks213 decks
72%synergy
Murderous Redcap
71%inclusion152 decks213 decks
68%synergy
Heartstone
69%inclusion148 decks213 decks
67%synergy
Skirk Prospector
71%inclusion151 decks213 decks
66%synergy
Ashnod's Altar
74%inclusion158 decks213 decks
64%synergy
Workhorse
63%inclusion135 decks213 decks
63%synergy
Priest of Urabrask
63%inclusion135 decks213 decks
61%synergy
Sling-Gang Lieutenant
63%inclusion135 decks213 decks
60%synergy
Goblin Matron
62%inclusion131 decks213 decks
58%synergy
Priest of Gix
60%inclusion128 decks213 decks
58%synergy
Top Cards
Viscera Seer
62%inclusion133 decks213 decks
53%synergy
Siege-Gang Commander
60%inclusion127 decks213 decks
56%synergy
Barkform Harvester
58%inclusion124 decks213 decks
57%synergy
Pitiless Plunderer
57%inclusion122 decks213 decks
45%synergy
The Cauldron of Eternity
57%inclusion121 decks213 decks
56%synergy
Goblin Engineer
56%inclusion119 decks213 decks
52%synergy
Tomb Trawler
55%inclusion117 decks213 decks
54%synergy
Metallic Mimic
54%inclusion114 decks213 decks
52%synergy
Tel-Jilad Stylus
53%inclusion112 decks213 decks
52%synergy
Goblin Welder
47%inclusion101 decks213 decks
45%synergy
Game Changers
Demonic Tutor
38%inclusion81 decks213 decks
20%synergy
Ancient Tomb
35%inclusion74 decks213 decks
25%synergy
Vampiric Tutor
33%inclusion71 decks213 decks
20%synergy
Gamble
28%inclusion59 decks213 decks
18%synergy
Jeska's Will
25%inclusion54 decks213 decks
2%synergy
Chrome Mox
20%inclusion42 decks213 decks
14%synergy
Orcish Bowmasters
18%inclusion38 decks213 decks
8%synergy
Mana Vault
17%inclusion36 decks213 decks
12%synergy
Opposition Agent
16%inclusion34 decks213 decks
11%synergy
Imperial Seal
13%inclusion27 decks213 decks
8%synergy
Creatures
Hoverstone Pilgrim
47%inclusion100 decks213 decks
46%synergy
Zealous Conscripts
46%inclusion99 decks213 decks
45%synergy
Pawn of Ulamog
45%inclusion95 decks213 decks
42%synergy
Krenko, Mob Boss
44%inclusion94 decks213 decks
40%synergy
Warren Soultrader
44%inclusion94 decks213 decks
36%synergy
Zulaport Cutthroat
44%inclusion93 decks213 decks
35%synergy
Imperial Recruiter
43%inclusion91 decks213 decks
39%synergy
Solemn Simulacrum
38%inclusion82 decks213 decks
19%synergy
Gray Merchant of Asphodel
37%inclusion79 decks213 decks
27%synergy
Boggart Trawler
37%inclusion78 decks213 decks
30%synergy
Palladium Myr
36%inclusion77 decks213 decks
35%synergy
Woe Strider
36%inclusion76 decks213 decks
33%synergy
Meteor Golem
35%inclusion74 decks213 decks
32%synergy
Mad Auntie
34%inclusion73 decks213 decks
32%synergy
Blood Artist
33%inclusion71 decks213 decks
15%synergy
Treasonous Ogre
33%inclusion71 decks213 decks
30%synergy
Epitaph Golem
32%inclusion68 decks213 decks
31%synergy
Goblin Recruiter
31%inclusion67 decks213 decks
30%synergy
Goblin Warchief
31%inclusion66 decks213 decks
28%synergy
Leaden Myr
31%inclusion66 decks213 decks
29%synergy
Anger
31%inclusion65 decks213 decks
18%synergy
Goblin Trashmaster
30%inclusion64 decks213 decks
28%synergy
Iron Myr
30%inclusion64 decks213 decks
28%synergy
Conspicuous Snoop
30%inclusion64 decks213 decks
28%synergy
Goblin Chieftain
30%inclusion63 decks213 decks
27%synergy
Emrakul's Hatcher
28%inclusion59 decks213 decks
27%synergy
Duplicant
28%inclusion59 decks213 decks
27%synergy
Hexing Squelcher
27%inclusion30 decks112 decks
13%synergy
Pinnacle Monk
27%inclusion57 decks213 decks
20%synergy
Ravenous Chupacabra
27%inclusion57 decks213 decks
25%synergy
Junktroller
26%inclusion56 decks213 decks
26%synergy
Chainer, Nightmare Adept
26%inclusion55 decks213 decks
18%synergy
Boggart Harbinger
24%inclusion52 decks213 decks
23%synergy
Goblin Sharpshooter
24%inclusion52 decks213 decks
23%synergy
Pashalik Mons
24%inclusion51 decks213 decks
22%synergy
Ornithopter of Paradise
23%inclusion48 decks213 decks
19%synergy
Beetleback Chief
23%inclusion48 decks213 decks
21%synergy
Marionette Master
23%inclusion48 decks213 decks
17%synergy
Mogg War Marshal
21%inclusion45 decks213 decks
19%synergy
Bronze Walrus
21%inclusion44 decks213 decks
20%synergy
Goblin Chirurgeon
21%inclusion44 decks213 decks
19%synergy
Murderous Rider
20%inclusion42 decks213 decks
18%synergy
Simian Spirit Guide
19%inclusion40 decks213 decks
13%synergy
Clone Shell
19%inclusion40 decks213 decks
18%synergy
Munitions Expert
19%inclusion40 decks213 decks
17%synergy
Boggart Cursecrafter
18%inclusion20 decks110 decks
14%synergy
Moggcatcher
18%inclusion38 decks213 decks
17%synergy
Marionette Apprentice
18%inclusion38 decks213 decks
9%synergy
Crypt Ghast
18%inclusion38 decks213 decks
15%synergy
Warteye Witch
17%inclusion37 decks213 decks
17%synergy
Instants
Valakut Awakening
49%inclusion105 decks213 decks
42%synergy
Dark Ritual
43%inclusion92 decks213 decks
1%synergy
Fire Prophecy
29%inclusion61 decks213 decks
28%synergy
Deflecting Swat
25%inclusion54 decks213 decks
4%synergy
Chaos Warp
25%inclusion53 decks213 decks
-22%synergy
Volcanic Spite
20%inclusion43 decks213 decks
20%synergy
Deadly Rollick
19%inclusion41 decks213 decks
-3%synergy
Terminate
19%inclusion40 decks213 decks
-21%synergy
Red Elemental Blast
18%inclusion39 decks213 decks
10%synergy
Entomb
16%inclusion35 decks213 decks
9%synergy
Culling the Weak
16%inclusion34 decks213 decks
10%synergy
Pyroblast
13%inclusion27 decks213 decks
4%synergy
Rakdos Charm
12%inclusion25 decks213 decks
-32%synergy
Malakir Rebirth
12%inclusion25 decks213 decks
-4%synergy
Brightstone Ritual
11%inclusion24 decks213 decks
10%synergy
Cabal Ritual
11%inclusion24 decks213 decks
3%synergy
Bedevil
11%inclusion24 decks213 decks
-23%synergy
Fell the Profane
10%inclusion21 decks213 decks
-3%synergy
Imp's Mischief
8.9%inclusion19 decks213 decks
-0%synergy
Abrade
8.9%inclusion19 decks213 decks
-12%synergy
Burnt Offering
8.9%inclusion19 decks213 decks
4%synergy
Battle Hymn
8.0%inclusion17 decks213 decks
7%synergy
Thrill of Possibility
7.5%inclusion16 decks213 decks
-11%synergy
Tibalt's Trickery
7.5%inclusion16 decks213 decks
-6%synergy
Dismember
7.5%inclusion16 decks213 decks
3%synergy
Saw in Half
7.5%inclusion16 decks213 decks
-4%synergy
Redirect Lightning
7.2%inclusion11 decks152 decks
-2%synergy
First Day of Class
7.0%inclusion15 decks213 decks
6%synergy
Untimely Malfunction
6.6%inclusion14 decks212 decks
-12%synergy
Village Rites
6.6%inclusion14 decks213 decks
-9%synergy
Withering Torment
6.1%inclusion13 decks212 decks
-16%synergy
Lightning Bolt
6.1%inclusion13 decks213 decks
-12%synergy
Fire Covenant
5.6%inclusion12 decks213 decks
-1%synergy
Seething Song
5.2%inclusion11 decks213 decks
-7%synergy
Ad Nauseam
5.2%inclusion11 decks213 decks
3%synergy
Sorceries
Doomsday
31%inclusion65 decks213 decks
30%synergy
Faithless Looting
22%inclusion46 decks213 decks
-6%synergy
Read the Bones
18%inclusion39 decks213 decks
6%synergy
Diabolic Intent
18%inclusion38 decks213 decks
10%synergy
Blasphemous Act
17%inclusion36 decks213 decks
-34%synergy
Into the Fire
16%inclusion35 decks213 decks
16%synergy
Feed the Swarm
15%inclusion33 decks213 decks
-26%synergy
Toxic Deluge
15%inclusion32 decks213 decks
-3%synergy
Reanimate
15%inclusion31 decks213 decks
-8%synergy
Dread Return
13%inclusion27 decks213 decks
8%synergy
Vandalblast
12%inclusion26 decks213 decks
-18%synergy
Agadeem's Awakening
12%inclusion26 decks213 decks
9%synergy
Buried Alive
10%inclusion21 decks213 decks
5%synergy
Diabolic Tutor
8.0%inclusion17 decks213 decks
2%synergy
Wheel of Fortune
8.0%inclusion17 decks213 decks
2%synergy
Grim Tutor
8.0%inclusion17 decks213 decks
4%synergy
Beseech the Mirror
8.0%inclusion17 decks213 decks
4%synergy
Victimize
7.5%inclusion16 decks213 decks
-7%synergy
Living Death
7.0%inclusion15 decks213 decks
3%synergy
Rite of Flame
6.6%inclusion14 decks213 decks
2%synergy
Unearth
5.6%inclusion12 decks213 decks
1%synergy
Insatiable Avarice
5.2%inclusion11 decks213 decks
1%synergy
Utility Artifacts
Teferi's Puzzle Box
24%inclusion52 decks213 decks
24%synergy
Lightning Greaves
23%inclusion50 decks213 decks
-12%synergy
Skullclamp
21%inclusion45 decks213 decks
11%synergy
Phyrexian Altar
18%inclusion39 decks213 decks
13%synergy
Thornbite Staff
15%inclusion33 decks213 decks
15%synergy
Reito Lantern
15%inclusion32 decks213 decks
15%synergy
Swiftfoot Boots
15%inclusion31 decks213 decks
-17%synergy
Nim Deathmantle
15%inclusion31 decks213 decks
14%synergy
Crystal Ball
14%inclusion30 decks213 decks
14%synergy
Cloak and Dagger
12%inclusion26 decks213 decks
12%synergy
Wishclaw Talisman
12%inclusion25 decks213 decks
6%synergy
Darksteel Pendant
12%inclusion25 decks213 decks
11%synergy
Soldevi Digger
12%inclusion25 decks213 decks
12%synergy
Desecrated Tomb
10%inclusion22 decks213 decks
10%synergy
The One Ring
8.5%inclusion18 decks213 decks
1%synergy
Illusionist's Bracers
7.5%inclusion16 decks213 decks
7%synergy
Conjurer's Bauble
7.0%inclusion15 decks213 decks
7%synergy
Sensei's Divining Top
6.6%inclusion14 decks213 decks
1%synergy
Bolas's Citadel
5.6%inclusion12 decks213 decks
-4%synergy
Defense Grid
5.2%inclusion11 decks213 decks
3%synergy
Goblin Charbelcher
5.2%inclusion11 decks213 decks
5%synergy
Altar of Dementia
5.2%inclusion11 decks213 decks
3%synergy
Enchantments
Goblin Bombardment
32%inclusion69 decks213 decks
23%synergy
Impact Tremors
24%inclusion51 decks213 decks
13%synergy
Mana Echoes
20%inclusion43 decks213 decks
20%synergy
Braid of Fire
17%inclusion36 decks213 decks
15%synergy
Necropotence
12%inclusion25 decks213 decks
6%synergy
Animate Dead
11%inclusion23 decks213 decks
1%synergy
Underworld Breach
8.9%inclusion19 decks213 decks
2%synergy
Phyrexian Arena
8.0%inclusion17 decks213 decks
-16%synergy
Mindmoil
7.0%inclusion15 decks213 decks
7%synergy
Blood Moon
6.1%inclusion13 decks213 decks
4%synergy
Thran Vigil
5.6%inclusion12 decks213 decks
5%synergy
Fires of Invention
5.6%inclusion12 decks213 decks
5%synergy
Chthonian Nightmare
5.6%inclusion12 decks213 decks
3%synergy
Boggart Mischief
5.4%inclusion6 decks112 decks
1%synergy
Shadows of the Past
5.2%inclusion11 decks213 decks
5%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
34%inclusion72 decks213 decks
15%synergy
Zhalfirin Void
33%inclusion71 decks213 decks
32%synergy
Phyrexian Tower
31%inclusion66 decks213 decks
20%synergy
Buried Ruin
30%inclusion63 decks213 decks
26%synergy
Vault of Whispers
27%inclusion58 decks213 decks
21%synergy
Great Furnace
27%inclusion58 decks213 decks
21%synergy
Bojuka Bog
21%inclusion45 decks213 decks
-14%synergy
Spinerock Knoll
15%inclusion31 decks213 decks
5%synergy
Cabal Coffers
14%inclusion30 decks213 decks
5%synergy
Takenuma, Abandoned Mire
13%inclusion28 decks213 decks
5%synergy
Inventors' Fair
13%inclusion27 decks213 decks
11%synergy
Urza's Saga
11%inclusion24 decks213 decks
5%synergy
Nykthos, Shrine to Nyx
11%inclusion23 decks213 decks
9%synergy
Drownyard Temple
8.0%inclusion17 decks213 decks
7%synergy
Three Tree City
8.0%inclusion17 decks213 decks
5%synergy
Temple of the False God
6.6%inclusion14 decks213 decks
-3%synergy
Darksteel Citadel
6.1%inclusion13 decks213 decks
2%synergy
Homeward Path
5.6%inclusion12 decks213 decks
5%synergy
Dakmor Salvage
5.6%inclusion12 decks213 decks
5%synergy
Castle Embereth
5.2%inclusion11 decks213 decks
3%synergy
Mana Artifacts
Sol Ring
89%inclusion190 decks213 decks
3%synergy
Arcane Signet
54%inclusion116 decks213 decks
-27%synergy
Rakdos Signet
47%inclusion100 decks213 decks
-11%synergy
Talisman of Indulgence
34%inclusion73 decks213 decks
-21%synergy
Thran Turbine
30%inclusion64 decks213 decks
29%synergy
Fellwar Stone
21%inclusion44 decks213 decks
-13%synergy
Lotus Petal
18%inclusion38 decks213 decks
10%synergy
Mox Amber
13%inclusion28 decks213 decks
9%synergy
Mox Opal
10%inclusion22 decks213 decks
6%synergy
Mox Diamond
10%inclusion21 decks213 decks
6%synergy
Mind Stone
8.9%inclusion19 decks213 decks
-19%synergy
Springleaf Drum
6.6%inclusion14 decks213 decks
4%synergy
Commander's Sphere
5.6%inclusion12 decks213 decks
-10%synergy
Lion's Eye Diamond
5.6%inclusion12 decks213 decks
3%synergy
Lands
Swamp
94%inclusion201 decks213 decks
-3%synergy
Mountain
92%inclusion197 decks213 decks
-5%synergy
Command Tower
90%inclusion192 decks213 decks
4%synergy
Blood Crypt
67%inclusion143 decks213 decks
20%synergy
Dragonskull Summit
61%inclusion130 decks213 decks
-3%synergy
Temple of Malice
55%inclusion118 decks213 decks
22%synergy
Sulfurous Springs
55%inclusion117 decks213 decks
7%synergy
Smoldering Marsh
51%inclusion109 decks213 decks
-12%synergy
Luxury Suite
51%inclusion108 decks213 decks
13%synergy
Bloodstained Mire
49%inclusion105 decks213 decks
16%synergy
Valakut Awakening
49%inclusion105 decks213 decks
42%synergy
Graven Cairns
46%inclusion99 decks213 decks
15%synergy
Boggart Trawler
37%inclusion78 decks213 decks
30%synergy
Path of Ancestry
37%inclusion78 decks213 decks
20%synergy
Foreboding Ruins
31%inclusion67 decks213 decks
-14%synergy
Blightstep Pathway
31%inclusion67 decks213 decks
9%synergy
Tainted Peak
31%inclusion65 decks213 decks
-13%synergy
Haunted Ridge
30%inclusion63 decks213 decks
-6%synergy
Shadowblood Ridge
28%inclusion60 decks213 decks
-7%synergy
Badlands
28%inclusion59 decks213 decks
14%synergy
Pinnacle Monk
27%inclusion57 decks213 decks
20%synergy
Rakdos Carnarium
26%inclusion55 decks213 decks
-5%synergy
Crystal Grotto
25%inclusion53 decks213 decks
24%synergy
Blazemire Verge
24%inclusion51 decks212 decks
-7%synergy
Blackcleave Cliffs
23%inclusion49 decks213 decks
3%synergy
Exotic Orchard
23%inclusion48 decks213 decks
-8%synergy
Raucous Theater
22%inclusion47 decks213 decks
0%synergy
Auntie's Hovel
20%inclusion42 decks213 decks
18%synergy
Cavern of Souls
19%inclusion40 decks213 decks
14%synergy
City of Brass
18%inclusion39 decks213 decks
12%synergy
Gemstone Caverns
18%inclusion39 decks213 decks
14%synergy
The Grey Havens
16%inclusion34 decks213 decks
15%synergy
Mana Confluence
15%inclusion32 decks213 decks
9%synergy
Marsh Flats
15%inclusion31 decks213 decks
7%synergy
Canyon Slough
14%inclusion30 decks213 decks
-6%synergy
Arid Mesa
14%inclusion30 decks213 decks
6%synergy
Polluted Delta
14%inclusion30 decks213 decks
6%synergy
Mount Doom
14%inclusion30 decks213 decks
-2%synergy
Wooded Foothills
13%inclusion27 decks213 decks
6%synergy
Agadeem's Awakening
12%inclusion26 decks213 decks
9%synergy
Scalding Tarn
12%inclusion26 decks213 decks
5%synergy
Malakir Rebirth
12%inclusion25 decks213 decks
-4%synergy
Rumble Arena
12%inclusion15 decks128 decks
11%synergy
Verdant Catacombs
10%inclusion22 decks213 decks
4%synergy
Opal Palace
10%inclusion22 decks213 decks
9%synergy
Fell the Profane
10%inclusion21 decks213 decks
-3%synergy
Secluded Courtyard
9.4%inclusion20 decks213 decks
7%synergy
Evolving Wilds
9.4%inclusion20 decks213 decks
-11%synergy
Prismatic Vista
8.0%inclusion17 decks213 decks
3%synergy
Bloodfell Caves
8.0%inclusion17 decks213 decks
-11%synergy
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