Grenzo, Dungeon Warden (Commander) - Topdeck

Grenzo, Dungeon Warden
Rank #549
24decks
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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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Utility Lands
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Lands
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Great Fierce Bee
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Viscera Seer
88%inclusion21 decks24 decks
78%synergy
The Cauldron of Eternity
79%inclusion19 decks24 decks
78%synergy
Heartstone
79%inclusion19 decks24 decks
77%synergy
Bronze Walrus
71%inclusion17 decks24 decks
70%synergy
Hoverstone Pilgrim
71%inclusion17 decks24 decks
70%synergy
Tomb Trawler
71%inclusion17 decks24 decks
70%synergy
Barkform Harvester
67%inclusion16 decks24 decks
66%synergy
Zhalfirin Void
67%inclusion16 decks24 decks
66%synergy
Junktroller
63%inclusion15 decks24 decks
62%synergy
Palladium Myr
63%inclusion15 decks24 decks
61%synergy
Top Cards
Solemn Simulacrum
67%inclusion16 decks24 decks
48%synergy
Priest of Gix
63%inclusion15 decks24 decks
60%synergy
Priest of Urabrask
63%inclusion15 decks24 decks
61%synergy
Ashnod's Altar
63%inclusion15 decks24 decks
52%synergy
Workhorse
58%inclusion14 decks24 decks
58%synergy
Tel-Jilad Stylus
54%inclusion13 decks24 decks
53%synergy
Iron Myr
54%inclusion13 decks24 decks
52%synergy
Meteor Golem
54%inclusion13 decks24 decks
52%synergy
Kiki-Jiki, Mirror Breaker
50%inclusion12 decks24 decks
46%synergy
Woe Strider
50%inclusion12 decks24 decks
48%synergy
Game Changers
Ancient Tomb
17%inclusion4 decks24 decks
7%synergy
Jeska's Will
8.3%inclusion2 decks24 decks
-15%synergy
Demonic Tutor
8.3%inclusion2 decks24 decks
-10%synergy
Orcish Bowmasters
8.3%inclusion2 decks24 decks
-3%synergy
Creatures
Anger
50%inclusion12 decks24 decks
37%synergy
Leaden Myr
50%inclusion12 decks24 decks
48%synergy
Gray Merchant of Asphodel
46%inclusion11 decks24 decks
36%synergy
Clone Shell
46%inclusion11 decks24 decks
46%synergy
Siege-Gang Commander
46%inclusion11 decks24 decks
42%synergy
Epitaph Golem
46%inclusion11 decks24 decks
45%synergy
Ravenous Chupacabra
42%inclusion10 decks24 decks
40%synergy
Pitiless Plunderer
38%inclusion9 decks24 decks
25%synergy
Sling-Gang Lieutenant
38%inclusion9 decks24 decks
34%synergy
Murderous Redcap
38%inclusion9 decks24 decks
34%synergy
Warteye Witch
38%inclusion9 decks24 decks
37%synergy
Greedy Freebooter
33%inclusion8 decks24 decks
29%synergy
Goblin Engineer
33%inclusion8 decks24 decks
29%synergy
The Walls of Ba Sing Se
33%inclusion3 decks9 decks
33%synergy
Ornithopter of Paradise
33%inclusion8 decks24 decks
30%synergy
Phyrexian Vivisector
33%inclusion8 decks24 decks
33%synergy
Twilight Diviner
33%inclusion3 decks9 decks
32%synergy
Boggart Trawler
29%inclusion7 decks24 decks
22%synergy
Zealous Conscripts
29%inclusion7 decks24 decks
27%synergy
Pawn of Ulamog
29%inclusion7 decks24 decks
27%synergy
Zulaport Cutthroat
29%inclusion7 decks24 decks
21%synergy
Pit Automaton
27%inclusion4 decks15 decks
26%synergy
Chainer, Nightmare Adept
25%inclusion6 decks24 decks
18%synergy
Beetleback Chief
25%inclusion6 decks24 decks
24%synergy
Goblin Matron
25%inclusion6 decks24 decks
21%synergy
Skirk Prospector
25%inclusion6 decks24 decks
19%synergy
Mogg War Marshal
25%inclusion6 decks24 decks
23%synergy
Krenko, Mob Boss
25%inclusion6 decks24 decks
20%synergy
Nefarious Imp
25%inclusion6 decks24 decks
25%synergy
Alesha, Who Laughs at Fate
23%inclusion5 decks22 decks
19%synergy
Relic Retriever
22%inclusion2 decks9 decks
22%synergy
Big Mother Mouser
22%inclusion2 decks9 decks
22%synergy
Reckless Barbarian
21%inclusion5 decks24 decks
18%synergy
Malevolent Chandelier
21%inclusion5 decks24 decks
21%synergy
Duplicant
21%inclusion5 decks24 decks
20%synergy
Reito Sentinel
21%inclusion5 decks24 decks
21%synergy
Accursed Marauder
21%inclusion5 decks24 decks
16%synergy
Canal Dredger
21%inclusion5 decks24 decks
21%synergy
Threefold Thunderhulk
21%inclusion5 decks24 decks
20%synergy
Mad Auntie
21%inclusion5 decks24 decks
19%synergy
Siegfried, Famed Swordsman
18%inclusion2 decks11 decks
18%synergy
Chrome Companion
18%inclusion2 decks11 decks
18%synergy
Burnished Hart
17%inclusion4 decks24 decks
12%synergy
Treasonous Ogre
17%inclusion4 decks24 decks
14%synergy
Jaxis, the Troublemaker
17%inclusion4 decks24 decks
11%synergy
Goblin Chieftain
17%inclusion4 decks24 decks
14%synergy
Plaguecrafter
17%inclusion4 decks24 decks
12%synergy
Emrakul's Hatcher
17%inclusion4 decks24 decks
16%synergy
Mahadi, Emporium Master
17%inclusion4 decks24 decks
4%synergy
Syr Konrad, the Grim
17%inclusion4 decks24 decks
8%synergy
Instants
Volcanic Spite
42%inclusion10 decks24 decks
41%synergy
Fire Prophecy
38%inclusion9 decks24 decks
37%synergy
Valakut Awakening
33%inclusion8 decks24 decks
25%synergy
Terminate
29%inclusion7 decks24 decks
-10%synergy
Chaos Warp
25%inclusion6 decks24 decks
-22%synergy
Rakdos Charm
25%inclusion6 decks24 decks
-18%synergy
Dark Ritual
21%inclusion5 decks24 decks
-23%synergy
Jaya's Greeting
17%inclusion4 decks24 decks
17%synergy
Bedevil
17%inclusion4 decks24 decks
-17%synergy
Demon's Due
17%inclusion4 decks24 decks
16%synergy
Magma Jet
13%inclusion3 decks24 decks
12%synergy
Inordinate Rage
13%inclusion3 decks24 decks
12%synergy
Coming In Hot
13%inclusion3 decks24 decks
12%synergy
Withering Torment
13%inclusion3 decks24 decks
-9%synergy
Fell the Profane
8.3%inclusion2 decks24 decks
-5%synergy
Thrill of Possibility
8.3%inclusion2 decks24 decks
-10%synergy
Return the Favor
8.3%inclusion2 decks24 decks
0%synergy
Village Rites
8.3%inclusion2 decks24 decks
-7%synergy
Furious Bellow
8.3%inclusion2 decks24 decks
8%synergy
Poison the Cup
8.3%inclusion2 decks24 decks
8%synergy
Play with Fire
8.3%inclusion2 decks24 decks
8%synergy
Daring Escape
8.3%inclusion2 decks24 decks
8%synergy
Sorceries
Into the Fire
42%inclusion10 decks24 decks
41%synergy
Feed the Swarm
29%inclusion7 decks24 decks
-12%synergy
Read the Bones
29%inclusion7 decks24 decks
18%synergy
Blasphemous Act
21%inclusion5 decks24 decks
-31%synergy
Dread Return
17%inclusion4 decks24 decks
12%synergy
Vandalblast
17%inclusion4 decks24 decks
-13%synergy
Blasphemous Edict
14%inclusion3 decks22 decks
6%synergy
Faithless Looting
13%inclusion3 decks24 decks
-15%synergy
Blood Price
13%inclusion3 decks24 decks
12%synergy
Toxic Deluge
13%inclusion3 decks24 decks
-5%synergy
Sozin's Comet
11%inclusion1 decks9 decks
8%synergy
Villainous Wrath
10%inclusion1 decks10 decks
9%synergy
Diabolic Intent
8.3%inclusion2 decks24 decks
0%synergy
Diabolic Tutor
8.3%inclusion2 decks24 decks
3%synergy
Harsh Scrutiny
8.3%inclusion2 decks24 decks
8%synergy
Doomsday
8.3%inclusion2 decks24 decks
8%synergy
Introduction to Prophecy
8.3%inclusion2 decks24 decks
8%synergy
Reanimate
8.3%inclusion2 decks24 decks
-15%synergy
Bloodsoaked Insight
8.3%inclusion2 decks24 decks
-0%synergy
Dreadbore
8.3%inclusion2 decks24 decks
4%synergy
Bolt of Keranos
8.3%inclusion2 decks24 decks
8%synergy
Reckless Handling
8.3%inclusion2 decks24 decks
7%synergy
Utility Artifacts
Crystal Ball
42%inclusion10 decks24 decks
41%synergy
Darksteel Pendant
33%inclusion8 decks24 decks
33%synergy
Cloak and Dagger
29%inclusion7 decks24 decks
29%synergy
Reito Lantern
25%inclusion6 decks24 decks
25%synergy
Desecrated Tomb
21%inclusion5 decks24 decks
20%synergy
Teferi's Puzzle Box
21%inclusion5 decks24 decks
20%synergy
Swiftfoot Boots
21%inclusion5 decks24 decks
-10%synergy
Jar of Eyeballs
17%inclusion4 decks24 decks
17%synergy
Lightning Greaves
17%inclusion4 decks24 decks
-18%synergy
Illusionist's Bracers
13%inclusion3 decks24 decks
12%synergy
The Fire Crystal
9.1%inclusion1 decks11 decks
1%synergy
Treasure Map
8.3%inclusion2 decks24 decks
7%synergy
Moonsilver Key
8.3%inclusion2 decks24 decks
8%synergy
Conjurer's Bauble
8.3%inclusion2 decks24 decks
8%synergy
Skullclamp
8.3%inclusion2 decks24 decks
-2%synergy
Panharmonicon
8.3%inclusion2 decks24 decks
8%synergy
Mirror of Galadriel
8.3%inclusion2 decks24 decks
8%synergy
Palantír of Orthanc
8.3%inclusion2 decks24 decks
7%synergy
Phyrexian Altar
8.3%inclusion2 decks24 decks
3%synergy
Animation Module
8.3%inclusion2 decks24 decks
7%synergy
Soldevi Digger
8.3%inclusion2 decks24 decks
8%synergy
Hero's Blade
8.3%inclusion2 decks24 decks
8%synergy
Enchantments
Shadows of the Past
29%inclusion7 decks24 decks
29%synergy
Braid of Fire
21%inclusion5 decks24 decks
19%synergy
Impact Tremors
21%inclusion5 decks24 decks
10%synergy
Teval's Judgment
17%inclusion2 decks12 decks
16%synergy
Goblin Bombardment
17%inclusion4 decks24 decks
6%synergy
Fires of Invention
13%inclusion3 decks24 decks
12%synergy
Mindmoil
8.3%inclusion2 decks24 decks
8%synergy
All Will Be One
8.3%inclusion2 decks24 decks
5%synergy
Shared Animosity
8.3%inclusion2 decks24 decks
5%synergy
Black Market Connections
8.3%inclusion2 decks24 decks
-10%synergy
Utility Lands
Buried Ruin
38%inclusion9 decks24 decks
34%synergy
Bojuka Bog
29%inclusion7 decks24 decks
-7%synergy
Urborg, Tomb of Yawgmoth
29%inclusion7 decks24 decks
10%synergy
Vault of Whispers
17%inclusion4 decks24 decks
10%synergy
Great Furnace
17%inclusion4 decks24 decks
10%synergy
Dakmor Salvage
13%inclusion3 decks24 decks
12%synergy
Temple of the False God
13%inclusion3 decks24 decks
3%synergy
Fire Nation Palace
11%inclusion1 decks9 decks
7%synergy
Midgar, City of Mako
9.1%inclusion1 decks11 decks
3%synergy
Kavaron, Memorial World
9.1%inclusion1 decks11 decks
9%synergy
Pit of Offerings
8.3%inclusion2 decks24 decks
8%synergy
Phyrexian Tower
8.3%inclusion2 decks24 decks
-3%synergy
Urza's Saga
8.3%inclusion2 decks24 decks
2%synergy
Geier Reach Sanitarium
8.3%inclusion2 decks24 decks
3%synergy
Darksteel Citadel
8.3%inclusion2 decks24 decks
4%synergy
Great Hall of the Citadel
8.3%inclusion2 decks24 decks
8%synergy
Rogue's Passage
8.3%inclusion2 decks24 decks
-11%synergy
Mana Artifacts
Sol Ring
79%inclusion19 decks24 decks
-7%synergy
Arcane Signet
54%inclusion13 decks24 decks
-28%synergy
Thran Turbine
42%inclusion10 decks24 decks
41%synergy
Talisman of Indulgence
29%inclusion7 decks24 decks
-26%synergy
Rakdos Signet
29%inclusion7 decks24 decks
-27%synergy
Seer's Lantern
25%inclusion6 decks24 decks
25%synergy
Fellwar Stone
21%inclusion5 decks24 decks
-12%synergy
Bender's Waterskin
18%inclusion2 decks11 decks
15%synergy
Lantern of Revealing
13%inclusion3 decks24 decks
12%synergy
Vessel of Endless Rest
13%inclusion3 decks24 decks
12%synergy
Mind Stone
13%inclusion3 decks24 decks
-14%synergy
Thought Vessel
8.3%inclusion2 decks24 decks
-10%synergy
Thran Dynamo
8.3%inclusion2 decks24 decks
4%synergy
Lands
Swamp
100%inclusion24 decks24 decks
2%synergy
Mountain
96%inclusion23 decks24 decks
-2%synergy
Command Tower
92%inclusion22 decks24 decks
6%synergy
Temple of Malice
88%inclusion21 decks24 decks
56%synergy
Smoldering Marsh
63%inclusion15 decks24 decks
-1%synergy
Dragonskull Summit
54%inclusion13 decks24 decks
-11%synergy
Crystal Grotto
54%inclusion13 decks24 decks
54%synergy
The Grey Havens
50%inclusion12 decks24 decks
49%synergy
Rakdos Carnarium
42%inclusion10 decks24 decks
12%synergy
Shadowblood Ridge
42%inclusion10 decks24 decks
7%synergy
Graven Cairns
42%inclusion10 decks24 decks
9%synergy
Path of Ancestry
42%inclusion10 decks24 decks
25%synergy
Sulfurous Springs
42%inclusion10 decks24 decks
-7%synergy
Blood Crypt
38%inclusion9 decks24 decks
-11%synergy
Luxury Suite
38%inclusion9 decks24 decks
-1%synergy
Foreboding Ruins
33%inclusion8 decks24 decks
-12%synergy
Valakut Awakening
33%inclusion8 decks24 decks
25%synergy
Rumble Arena
33%inclusion3 decks9 decks
33%synergy
Blackcleave Cliffs
29%inclusion7 decks24 decks
9%synergy
Boggart Trawler
29%inclusion7 decks24 decks
22%synergy
Blazemire Verge
29%inclusion7 decks24 decks
-3%synergy
Tainted Peak
29%inclusion7 decks24 decks
-14%synergy
Haunted Ridge
29%inclusion7 decks24 decks
-7%synergy
Blightstep Pathway
29%inclusion7 decks24 decks
7%synergy
Bloodstained Mire
29%inclusion7 decks24 decks
-4%synergy
Study Hall
25%inclusion6 decks24 decks
25%synergy
Raucous Theater
17%inclusion4 decks24 decks
-5%synergy
Badlands
17%inclusion4 decks24 decks
3%synergy
Opal Palace
17%inclusion4 decks24 decks
15%synergy
Pinnacle Monk
17%inclusion4 decks24 decks
9%synergy
Dark Fortress
17%inclusion1 decks6 decks
6%synergy
Canyon Slough
13%inclusion3 decks24 decks
-7%synergy
Myriad Landscape
13%inclusion3 decks24 decks
-4%synergy
Exotic Orchard
13%inclusion3 decks24 decks
-18%synergy
Bloodfell Caves
13%inclusion3 decks24 decks
-6%synergy
Evolving Wilds
13%inclusion3 decks24 decks
-8%synergy
Geothermal Bog
13%inclusion3 decks24 decks
4%synergy
Starting Town
9.1%inclusion1 decks11 decks
7%synergy
Fell the Profane
8.3%inclusion2 decks24 decks
-5%synergy
Terramorphic Expanse
8.3%inclusion2 decks24 decks
-6%synergy
Blackbloom Rogue
8.3%inclusion2 decks24 decks
8%synergy
Rakdos Guildgate
8.3%inclusion2 decks24 decks
2%synergy
Ash Barrens
8.3%inclusion2 decks24 decks
1%synergy
Sulfurous Mire
8.3%inclusion2 decks24 decks
5%synergy
Rocky Tar Pit
8.3%inclusion2 decks24 decks
6%synergy
Demolition Field
8.3%inclusion2 decks24 decks
6%synergy
Mount Doom
8.3%inclusion2 decks24 decks
-8%synergy
Bloodsoaked Insight
8.3%inclusion2 decks24 decks
-0%synergy
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