Grenzo, Dungeon Warden (Commander) - Midrange

Grenzo, Dungeon Warden
Rank #549
21decks
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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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Instants
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Enchantments
Utility Lands
Mana Artifacts
Lands
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The Great Goblin
40%inclusion2 decks5 decks
38%synergy
Azog, Moria's Ruin
20%inclusion1 decks5 decks
13%synergy
Stone-Giant of High Pass
20%inclusion1 decks5 decks
19%synergy
Goblin-town Flunkies
20%inclusion1 decks5 decks
15%synergy
Stony-Voiced Goblins
20%inclusion1 decks5 decks
18%synergy
High Synergy Cards
Heartstone
71%inclusion15 decks21 decks
69%synergy
Hoverstone Pilgrim
62%inclusion13 decks21 decks
61%synergy
Tomb Trawler
62%inclusion13 decks21 decks
61%synergy
Barkform Harvester
62%inclusion13 decks21 decks
61%synergy
The Cauldron of Eternity
57%inclusion12 decks21 decks
56%synergy
Siege-Gang Commander
52%inclusion11 decks21 decks
49%synergy
Sling-Gang Lieutenant
52%inclusion11 decks21 decks
49%synergy
Viscera Seer
57%inclusion12 decks21 decks
48%synergy
Junktroller
48%inclusion10 decks21 decks
47%synergy
Tel-Jilad Stylus
48%inclusion10 decks21 decks
47%synergy
Top Cards
Ashnod's Altar
52%inclusion11 decks21 decks
42%synergy
Kiki-Jiki, Mirror Breaker
48%inclusion10 decks21 decks
43%synergy
Chainer, Nightmare Adept
48%inclusion10 decks21 decks
40%synergy
Krenko, Mob Boss
43%inclusion9 decks21 decks
38%synergy
Priest of Gix
43%inclusion9 decks21 decks
41%synergy
Zulaport Cutthroat
43%inclusion9 decks21 decks
35%synergy
Goblin Engineer
43%inclusion9 decks21 decks
39%synergy
Ravenous Chupacabra
43%inclusion9 decks21 decks
41%synergy
Bronze Walrus
43%inclusion9 decks21 decks
42%synergy
Solemn Simulacrum
43%inclusion9 decks21 decks
25%synergy
Game Changers
Ancient Tomb
29%inclusion6 decks21 decks
19%synergy
Demonic Tutor
14%inclusion3 decks21 decks
-4%synergy
Gamble
14%inclusion3 decks21 decks
5%synergy
Vampiric Tutor
14%inclusion3 decks21 decks
1%synergy
Jeska's Will
10%inclusion2 decks21 decks
-14%synergy
Imperial Seal
10%inclusion2 decks21 decks
5%synergy
Mana Vault
10%inclusion2 decks21 decks
4%synergy
Orcish Bowmasters
10%inclusion2 decks21 decks
-1%synergy
Chrome Mox
10%inclusion2 decks21 decks
4%synergy
Mox Diamond
10%inclusion2 decks21 decks
6%synergy
Creatures
Priest of Urabrask
43%inclusion9 decks21 decks
41%synergy
Woe Strider
38%inclusion8 decks21 decks
36%synergy
Boggart Trawler
38%inclusion8 decks21 decks
31%synergy
Goblin Trashmaster
38%inclusion8 decks21 decks
36%synergy
Pitiless Plunderer
38%inclusion8 decks21 decks
25%synergy
Goblin Matron
38%inclusion8 decks21 decks
34%synergy
Skirk Prospector
33%inclusion7 decks21 decks
28%synergy
Warren Soultrader
33%inclusion7 decks21 decks
25%synergy
Pashalik Mons
33%inclusion7 decks21 decks
31%synergy
Epitaph Golem
33%inclusion7 decks21 decks
33%synergy
Goblin Welder
33%inclusion7 decks21 decks
31%synergy
Palladium Myr
33%inclusion7 decks21 decks
32%synergy
Goblin Chieftain
33%inclusion7 decks21 decks
31%synergy
Twilight Diviner
31%inclusion4 decks13 decks
29%synergy
Beetleback Chief
29%inclusion6 decks21 decks
27%synergy
Zealous Conscripts
29%inclusion6 decks21 decks
27%synergy
Conspicuous Snoop
29%inclusion6 decks21 decks
26%synergy
Reito Sentinel
29%inclusion6 decks21 decks
28%synergy
Mad Auntie
29%inclusion6 decks21 decks
26%synergy
Murderous Redcap
29%inclusion6 decks21 decks
25%synergy
Blood Artist
29%inclusion6 decks21 decks
10%synergy
Meteor Golem
29%inclusion6 decks21 decks
26%synergy
Munitions Expert
29%inclusion6 decks21 decks
26%synergy
Treasonous Ogre
29%inclusion6 decks21 decks
26%synergy
Goblin Warchief
29%inclusion6 decks21 decks
25%synergy
Iron Myr
24%inclusion5 decks21 decks
22%synergy
Warteye Witch
24%inclusion5 decks21 decks
23%synergy
Ornithopter of Paradise
24%inclusion5 decks21 decks
20%synergy
Gray Merchant of Asphodel
24%inclusion5 decks21 decks
14%synergy
Goblin Recruiter
24%inclusion5 decks21 decks
22%synergy
Metallic Mimic
24%inclusion5 decks21 decks
21%synergy
Mogg War Marshal
24%inclusion5 decks21 decks
21%synergy
Pinnacle Monk
24%inclusion5 decks21 decks
17%synergy
Workhorse
24%inclusion5 decks21 decks
23%synergy
Relic Retriever
22%inclusion2 decks9 decks
22%synergy
Bolg's Company
20%inclusion1 decks5 decks
13%synergy
Pit Automaton
20%inclusion4 decks20 decks
20%synergy
Canal Dredger
19%inclusion4 decks21 decks
19%synergy
Crypt Ghast
19%inclusion4 decks21 decks
17%synergy
Clone Shell
19%inclusion4 decks21 decks
19%synergy
Grenzo, Havoc Raiser
19%inclusion4 decks21 decks
16%synergy
Wort, Boggart Auntie
19%inclusion4 decks21 decks
18%synergy
Boggart Harbinger
19%inclusion4 decks21 decks
17%synergy
Imperial Recruiter
19%inclusion4 decks21 decks
15%synergy
Hobgoblin Bandit Lord
19%inclusion4 decks21 decks
18%synergy
Burnished Hart
19%inclusion4 decks21 decks
15%synergy
Priest of Forgotten Gods
19%inclusion4 decks21 decks
17%synergy
Emrakul's Hatcher
19%inclusion4 decks21 decks
19%synergy
Rundvelt Hordemaster
19%inclusion4 decks21 decks
18%synergy
Murderous Rider
19%inclusion4 decks21 decks
18%synergy
Instants
Valakut Awakening
52%inclusion11 decks21 decks
45%synergy
Chaos Warp
38%inclusion8 decks21 decks
-9%synergy
Volcanic Spite
38%inclusion8 decks21 decks
38%synergy
Fire Prophecy
38%inclusion8 decks21 decks
37%synergy
Dark Ritual
29%inclusion6 decks21 decks
-15%synergy
Tibalt's Trickery
19%inclusion4 decks21 decks
6%synergy
Pyretic Ritual
19%inclusion4 decks21 decks
13%synergy
Fell the Profane
14%inclusion3 decks21 decks
1%synergy
Thrill of Possibility
14%inclusion3 decks21 decks
-4%synergy
Entomb
14%inclusion3 decks21 decks
8%synergy
Culling the Weak
14%inclusion3 decks21 decks
8%synergy
Red Elemental Blast
14%inclusion3 decks21 decks
6%synergy
Pyroblast
14%inclusion3 decks21 decks
6%synergy
Withering Torment
14%inclusion3 decks21 decks
-7%synergy
Deadly Rollick
10%inclusion2 decks21 decks
-13%synergy
Desperate Ritual
10%inclusion2 decks21 decks
5%synergy
Village Rites
10%inclusion2 decks21 decks
-6%synergy
Lightning Bolt
10%inclusion2 decks21 decks
-9%synergy
Cabal Ritual
10%inclusion2 decks21 decks
1%synergy
Burnt Offering
10%inclusion2 decks21 decks
4%synergy
Deflecting Swat
10%inclusion2 decks21 decks
-12%synergy
Bedevil
10%inclusion2 decks21 decks
-24%synergy
Electric Revelation
10%inclusion2 decks21 decks
9%synergy
Saw in Half
10%inclusion2 decks21 decks
-2%synergy
Cathartic Pyre
10%inclusion2 decks21 decks
8%synergy
Abrade
10%inclusion2 decks21 decks
-12%synergy
Manhole Missile
8.3%inclusion1 decks12 decks
8%synergy
Redirect Lightning
6.3%inclusion1 decks16 decks
-4%synergy
Archenemy's Charm
5.3%inclusion1 decks19 decks
4%synergy
Laughing Mad
5.0%inclusion1 decks20 decks
1%synergy
Sorceries
Feed the Swarm
33%inclusion7 decks21 decks
-7%synergy
Blasphemous Act
33%inclusion7 decks21 decks
-18%synergy
Faithless Looting
24%inclusion5 decks21 decks
-3%synergy
Read the Bones
24%inclusion5 decks21 decks
12%synergy
Mana Geyser
19%inclusion4 decks21 decks
6%synergy
Into the Fire
19%inclusion4 decks21 decks
18%synergy
Vandalblast
14%inclusion3 decks21 decks
-16%synergy
Sinister Waltz
14%inclusion3 decks21 decks
13%synergy
Agadeem's Awakening
14%inclusion3 decks21 decks
11%synergy
Doomsday
14%inclusion3 decks21 decks
14%synergy
Blood Price
14%inclusion3 decks21 decks
14%synergy
Living Death
14%inclusion3 decks21 decks
10%synergy
Reanimate
14%inclusion3 decks21 decks
-9%synergy
Toxic Deluge
14%inclusion3 decks21 decks
-3%synergy
Sundering Eruption
14%inclusion3 decks21 decks
9%synergy
Lively Dirge
10%inclusion2 decks21 decks
7%synergy
Cathartic Reunion
10%inclusion2 decks21 decks
4%synergy
Diabolic Tutor
10%inclusion2 decks21 decks
4%synergy
Victimize
10%inclusion2 decks21 decks
-5%synergy
Dread Return
10%inclusion2 decks21 decks
5%synergy
Buried Alive
10%inclusion2 decks21 decks
5%synergy
Rite of Flame
10%inclusion2 decks21 decks
5%synergy
Damnation
10%inclusion2 decks21 decks
3%synergy
Utility Artifacts
Crystal Ball
33%inclusion7 decks21 decks
33%synergy
Reito Lantern
33%inclusion7 decks21 decks
33%synergy
Desecrated Tomb
24%inclusion5 decks21 decks
23%synergy
Darksteel Pendant
24%inclusion5 decks21 decks
24%synergy
Phyrexian Altar
24%inclusion5 decks21 decks
18%synergy
Lightning Greaves
24%inclusion5 decks21 decks
-11%synergy
Teferi's Puzzle Box
19%inclusion4 decks21 decks
18%synergy
Cloak and Dagger
19%inclusion4 decks21 decks
19%synergy
Jar of Eyeballs
14%inclusion3 decks21 decks
14%synergy
Skullclamp
14%inclusion3 decks21 decks
4%synergy
Mazemind Tome
14%inclusion3 decks21 decks
14%synergy
Soldevi Digger
14%inclusion3 decks21 decks
14%synergy
Illusionist's Bracers
10%inclusion2 decks21 decks
9%synergy
Palantír of Orthanc
10%inclusion2 decks21 decks
8%synergy
Agatha's Soul Cauldron
10%inclusion2 decks21 decks
8%synergy
Swiftfoot Boots
10%inclusion2 decks21 decks
-22%synergy
Goblin Charbelcher
10%inclusion2 decks21 decks
9%synergy
Thornbite Staff
10%inclusion2 decks21 decks
9%synergy
Aether Vial
10%inclusion2 decks21 decks
9%synergy
Planetarium of Wan Shi Tong
7.1%inclusion1 decks14 decks
7%synergy
Enchantments
Braid of Fire
29%inclusion6 decks21 decks
27%synergy
Goblin Bombardment
29%inclusion6 decks21 decks
18%synergy
Impact Tremors
24%inclusion5 decks21 decks
13%synergy
Thran Vigil
19%inclusion4 decks21 decks
18%synergy
Boggart Mischief
15%inclusion2 decks13 decks
10%synergy
Teval's Judgment
15%inclusion3 decks20 decks
14%synergy
Fires of Invention
14%inclusion3 decks21 decks
14%synergy
Mindmoil
14%inclusion3 decks21 decks
14%synergy
Shadows of the Past
14%inclusion3 decks21 decks
14%synergy
Animate Dead
14%inclusion3 decks21 decks
5%synergy
Utility Lands
Zhalfirin Void
43%inclusion9 decks21 decks
42%synergy
Bojuka Bog
38%inclusion8 decks21 decks
2%synergy
Urborg, Tomb of Yawgmoth
38%inclusion8 decks21 decks
19%synergy
Phyrexian Tower
33%inclusion7 decks21 decks
22%synergy
Great Furnace
29%inclusion6 decks21 decks
22%synergy
Buried Ruin
24%inclusion5 decks21 decks
20%synergy
Vault of Whispers
19%inclusion4 decks21 decks
13%synergy
Isolated Watchtower
19%inclusion4 decks21 decks
19%synergy
Den of the Bugbear
19%inclusion4 decks21 decks
17%synergy
Urza's Saga
14%inclusion3 decks21 decks
8%synergy
Command Beacon
14%inclusion3 decks21 decks
8%synergy
Nykthos, Shrine to Nyx
14%inclusion3 decks21 decks
12%synergy
High Market
14%inclusion3 decks21 decks
10%synergy
Takenuma, Abandoned Mire
14%inclusion3 decks21 decks
6%synergy
Drownyard Temple
14%inclusion3 decks21 decks
13%synergy
Three Tree City
14%inclusion3 decks21 decks
11%synergy
Guildless Commons
14%inclusion3 decks21 decks
14%synergy
Hanweir Battlements
10%inclusion2 decks21 decks
8%synergy
Arid Archway
10%inclusion2 decks21 decks
9%synergy
Inventors' Fair
10%inclusion2 decks21 decks
8%synergy
Temple of the False God
10%inclusion2 decks21 decks
0%synergy
Fire Nation Palace
7.7%inclusion1 decks13 decks
3%synergy
Mana Artifacts
Sol Ring
86%inclusion18 decks21 decks
-0%synergy
Arcane Signet
43%inclusion9 decks21 decks
-39%synergy
Thran Turbine
38%inclusion8 decks21 decks
37%synergy
Talisman of Indulgence
19%inclusion4 decks21 decks
-36%synergy
Rakdos Signet
19%inclusion4 decks21 decks
-37%synergy
Fellwar Stone
14%inclusion3 decks21 decks
-19%synergy
Lotus Petal
10%inclusion2 decks21 decks
2%synergy
Mox Opal
10%inclusion2 decks21 decks
5%synergy
Lands
Swamp
100%inclusion21 decks21 decks
2%synergy
Mountain
95%inclusion20 decks21 decks
-2%synergy
Command Tower
81%inclusion17 decks21 decks
-5%synergy
Sulfurous Springs
81%inclusion17 decks21 decks
32%synergy
Dragonskull Summit
71%inclusion15 decks21 decks
7%synergy
Blood Crypt
67%inclusion14 decks21 decks
18%synergy
Blightstep Pathway
62%inclusion13 decks21 decks
40%synergy
Graven Cairns
57%inclusion12 decks21 decks
25%synergy
Luxury Suite
57%inclusion12 decks21 decks
18%synergy
Blazemire Verge
52%inclusion11 decks21 decks
21%synergy
Valakut Awakening
52%inclusion11 decks21 decks
45%synergy
Smoldering Marsh
48%inclusion10 decks21 decks
-16%synergy
Temple of Malice
48%inclusion10 decks21 decks
16%synergy
Raucous Theater
38%inclusion8 decks21 decks
16%synergy
Boggart Trawler
38%inclusion8 decks21 decks
31%synergy
Crystal Grotto
38%inclusion8 decks21 decks
37%synergy
Bloodstained Mire
38%inclusion8 decks21 decks
4%synergy
Shadowblood Ridge
33%inclusion7 decks21 decks
-1%synergy
Exotic Orchard
33%inclusion7 decks21 decks
2%synergy
Cavern of Souls
33%inclusion7 decks21 decks
28%synergy
The Grey Havens
33%inclusion7 decks21 decks
33%synergy
Path of Ancestry
33%inclusion7 decks21 decks
17%synergy
Haunted Ridge
33%inclusion7 decks21 decks
-3%synergy
Rakdos Carnarium
24%inclusion5 decks21 decks
-6%synergy
Foreboding Ruins
24%inclusion5 decks21 decks
-22%synergy
Tainted Peak
24%inclusion5 decks21 decks
-20%synergy
Pinnacle Monk
24%inclusion5 decks21 decks
17%synergy
Auntie's Hovel
19%inclusion4 decks21 decks
17%synergy
Myriad Landscape
19%inclusion4 decks21 decks
3%synergy
Blackcleave Cliffs
19%inclusion4 decks21 decks
-1%synergy
Evolving Wilds
19%inclusion4 decks21 decks
-1%synergy
Rumble Arena
15%inclusion2 decks13 decks
15%synergy
Fell the Profane
14%inclusion3 decks21 decks
1%synergy
Badlands
14%inclusion3 decks21 decks
1%synergy
Terramorphic Expanse
14%inclusion3 decks21 decks
-1%synergy
Blackbloom Rogue
14%inclusion3 decks21 decks
14%synergy
Agadeem's Awakening
14%inclusion3 decks21 decks
11%synergy
Maestros Theater
14%inclusion3 decks21 decks
12%synergy
Opal Palace
14%inclusion3 decks21 decks
13%synergy
Sundering Eruption
14%inclusion3 decks21 decks
9%synergy
Drossforge Bridge
10%inclusion2 decks21 decks
4%synergy
Riveteers Overlook
10%inclusion2 decks21 decks
8%synergy
Unclaimed Territory
10%inclusion2 decks21 decks
6%synergy
Bloodfell Caves
10%inclusion2 decks21 decks
-9%synergy
Reflecting Pool
10%inclusion2 decks21 decks
6%synergy
Secluded Courtyard
10%inclusion2 decks21 decks
7%synergy
Gemstone Caverns
10%inclusion2 decks21 decks
5%synergy
Arid Mesa
10%inclusion2 decks21 decks
1%synergy
City of Brass
10%inclusion2 decks21 decks
3%synergy
Eclipsed Realms
7.7%inclusion1 decks13 decks
5%synergy
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