Grenzo, Dungeon Warden (Commander) - Core ETB

Grenzo, Dungeon Warden
Rank #543
3decks
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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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Ravenous Chupacabra
100%inclusion3 decks3 decks
98%synergy
Kiki-Jiki, Mirror Breaker
67%inclusion2 decks3 decks
62%synergy
Barkform Harvester
67%inclusion2 decks3 decks
66%synergy
Priest of Urabrask
67%inclusion2 decks3 decks
65%synergy
Palladium Myr
67%inclusion2 decks3 decks
65%synergy
Crypt Ghast
67%inclusion2 decks3 decks
64%synergy
Canal Dredger
67%inclusion2 decks3 decks
66%synergy
Mad Auntie
67%inclusion2 decks3 decks
64%synergy
Gray Merchant of Asphodel
67%inclusion2 decks3 decks
56%synergy
Duplicant
67%inclusion2 decks3 decks
66%synergy
Priest of Gix
67%inclusion2 decks3 decks
65%synergy
Tomb Trawler
67%inclusion2 decks3 decks
66%synergy
Meteor Golem
67%inclusion2 decks3 decks
64%synergy
Junktroller
67%inclusion2 decks3 decks
66%synergy
Flayer of the Hatebound
67%inclusion2 decks3 decks
65%synergy
Rapacious Dragon
67%inclusion2 decks3 decks
66%synergy
Hoverstone Pilgrim
67%inclusion2 decks3 decks
66%synergy
Umbral Collar Zealot
50%inclusion1 decks2 decks
47%synergy
Faller's Faithful
50%inclusion1 decks2 decks
50%synergy
Doomed Necromancer
33%inclusion1 decks3 decks
32%synergy
Syr Konrad, the Grim
33%inclusion1 decks3 decks
25%synergy
Tree of Perdition
33%inclusion1 decks3 decks
33%synergy
Hedron Crawler
33%inclusion1 decks3 decks
33%synergy
Clockwork Dragon
33%inclusion1 decks3 decks
33%synergy
Crashing Drawbridge
33%inclusion1 decks3 decks
33%synergy
Furystoke Giant
33%inclusion1 decks3 decks
33%synergy
Morbid Opportunist
33%inclusion1 decks3 decks
18%synergy
Shrieking Mogg
33%inclusion1 decks3 decks
33%synergy
Savage Firecat
33%inclusion1 decks3 decks
33%synergy
Doom Weaver
33%inclusion1 decks3 decks
33%synergy
Orthion, Hero of Lavabrink
33%inclusion1 decks3 decks
29%synergy
Plague Myr
33%inclusion1 decks3 decks
33%synergy
Guiltfeeder
33%inclusion1 decks3 decks
33%synergy
Demon of Wailing Agonies
33%inclusion1 decks3 decks
33%synergy
Plaguecrafter
33%inclusion1 decks3 decks
29%synergy
Angrath's Marauders
33%inclusion1 decks3 decks
31%synergy
Mindclaw Shaman
33%inclusion1 decks3 decks
33%synergy
Cavalier of Night
33%inclusion1 decks3 decks
33%synergy
Deathbringer Thoctar
33%inclusion1 decks3 decks
33%synergy
Magus of the Coffers
33%inclusion1 decks3 decks
33%synergy
Mephitic Ooze
33%inclusion1 decks3 decks
33%synergy
Hell's Caretaker
33%inclusion1 decks3 decks
33%synergy
Summoner's Egg
33%inclusion1 decks3 decks
33%synergy
Blood Artist
33%inclusion1 decks3 decks
15%synergy
Emrakul's Hatcher
33%inclusion1 decks3 decks
33%synergy
Twinflame Tyrant
33%inclusion1 decks3 decks
29%synergy
Zealous Conscripts
33%inclusion1 decks3 decks
31%synergy
Pentavus
33%inclusion1 decks3 decks
33%synergy
Metamorphosis Fanatic
33%inclusion1 decks3 decks
33%synergy
Solemn Simulacrum
33%inclusion1 decks3 decks
14%synergy
Instants
Valakut Awakening
33%inclusion1 decks3 decks
25%synergy
Sorceries
Living Death
67%inclusion2 decks3 decks
63%synergy
Mana Geyser
33%inclusion1 decks3 decks
20%synergy
Into the Fire
33%inclusion1 decks3 decks
32%synergy
Utility Artifacts
Heartstone
100%inclusion3 decks3 decks
98%synergy
Tel-Jilad Stylus
67%inclusion2 decks3 decks
66%synergy
Illusionist's Bracers
33%inclusion1 decks3 decks
33%synergy
Teferi's Puzzle Box
33%inclusion1 decks3 decks
33%synergy
Cloak and Dagger
33%inclusion1 decks3 decks
33%synergy
Whispersilk Cloak
33%inclusion1 decks3 decks
29%synergy
The Cauldron of Eternity
33%inclusion1 decks3 decks
32%synergy
Champion's Helm
33%inclusion1 decks3 decks
32%synergy
Swiftfoot Boots
33%inclusion1 decks3 decks
2%synergy
Lightning Greaves
33%inclusion1 decks3 decks
-2%synergy
Hammer of Nazahn
33%inclusion1 decks3 decks
33%synergy
Enchantments
Consecrated by Blood
33%inclusion1 decks3 decks
33%synergy
Dark Privilege
33%inclusion1 decks3 decks
33%synergy
Soul Channeling
33%inclusion1 decks3 decks
33%synergy
Braid of Fire
33%inclusion1 decks3 decks
31%synergy
Skeletal Grimace
33%inclusion1 decks3 decks
33%synergy
Utility Lands
Zhalfirin Void
100%inclusion3 decks3 decks
99%synergy
Phyrexian Tower
67%inclusion2 decks3 decks
56%synergy
Buried Ruin
33%inclusion1 decks3 decks
30%synergy
Crystal Vein
33%inclusion1 decks3 decks
33%synergy
Spinerock Knoll
33%inclusion1 decks3 decks
24%synergy
Nykthos, Shrine to Nyx
33%inclusion1 decks3 decks
32%synergy
Rogue's Passage
33%inclusion1 decks3 decks
14%synergy
Mana Artifacts
Talisman of Indulgence
33%inclusion1 decks3 decks
-22%synergy
Sol Ring
33%inclusion1 decks3 decks
-53%synergy
Lands
Swamp
100%inclusion3 decks3 decks
2%synergy
Temple of Malice
100%inclusion3 decks3 decks
68%synergy
The Grey Havens
100%inclusion3 decks3 decks
99%synergy
Mountain
100%inclusion3 decks3 decks
2%synergy
Path of Ancestry
100%inclusion3 decks3 decks
84%synergy
Crystal Grotto
100%inclusion3 decks3 decks
99%synergy
Command Tower
67%inclusion2 decks3 decks
-19%synergy
Rakdos Carnarium
33%inclusion1 decks3 decks
3%synergy
Badlands
33%inclusion1 decks3 decks
20%synergy
Shadowblood Ridge
33%inclusion1 decks3 decks
-2%synergy
Canyon Slough
33%inclusion1 decks3 decks
14%synergy
Blood Crypt
33%inclusion1 decks3 decks
-14%synergy
Graven Cairns
33%inclusion1 decks3 decks
1%synergy
Blackcleave Cliffs
33%inclusion1 decks3 decks
13%synergy
Dragonskull Summit
33%inclusion1 decks3 decks
-31%synergy
Verdant Catacombs
33%inclusion1 decks3 decks
27%synergy
Luxury Suite
33%inclusion1 decks3 decks
-5%synergy
Rocky Tar Pit
33%inclusion1 decks3 decks
31%synergy
Opal Palace
33%inclusion1 decks3 decks
32%synergy
Tainted Peak
33%inclusion1 decks3 decks
-10%synergy
Haunted Ridge
33%inclusion1 decks3 decks
-3%synergy
Blightstep Pathway
33%inclusion1 decks3 decks
11%synergy
Study Hall
33%inclusion1 decks3 decks
33%synergy
Polluted Delta
33%inclusion1 decks3 decks
25%synergy
Sulfurous Springs
33%inclusion1 decks3 decks
-15%synergy
Bloodstained Mire
33%inclusion1 decks3 decks
-0%synergy
Valakut Awakening
33%inclusion1 decks3 decks
25%synergy
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