Grenzo, Dungeon Warden (Commander) - Optimized ETB

Grenzo, Dungeon Warden
Rank #543
2decks
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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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Creatures
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Ruthless Technomancer
100%inclusion2 decks2 decks
96%synergy
Meteor Golem
100%inclusion2 decks2 decks
98%synergy
Solemn Simulacrum
100%inclusion2 decks2 decks
81%synergy
Tomb Trawler
100%inclusion2 decks2 decks
99%synergy
Boggart Trawler
100%inclusion2 decks2 decks
93%synergy
Barkform Harvester
100%inclusion2 decks2 decks
99%synergy
Duplicant
100%inclusion2 decks2 decks
99%synergy
Blackbloom Rogue
100%inclusion2 decks2 decks
100%synergy
Illuminor Szeras
100%inclusion2 decks2 decks
99%synergy
Goblin Engineer
100%inclusion2 decks2 decks
96%synergy
Ogre Slumlord
50%inclusion1 decks2 decks
49%synergy
Zealous Conscripts
50%inclusion1 decks2 decks
48%synergy
Slobad, Goblin Tinkerer
50%inclusion1 decks2 decks
50%synergy
Furystoke Giant
50%inclusion1 decks2 decks
50%synergy
Pentavus
50%inclusion1 decks2 decks
50%synergy
Wreck Hunter
50%inclusion1 decks2 decks
50%synergy
Phyrexian Dragon Engine
50%inclusion1 decks2 decks
48%synergy
Reckless Fireweaver
50%inclusion1 decks2 decks
42%synergy
Mayhem Devil
50%inclusion1 decks2 decks
25%synergy
Ardent Electromancer
50%inclusion1 decks2 decks
50%synergy
Venerated Stormsinger
50%inclusion1 decks2 decks
49%synergy
Mahadi, Emporium Master
50%inclusion1 decks2 decks
37%synergy
Scrap Welder
50%inclusion1 decks2 decks
50%synergy
Grim Servant
50%inclusion1 decks2 decks
49%synergy
Prowling Geistcatcher
50%inclusion1 decks2 decks
49%synergy
Emrakul's Hatcher
50%inclusion1 decks2 decks
50%synergy
Young Necromancer
50%inclusion1 decks2 decks
50%synergy
Metallic Mimic
50%inclusion1 decks2 decks
48%synergy
Mishra, Claimed by Gix
50%inclusion1 decks2 decks
49%synergy
Undercity Scrounger
50%inclusion1 decks2 decks
49%synergy
Sly Requisitioner
50%inclusion1 decks2 decks
50%synergy
Ornithopter of Paradise
50%inclusion1 decks2 decks
46%synergy
Goblin Matron
50%inclusion1 decks2 decks
46%synergy
Gray Merchant of Asphodel
50%inclusion1 decks2 decks
40%synergy
Clockwork Dragon
50%inclusion1 decks2 decks
50%synergy
Woe Strider
50%inclusion1 decks2 decks
48%synergy
Overeager Apprentice
50%inclusion1 decks2 decks
50%synergy
Bronze Walrus
50%inclusion1 decks2 decks
50%synergy
Blood Artist
50%inclusion1 decks2 decks
32%synergy
Irreverent Gremlin
50%inclusion1 decks2 decks
50%synergy
Plaguecrafter
50%inclusion1 decks2 decks
46%synergy
Pit Automaton
50%inclusion1 decks2 decks
50%synergy
Murderous Rider
50%inclusion1 decks2 decks
49%synergy
Night Clubber
50%inclusion1 decks2 decks
50%synergy
Imperial Recruiter
50%inclusion1 decks2 decks
46%synergy
Mishra, Excavation Prodigy
50%inclusion1 decks2 decks
50%synergy
Grief
50%inclusion1 decks2 decks
49%synergy
Vile Entomber
50%inclusion1 decks2 decks
48%synergy
Psychomancer
50%inclusion1 decks2 decks
50%synergy
Refurbished Familiar
50%inclusion1 decks2 decks
49%synergy
Sorceries
Dread Return
50%inclusion1 decks2 decks
46%synergy
Utility Artifacts
Ashnod's Altar
100%inclusion2 decks2 decks
90%synergy
Heartstone
100%inclusion2 decks2 decks
98%synergy
Sword of the Meek
50%inclusion1 decks2 decks
50%synergy
Tel-Jilad Stylus
50%inclusion1 decks2 decks
49%synergy
Enchantments
Mana Echoes
50%inclusion1 decks2 decks
49%synergy
Utility Lands
Vault of Whispers
50%inclusion1 decks2 decks
44%synergy
Zhalfirin Void
50%inclusion1 decks2 decks
49%synergy
Buried Ruin
50%inclusion1 decks2 decks
47%synergy
Command Beacon
50%inclusion1 decks2 decks
44%synergy
Goblin Burrows
50%inclusion1 decks2 decks
50%synergy
Drownyard Temple
50%inclusion1 decks2 decks
49%synergy
Sokenzan, Crucible of Defiance
50%inclusion1 decks2 decks
46%synergy
Guildless Commons
50%inclusion1 decks2 decks
50%synergy
Great Furnace
50%inclusion1 decks2 decks
43%synergy
Mana Artifacts
Sol Ring
50%inclusion1 decks2 decks
-36%synergy
Thran Turbine
50%inclusion1 decks2 decks
49%synergy
Lands
Command Tower
100%inclusion2 decks2 decks
14%synergy
Rakdos Carnarium
100%inclusion2 decks2 decks
70%synergy
Blackbloom Rogue
100%inclusion2 decks2 decks
100%synergy
Swamp
100%inclusion2 decks2 decks
2%synergy
Boggart Trawler
100%inclusion2 decks2 decks
93%synergy
Mountain
100%inclusion2 decks2 decks
2%synergy
Sulfurous Springs
100%inclusion2 decks2 decks
52%synergy
Fabled Passage
50%inclusion1 decks2 decks
41%synergy
Shadowblood Ridge
50%inclusion1 decks2 decks
15%synergy
Terramorphic Expanse
50%inclusion1 decks2 decks
35%synergy
Myriad Landscape
50%inclusion1 decks2 decks
33%synergy
Drossforge Bridge
50%inclusion1 decks2 decks
44%synergy
Graven Cairns
50%inclusion1 decks2 decks
18%synergy
Unclaimed Territory
50%inclusion1 decks2 decks
47%synergy
Blackcleave Cliffs
50%inclusion1 decks2 decks
30%synergy
Dragonskull Summit
50%inclusion1 decks2 decks
-14%synergy
Grixis Panorama
50%inclusion1 decks2 decks
50%synergy
Temple of Malice
50%inclusion1 decks2 decks
18%synergy
Plaza of Heroes
50%inclusion1 decks2 decks
48%synergy
Guildmages' Forum
50%inclusion1 decks2 decks
50%synergy
Akoum Warrior
50%inclusion1 decks2 decks
49%synergy
Haunted Ridge
50%inclusion1 decks2 decks
14%synergy
Blightstep Pathway
50%inclusion1 decks2 decks
28%synergy
Jund Panorama
50%inclusion1 decks2 decks
50%synergy
Pinnacle Monk
50%inclusion1 decks2 decks
43%synergy
Hall of Tagsin
50%inclusion1 decks2 decks
50%synergy
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