Grenzo, Dungeon Warden (Commander) - Expensive Relentless Rats

Grenzo, Dungeon Warden
Rank #551
3decks
As CommanderAs CardAverage DeckDecks
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All12345
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Any$$$$
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
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Jeska's Will
67%inclusion2 decks3 decks
43%synergy
Ancient Tomb
67%inclusion2 decks3 decks
57%synergy
The One Ring
33%inclusion1 decks3 decks
26%synergy
Creatures
Relentless Rats
100%inclusion3 decks3 decks
100%synergy
Crypt Ghast
100%inclusion3 decks3 decks
97%synergy
Gray Merchant of Asphodel
67%inclusion2 decks3 decks
56%synergy
Hoverstone Pilgrim
67%inclusion2 decks3 decks
66%synergy
Piper of the Swarm
67%inclusion2 decks3 decks
66%synergy
Anger
67%inclusion2 decks3 decks
54%synergy
Solemn Simulacrum
33%inclusion1 decks3 decks
13%synergy
Ogre Slumlord
33%inclusion1 decks3 decks
32%synergy
Marrow-Gnawer
33%inclusion1 decks3 decks
33%synergy
Ornithopter of Paradise
33%inclusion1 decks3 decks
30%synergy
Brash Taunter
33%inclusion1 decks3 decks
23%synergy
Bronze Walrus
33%inclusion1 decks3 decks
33%synergy
Tuktuk Rubblefort
33%inclusion1 decks3 decks
33%synergy
Imperial Recruiter
33%inclusion1 decks3 decks
29%synergy
Dockside Extortionist
33%inclusion1 decks3 decks
31%synergy
Iron Myr
33%inclusion1 decks3 decks
31%synergy
Burnished Hart
33%inclusion1 decks3 decks
28%synergy
Ashcoat of the Shadow Swarm
33%inclusion1 decks3 decks
33%synergy
Goblin Welder
33%inclusion1 decks3 decks
31%synergy
Karumonix, the Rat King
33%inclusion1 decks3 decks
33%synergy
Hellraiser Goblin
33%inclusion1 decks3 decks
33%synergy
Totentanz, Swarm Piper
33%inclusion1 decks3 decks
32%synergy
Master of Cruelties
33%inclusion1 decks3 decks
31%synergy
Tomb Trawler
33%inclusion1 decks3 decks
33%synergy
Herald of Leshrac
33%inclusion1 decks3 decks
33%synergy
Pontiff of Blight
33%inclusion1 decks3 decks
33%synergy
Leaden Myr
33%inclusion1 decks3 decks
31%synergy
Instants
Deadly Rollick
67%inclusion2 decks3 decks
45%synergy
Valakut Awakening
67%inclusion2 decks3 decks
59%synergy
Volcanic Spite
33%inclusion1 decks3 decks
33%synergy
Go for the Throat
33%inclusion1 decks3 decks
25%synergy
Dark Ritual
33%inclusion1 decks3 decks
-9%synergy
Soul Shatter
33%inclusion1 decks3 decks
29%synergy
Terminate
33%inclusion1 decks3 decks
-6%synergy
Deflecting Swat
33%inclusion1 decks3 decks
13%synergy
Fire Prophecy
33%inclusion1 decks3 decks
33%synergy
Bedevil
33%inclusion1 decks3 decks
-2%synergy
Sorceries
Patriarch's Bidding
33%inclusion1 decks3 decks
31%synergy
Vandalblast
33%inclusion1 decks3 decks
3%synergy
Feed the Swarm
33%inclusion1 decks3 decks
-8%synergy
Echoing Return
33%inclusion1 decks3 decks
33%synergy
Blasphemous Act
33%inclusion1 decks3 decks
-17%synergy
Exsanguinate
33%inclusion1 decks3 decks
23%synergy
Reanimate
33%inclusion1 decks3 decks
11%synergy
Wheel of Fortune
33%inclusion1 decks3 decks
27%synergy
Kindred Dominance
33%inclusion1 decks3 decks
31%synergy
Into the Fire
33%inclusion1 decks3 decks
32%synergy
Utility Artifacts
Illusionist's Bracers
67%inclusion2 decks3 decks
66%synergy
Teferi's Puzzle Box
67%inclusion2 decks3 decks
66%synergy
Heartstone
67%inclusion2 decks3 decks
65%synergy
Thrumming Stone
67%inclusion2 decks3 decks
66%synergy
Crystal Ball
67%inclusion2 decks3 decks
66%synergy
Treasure Map
33%inclusion1 decks3 decks
32%synergy
Wayfarer's Bauble
33%inclusion1 decks3 decks
20%synergy
Crucible of Worlds
33%inclusion1 decks3 decks
33%synergy
The Reaver Cleaver
33%inclusion1 decks3 decks
28%synergy
Mirror Box
33%inclusion1 decks3 decks
30%synergy
Darksteel Pendant
33%inclusion1 decks3 decks
33%synergy
Coat of Arms
33%inclusion1 decks3 decks
33%synergy
Shadowspear
33%inclusion1 decks3 decks
29%synergy
Vanquisher's Banner
33%inclusion1 decks3 decks
31%synergy
Expedition Map
33%inclusion1 decks3 decks
32%synergy
The Cauldron of Eternity
33%inclusion1 decks3 decks
32%synergy
Swiftfoot Boots
33%inclusion1 decks3 decks
2%synergy
Lightning Greaves
33%inclusion1 decks3 decks
-2%synergy
Enchantments
Mana Echoes
67%inclusion2 decks3 decks
66%synergy
Black Market
33%inclusion1 decks3 decks
28%synergy
Fires of Invention
33%inclusion1 decks3 decks
33%synergy
Braid of Fire
33%inclusion1 decks3 decks
31%synergy
Fervor
33%inclusion1 decks3 decks
32%synergy
Impact Tremors
33%inclusion1 decks3 decks
22%synergy
Mirror March
33%inclusion1 decks3 decks
31%synergy
No Mercy
33%inclusion1 decks3 decks
30%synergy
Animate Dead
33%inclusion1 decks3 decks
24%synergy
Cover of Darkness
33%inclusion1 decks3 decks
32%synergy
Phyrexian Arena
33%inclusion1 decks3 decks
10%synergy
Utility Lands
Cabal Coffers
100%inclusion3 decks3 decks
90%synergy
Urborg, Tomb of Yawgmoth
100%inclusion3 decks3 decks
81%synergy
Zhalfirin Void
67%inclusion2 decks3 decks
65%synergy
Nykthos, Shrine to Nyx
67%inclusion2 decks3 decks
65%synergy
Vault of Whispers
33%inclusion1 decks3 decks
27%synergy
Phyrexian Tower
33%inclusion1 decks3 decks
23%synergy
Isolated Watchtower
33%inclusion1 decks3 decks
33%synergy
Urza's Saga
33%inclusion1 decks3 decks
27%synergy
Takenuma, Abandoned Mire
33%inclusion1 decks3 decks
25%synergy
Urborg
33%inclusion1 decks3 decks
33%synergy
Reliquary Tower
33%inclusion1 decks3 decks
15%synergy
Great Furnace
33%inclusion1 decks3 decks
27%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
14%synergy
Arcane Signet
67%inclusion2 decks3 decks
-15%synergy
Thran Turbine
67%inclusion2 decks3 decks
66%synergy
Talisman of Indulgence
33%inclusion1 decks3 decks
-22%synergy
Mana Crypt
33%inclusion1 decks3 decks
32%synergy
Rakdos Signet
33%inclusion1 decks3 decks
-25%synergy
Mox Amber
33%inclusion1 decks3 decks
29%synergy
Fellwar Stone
33%inclusion1 decks3 decks
0%synergy
Thought Vessel
33%inclusion1 decks3 decks
15%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
14%synergy
Badlands
100%inclusion3 decks3 decks
87%synergy
Blood Crypt
100%inclusion3 decks3 decks
54%synergy
Swamp
100%inclusion3 decks3 decks
2%synergy
Luxury Suite
100%inclusion3 decks3 decks
62%synergy
Mountain
100%inclusion3 decks3 decks
3%synergy
Blightstep Pathway
100%inclusion3 decks3 decks
77%synergy
Bloodstained Mire
100%inclusion3 decks3 decks
67%synergy
Graven Cairns
67%inclusion2 decks3 decks
36%synergy
The Grey Havens
67%inclusion2 decks3 decks
66%synergy
Crystal Grotto
67%inclusion2 decks3 decks
66%synergy
Sulfurous Springs
67%inclusion2 decks3 decks
20%synergy
Valakut Awakening
67%inclusion2 decks3 decks
59%synergy
Prismatic Vista
33%inclusion1 decks3 decks
28%synergy
Raucous Theater
33%inclusion1 decks3 decks
12%synergy
Smoldering Marsh
33%inclusion1 decks3 decks
-30%synergy
Blackcleave Cliffs
33%inclusion1 decks3 decks
13%synergy
Foreboding Ruins
33%inclusion1 decks3 decks
-12%synergy
Dragonskull Summit
33%inclusion1 decks3 decks
-30%synergy
Verdant Catacombs
33%inclusion1 decks3 decks
26%synergy
Temple of Malice
33%inclusion1 decks3 decks
0%synergy
Cavern of Souls
33%inclusion1 decks3 decks
29%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
32%synergy
Tainted Peak
33%inclusion1 decks3 decks
-9%synergy
Mana Confluence
33%inclusion1 decks3 decks
28%synergy
Marsh Flats
33%inclusion1 decks3 decks
25%synergy
Haunted Ridge
33%inclusion1 decks3 decks
-2%synergy
Polluted Delta
33%inclusion1 decks3 decks
25%synergy
City of Brass
33%inclusion1 decks3 decks
27%synergy
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