Grenzo, Dungeon Warden (Commander) - Optimized Toolbox

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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MTGStocks
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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Imperial Seal
50%inclusion1 decks2 decks
45%synergy
Demonic Tutor
50%inclusion1 decks2 decks
32%synergy
Vampiric Tutor
50%inclusion1 decks2 decks
36%synergy
Creatures
Goblin Trashmaster
100%inclusion2 decks2 decks
98%synergy
Barkform Harvester
100%inclusion2 decks2 decks
99%synergy
Goblin Matron
100%inclusion2 decks2 decks
96%synergy
Sling-Gang Lieutenant
100%inclusion2 decks2 decks
96%synergy
Krenko, Mob Boss
100%inclusion2 decks2 decks
95%synergy
Boggart Trawler
100%inclusion2 decks2 decks
93%synergy
Goblin Welder
100%inclusion2 decks2 decks
97%synergy
Kiki-Jiki, Mirror Breaker
100%inclusion2 decks2 decks
96%synergy
Skirk Prospector
100%inclusion2 decks2 decks
95%synergy
Goblin Engineer
100%inclusion2 decks2 decks
96%synergy
Lightning Crafter
100%inclusion2 decks2 decks
100%synergy
Tomb Trawler
100%inclusion2 decks2 decks
99%synergy
Goblin Sharpshooter
100%inclusion2 decks2 decks
99%synergy
Twilight Diviner
100%inclusion1 decks1 decks
98%synergy
Grave Researcher
100%inclusion1 decks1 decks
97%synergy
Goblin Settler
50%inclusion1 decks2 decks
50%synergy
Muxus, Goblin Grandee
50%inclusion1 decks2 decks
48%synergy
Junk Diver
50%inclusion1 decks2 decks
49%synergy
Murderous Rider
50%inclusion1 decks2 decks
49%synergy
Illuminor Szeras
50%inclusion1 decks2 decks
49%synergy
Chainer, Nightmare Adept
50%inclusion1 decks2 decks
42%synergy
Zealous Conscripts
50%inclusion1 decks2 decks
48%synergy
Emrakul's Hatcher
50%inclusion1 decks2 decks
50%synergy
Metallic Mimic
50%inclusion1 decks2 decks
48%synergy
Treasure Nabber
50%inclusion1 decks2 decks
46%synergy
Deathbringer Thoctar
50%inclusion1 decks2 decks
49%synergy
Hell's Caretaker
50%inclusion1 decks2 decks
50%synergy
Dimir House Guard
50%inclusion1 decks2 decks
49%synergy
Goblin Chieftain
50%inclusion1 decks2 decks
48%synergy
Gray Merchant of Asphodel
50%inclusion1 decks2 decks
40%synergy
Goblin Warchief
50%inclusion1 decks2 decks
47%synergy
Woe Strider
50%inclusion1 decks2 decks
48%synergy
Bronze Walrus
50%inclusion1 decks2 decks
50%synergy
Sensation Gorger
50%inclusion1 decks2 decks
50%synergy
Hobgoblin Bandit Lord
50%inclusion1 decks2 decks
49%synergy
Moggcatcher
50%inclusion1 decks2 decks
50%synergy
Fleshwrither
50%inclusion1 decks2 decks
50%synergy
Goblin Wizard
50%inclusion1 decks2 decks
50%synergy
Faceless Butcher
50%inclusion1 decks2 decks
50%synergy
Boggart Harbinger
50%inclusion1 decks2 decks
48%synergy
Hoverstone Pilgrim
50%inclusion1 decks2 decks
49%synergy
Canoptek Tomb Sentinel
50%inclusion1 decks2 decks
50%synergy
Iron Myr
50%inclusion1 decks2 decks
48%synergy
Wort, Boggart Auntie
50%inclusion1 decks2 decks
49%synergy
Zulaport Cutthroat
50%inclusion1 decks2 decks
42%synergy
Goblin Recruiter
50%inclusion1 decks2 decks
48%synergy
Palladium Myr
50%inclusion1 decks2 decks
49%synergy
Ravenous Chupacabra
50%inclusion1 decks2 decks
48%synergy
Primaris Eliminator
50%inclusion1 decks2 decks
50%synergy
Grenzo, Havoc Raiser
50%inclusion1 decks2 decks
46%synergy
Instants
Valakut Awakening
100%inclusion2 decks2 decks
92%synergy
Footbottom Feast
50%inclusion1 decks2 decks
50%synergy
Dark Ritual
50%inclusion1 decks2 decks
7%synergy
Culling the Weak
50%inclusion1 decks2 decks
44%synergy
Burnt Offering
50%inclusion1 decks2 decks
45%synergy
Sorceries
Boggart Birth Rite
50%inclusion1 decks2 decks
49%synergy
Lively Dirge
50%inclusion1 decks2 decks
48%synergy
Diabolic Tutor
50%inclusion1 decks2 decks
44%synergy
Agadeem's Awakening
50%inclusion1 decks2 decks
47%synergy
Doomsday
50%inclusion1 decks2 decks
49%synergy
Insatiable Avarice
50%inclusion1 decks2 decks
46%synergy
Sundering Eruption
50%inclusion1 decks2 decks
45%synergy
Cruel Tutor
50%inclusion1 decks2 decks
49%synergy
Grim Tutor
50%inclusion1 decks2 decks
46%synergy
Utility Artifacts
Thornbite Staff
100%inclusion2 decks2 decks
99%synergy
Teferi's Puzzle Box
50%inclusion1 decks2 decks
49%synergy
Ashnod's Altar
50%inclusion1 decks2 decks
40%synergy
Nim Deathmantle
50%inclusion1 decks2 decks
49%synergy
Tel-Jilad Stylus
50%inclusion1 decks2 decks
49%synergy
Phyrexian Altar
50%inclusion1 decks2 decks
44%synergy
Heartstone
50%inclusion1 decks2 decks
48%synergy
The Cauldron of Eternity
50%inclusion1 decks2 decks
49%synergy
Soldevi Digger
50%inclusion1 decks2 decks
50%synergy
Crystal Ball
50%inclusion1 decks2 decks
50%synergy
Goblin Charbelcher
50%inclusion1 decks2 decks
50%synergy
Altar of Dementia
50%inclusion1 decks2 decks
48%synergy
Basilisk Collar
50%inclusion1 decks2 decks
39%synergy
Enchantments
Necromancy
50%inclusion1 decks2 decks
47%synergy
Impact Tremors
50%inclusion1 decks2 decks
39%synergy
Boggart Shenanigans
50%inclusion1 decks2 decks
49%synergy
Animate Dead
50%inclusion1 decks2 decks
41%synergy
Goblin Bombardment
50%inclusion1 decks2 decks
40%synergy
Utility Lands
Vault of Whispers
100%inclusion2 decks2 decks
94%synergy
Great Furnace
100%inclusion2 decks2 decks
93%synergy
Zhalfirin Void
50%inclusion1 decks2 decks
49%synergy
Buried Ruin
50%inclusion1 decks2 decks
47%synergy
Boseiju, Who Shelters All
50%inclusion1 decks2 decks
49%synergy
Inventors' Fair
50%inclusion1 decks2 decks
48%synergy
Homeward Path
50%inclusion1 decks2 decks
49%synergy
Three Tree City
50%inclusion1 decks2 decks
47%synergy
Urborg, Tomb of Yawgmoth
50%inclusion1 decks2 decks
31%synergy
Den of the Bugbear
50%inclusion1 decks2 decks
48%synergy
Mana Artifacts
Sol Ring
100%inclusion2 decks2 decks
14%synergy
Arcane Signet
50%inclusion1 decks2 decks
-32%synergy
Talisman of Indulgence
50%inclusion1 decks2 decks
-5%synergy
Rakdos Signet
50%inclusion1 decks2 decks
-7%synergy
Lands
Command Tower
100%inclusion2 decks2 decks
14%synergy
Swamp
100%inclusion2 decks2 decks
2%synergy
Boggart Trawler
100%inclusion2 decks2 decks
93%synergy
Cavern of Souls
100%inclusion2 decks2 decks
95%synergy
Mountain
100%inclusion2 decks2 decks
2%synergy
Path of Ancestry
100%inclusion2 decks2 decks
84%synergy
Sulfurous Springs
100%inclusion2 decks2 decks
52%synergy
Valakut Awakening
100%inclusion2 decks2 decks
92%synergy
Auntie's Hovel
50%inclusion1 decks2 decks
48%synergy
Myriad Landscape
50%inclusion1 decks2 decks
33%synergy
Smoldering Marsh
50%inclusion1 decks2 decks
-14%synergy
Blood Crypt
50%inclusion1 decks2 decks
2%synergy
Drossforge Bridge
50%inclusion1 decks2 decks
44%synergy
Graven Cairns
50%inclusion1 decks2 decks
18%synergy
Agadeem's Awakening
50%inclusion1 decks2 decks
47%synergy
Dragonskull Summit
50%inclusion1 decks2 decks
-14%synergy
Temple of Malice
50%inclusion1 decks2 decks
18%synergy
Maestros Theater
50%inclusion1 decks2 decks
48%synergy
Blazemire Verge
50%inclusion1 decks2 decks
19%synergy
Evolving Wilds
50%inclusion1 decks2 decks
30%synergy
Opal Palace
50%inclusion1 decks2 decks
49%synergy
Tainted Peak
50%inclusion1 decks2 decks
7%synergy
Sundering Eruption
50%inclusion1 decks2 decks
45%synergy
Blightstep Pathway
50%inclusion1 decks2 decks
28%synergy
Crystal Grotto
50%inclusion1 decks2 decks
49%synergy
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