Grenzo, Dungeon Warden (Commander) - Optimized Midrange

Grenzo, Dungeon Warden
Rank #542
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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Commander Spellbook
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MTGStocks
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Imperial Seal
67%inclusion2 decks3 decks
62%synergy
Demonic Tutor
67%inclusion2 decks3 decks
49%synergy
Vampiric Tutor
67%inclusion2 decks3 decks
53%synergy
Jeska's Will
33%inclusion1 decks3 decks
10%synergy
Ancient Tomb
33%inclusion1 decks3 decks
24%synergy
Underworld Breach
33%inclusion1 decks3 decks
26%synergy
The One Ring
33%inclusion1 decks3 decks
26%synergy
Mana Vault
33%inclusion1 decks3 decks
28%synergy
Ad Nauseam
33%inclusion1 decks3 decks
31%synergy
Gamble
33%inclusion1 decks3 decks
24%synergy
Creatures
Goblin Matron
100%inclusion3 decks3 decks
96%synergy
Sling-Gang Lieutenant
100%inclusion3 decks3 decks
96%synergy
Kiki-Jiki, Mirror Breaker
100%inclusion3 decks3 decks
96%synergy
Skirk Prospector
100%inclusion3 decks3 decks
95%synergy
Goblin Engineer
100%inclusion3 decks3 decks
96%synergy
Goblin Sharpshooter
100%inclusion3 decks3 decks
99%synergy
Twilight Diviner
100%inclusion1 decks1 decks
98%synergy
Grave Researcher
100%inclusion1 decks1 decks
98%synergy
Goblin Trashmaster
67%inclusion2 decks3 decks
65%synergy
Barkform Harvester
67%inclusion2 decks3 decks
66%synergy
Zealous Conscripts
67%inclusion2 decks3 decks
65%synergy
Metallic Mimic
67%inclusion2 decks3 decks
64%synergy
Goblin Chieftain
67%inclusion2 decks3 decks
64%synergy
Krenko, Mob Boss
67%inclusion2 decks3 decks
62%synergy
Boggart Trawler
67%inclusion2 decks3 decks
59%synergy
Goblin Recruiter
67%inclusion2 decks3 decks
65%synergy
Frogtosser Banneret
67%inclusion2 decks3 decks
64%synergy
Goblin Welder
67%inclusion2 decks3 decks
64%synergy
Murderous Redcap
67%inclusion2 decks3 decks
63%synergy
Lightning Crafter
67%inclusion2 decks3 decks
66%synergy
Tomb Trawler
67%inclusion2 decks3 decks
66%synergy
Priest of Gix
67%inclusion2 decks3 decks
65%synergy
Priest of Urabrask
67%inclusion2 decks3 decks
65%synergy
Conspicuous Snoop
67%inclusion2 decks3 decks
65%synergy
Goblin Settler
33%inclusion1 decks3 decks
33%synergy
Muxus, Goblin Grandee
33%inclusion1 decks3 decks
32%synergy
Junk Diver
33%inclusion1 decks3 decks
32%synergy
Murderous Rider
33%inclusion1 decks3 decks
32%synergy
Illuminor Szeras
33%inclusion1 decks3 decks
32%synergy
Chainer, Nightmare Adept
33%inclusion1 decks3 decks
26%synergy
Hoarding Broodlord
33%inclusion1 decks3 decks
29%synergy
Emrakul's Hatcher
33%inclusion1 decks3 decks
33%synergy
Treasure Nabber
33%inclusion1 decks3 decks
29%synergy
Goblin Lackey
33%inclusion1 decks3 decks
32%synergy
Deathbringer Thoctar
33%inclusion1 decks3 decks
33%synergy
Putrid Goblin
33%inclusion1 decks3 decks
31%synergy
Hell's Caretaker
33%inclusion1 decks3 decks
33%synergy
Dimir House Guard
33%inclusion1 decks3 decks
33%synergy
Gray Merchant of Asphodel
33%inclusion1 decks3 decks
23%synergy
Goblin Warchief
33%inclusion1 decks3 decks
30%synergy
Woe Strider
33%inclusion1 decks3 decks
31%synergy
Overeager Apprentice
33%inclusion1 decks3 decks
33%synergy
Bronze Walrus
33%inclusion1 decks3 decks
33%synergy
Sensation Gorger
33%inclusion1 decks3 decks
33%synergy
Hobgoblin Bandit Lord
33%inclusion1 decks3 decks
32%synergy
Moggcatcher
33%inclusion1 decks3 decks
33%synergy
Fleshwrither
33%inclusion1 decks3 decks
33%synergy
Walking Ballista
33%inclusion1 decks3 decks
31%synergy
Imperial Recruiter
33%inclusion1 decks3 decks
29%synergy
Goblin Wizard
33%inclusion1 decks3 decks
33%synergy
Instants
Dark Ritual
67%inclusion2 decks3 decks
23%synergy
Culling the Weak
67%inclusion2 decks3 decks
60%synergy
Burnt Offering
67%inclusion2 decks3 decks
61%synergy
Valakut Awakening
67%inclusion2 decks3 decks
59%synergy
Fire Covenant
33%inclusion1 decks3 decks
27%synergy
Deadly Rollick
33%inclusion1 decks3 decks
11%synergy
Footbottom Feast
33%inclusion1 decks3 decks
33%synergy
Entomb
33%inclusion1 decks3 decks
27%synergy
Imp's Mischief
33%inclusion1 decks3 decks
24%synergy
Red Elemental Blast
33%inclusion1 decks3 decks
25%synergy
Pyroblast
33%inclusion1 decks3 decks
25%synergy
Saw in Half
33%inclusion1 decks3 decks
22%synergy
Sorceries
Lively Dirge
67%inclusion2 decks3 decks
64%synergy
Doomsday
67%inclusion2 decks3 decks
66%synergy
Boggart Birth Rite
33%inclusion1 decks3 decks
32%synergy
Diabolic Tutor
33%inclusion1 decks3 decks
28%synergy
Dread Return
33%inclusion1 decks3 decks
29%synergy
Faithless Looting
33%inclusion1 decks3 decks
6%synergy
Agadeem's Awakening
33%inclusion1 decks3 decks
30%synergy
Feed the Swarm
33%inclusion1 decks3 decks
-8%synergy
Twinflame
33%inclusion1 decks3 decks
28%synergy
Rite of Flame
33%inclusion1 decks3 decks
28%synergy
Insatiable Avarice
33%inclusion1 decks3 decks
29%synergy
Sundering Eruption
33%inclusion1 decks3 decks
28%synergy
Cruel Tutor
33%inclusion1 decks3 decks
33%synergy
Grim Tutor
33%inclusion1 decks3 decks
29%synergy
Utility Artifacts
Thornbite Staff
67%inclusion2 decks3 decks
66%synergy
Defense Grid
33%inclusion1 decks3 decks
32%synergy
Teferi's Puzzle Box
33%inclusion1 decks3 decks
33%synergy
Ashnod's Altar
33%inclusion1 decks3 decks
23%synergy
Nim Deathmantle
33%inclusion1 decks3 decks
33%synergy
Tel-Jilad Stylus
33%inclusion1 decks3 decks
33%synergy
Wishclaw Talisman
33%inclusion1 decks3 decks
27%synergy
Phyrexian Altar
33%inclusion1 decks3 decks
28%synergy
Heartstone
33%inclusion1 decks3 decks
31%synergy
The Cauldron of Eternity
33%inclusion1 decks3 decks
32%synergy
Soldevi Digger
33%inclusion1 decks3 decks
33%synergy
Crystal Ball
33%inclusion1 decks3 decks
33%synergy
Agatha's Soul Cauldron
33%inclusion1 decks3 decks
32%synergy
Altar of the Brood
33%inclusion1 decks3 decks
33%synergy
Goblin Charbelcher
33%inclusion1 decks3 decks
33%synergy
Altar of Dementia
33%inclusion1 decks3 decks
31%synergy
Reito Lantern
33%inclusion1 decks3 decks
33%synergy
Basilisk Collar
33%inclusion1 decks3 decks
23%synergy
Enchantments
Animate Dead
67%inclusion2 decks3 decks
58%synergy
Necromancy
33%inclusion1 decks3 decks
30%synergy
Impact Tremors
33%inclusion1 decks3 decks
22%synergy
Blood Moon
33%inclusion1 decks3 decks
31%synergy
Boggart Shenanigans
33%inclusion1 decks3 decks
32%synergy
Chthonian Nightmare
33%inclusion1 decks3 decks
31%synergy
Goblin Bombardment
33%inclusion1 decks3 decks
23%synergy
Utility Lands
Great Furnace
100%inclusion3 decks3 decks
93%synergy
Vault of Whispers
67%inclusion2 decks3 decks
60%synergy
Three Tree City
67%inclusion2 decks3 decks
64%synergy
Bojuka Bog
33%inclusion1 decks3 decks
-2%synergy
Zhalfirin Void
33%inclusion1 decks3 decks
32%synergy
Shinka, the Bloodsoaked Keep
33%inclusion1 decks3 decks
32%synergy
Buried Ruin
33%inclusion1 decks3 decks
30%synergy
Boseiju, Who Shelters All
33%inclusion1 decks3 decks
33%synergy
Urza's Saga
33%inclusion1 decks3 decks
27%synergy
Mines of Moria
33%inclusion1 decks3 decks
29%synergy
Fomori Vault
33%inclusion1 decks3 decks
33%synergy
Barad-dûr
33%inclusion1 decks3 decks
31%synergy
Inventors' Fair
33%inclusion1 decks3 decks
32%synergy
Homeward Path
33%inclusion1 decks3 decks
32%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
15%synergy
Den of the Bugbear
33%inclusion1 decks3 decks
31%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
14%synergy
Arcane Signet
67%inclusion2 decks3 decks
-15%synergy
Talisman of Indulgence
67%inclusion2 decks3 decks
11%synergy
Lotus Petal
33%inclusion1 decks3 decks
26%synergy
Rakdos Signet
33%inclusion1 decks3 decks
-23%synergy
Mox Amber
33%inclusion1 decks3 decks
29%synergy
Fellwar Stone
33%inclusion1 decks3 decks
0%synergy
Mox Opal
33%inclusion1 decks3 decks
29%synergy
Chrome Mox
33%inclusion1 decks3 decks
28%synergy
Mox Diamond
33%inclusion1 decks3 decks
30%synergy
Lands
Swamp
100%inclusion3 decks3 decks
2%synergy
Cavern of Souls
100%inclusion3 decks3 decks
95%synergy
Mountain
100%inclusion3 decks3 decks
2%synergy
Sulfurous Springs
100%inclusion3 decks3 decks
52%synergy
Command Tower
67%inclusion2 decks3 decks
-19%synergy
Blood Crypt
67%inclusion2 decks3 decks
19%synergy
Boggart Trawler
67%inclusion2 decks3 decks
59%synergy
Blazemire Verge
67%inclusion2 decks3 decks
35%synergy
Opal Palace
67%inclusion2 decks3 decks
65%synergy
Path of Ancestry
67%inclusion2 decks3 decks
50%synergy
Blightstep Pathway
67%inclusion2 decks3 decks
44%synergy
Valakut Awakening
67%inclusion2 decks3 decks
59%synergy
Raucous Theater
33%inclusion1 decks3 decks
12%synergy
Auntie's Hovel
33%inclusion1 decks3 decks
32%synergy
Myriad Landscape
33%inclusion1 decks3 decks
17%synergy
Smoldering Marsh
33%inclusion1 decks3 decks
-30%synergy
Drossforge Bridge
33%inclusion1 decks3 decks
28%synergy
Graven Cairns
33%inclusion1 decks3 decks
1%synergy
Agadeem's Awakening
33%inclusion1 decks3 decks
30%synergy
Blackcleave Cliffs
33%inclusion1 decks3 decks
13%synergy
Dragonskull Summit
33%inclusion1 decks3 decks
-31%synergy
Temple of Malice
33%inclusion1 decks3 decks
1%synergy
Luxury Suite
33%inclusion1 decks3 decks
-5%synergy
Maestros Theater
33%inclusion1 decks3 decks
31%synergy
Evolving Wilds
33%inclusion1 decks3 decks
13%synergy
Tainted Peak
33%inclusion1 decks3 decks
-10%synergy
Gemstone Caverns
33%inclusion1 decks3 decks
29%synergy
Sundering Eruption
33%inclusion1 decks3 decks
28%synergy
Haunted Ridge
33%inclusion1 decks3 decks
-3%synergy
Crystal Grotto
33%inclusion1 decks3 decks
33%synergy
Bloodstained Mire
33%inclusion1 decks3 decks
-0%synergy
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