Grenzo, Dungeon Warden (Commander) - Expensive Optimized Combo

Grenzo, Dungeon Warden
Rank #547
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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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High Synergy Cards
Game Changers
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Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Priest of Urabrask
100%inclusion4 decks4 decks
98%synergy
Zealous Conscripts
100%inclusion4 decks4 decks
98%synergy
Priest of Gix
100%inclusion4 decks4 decks
98%synergy
Kiki-Jiki, Mirror Breaker
100%inclusion4 decks4 decks
96%synergy
Game Changers
Ancient Tomb
100%inclusion4 decks4 decks
91%synergy
Mana Vault
100%inclusion4 decks4 decks
95%synergy
Demonic Tutor
100%inclusion4 decks4 decks
82%synergy
Chrome Mox
100%inclusion4 decks4 decks
94%synergy
Vampiric Tutor
100%inclusion4 decks4 decks
86%synergy
Jeska's Will
75%inclusion3 decks4 decks
52%synergy
Opposition Agent
75%inclusion3 decks4 decks
70%synergy
Underworld Breach
75%inclusion3 decks4 decks
68%synergy
Ad Nauseam
75%inclusion3 decks4 decks
73%synergy
Gamble
75%inclusion3 decks4 decks
65%synergy
Creatures
Overeager Apprentice
75%inclusion3 decks4 decks
75%synergy
Simian Spirit Guide
75%inclusion3 decks4 decks
69%synergy
Metallic Mimic
50%inclusion2 decks4 decks
47%synergy
Dark Confidant
50%inclusion2 decks4 decks
45%synergy
Ragavan, Nimble Pilferer
50%inclusion2 decks4 decks
40%synergy
Imperial Recruiter
50%inclusion2 decks4 decks
46%synergy
Treasonous Ogre
50%inclusion2 decks4 decks
47%synergy
Dualcaster Mage
50%inclusion2 decks4 decks
42%synergy
Murderous Redcap
50%inclusion2 decks4 decks
46%synergy
Warren Soultrader
50%inclusion2 decks4 decks
42%synergy
Goblin Sledder
50%inclusion2 decks4 decks
50%synergy
Skirk Prospector
50%inclusion2 decks4 decks
44%synergy
Goblin Engineer
50%inclusion2 decks4 decks
46%synergy
Blood Pet
50%inclusion2 decks4 decks
48%synergy
Orcish Bowmasters
50%inclusion2 decks4 decks
39%synergy
Dauthi Voidwalker
50%inclusion2 decks4 decks
43%synergy
Conspicuous Snoop
50%inclusion2 decks4 decks
48%synergy
Zhao, the Moon Slayer
50%inclusion1 decks2 decks
49%synergy
Hexing Squelcher
50%inclusion1 decks2 decks
36%synergy
Twilight Diviner
50%inclusion1 decks2 decks
48%synergy
Scuzzback Scrounger
50%inclusion1 decks2 decks
46%synergy
Raphael, the Nightwatcher
50%inclusion1 decks2 decks
50%synergy
Knuckles the Echidna
33%inclusion1 decks3 decks
28%synergy
Evendo Brushrazer
33%inclusion1 decks3 decks
33%synergy
Zhao, Ruthless Admiral
33%inclusion1 decks3 decks
32%synergy
Barkform Harvester
25%inclusion1 decks4 decks
24%synergy
Professional Face-Breaker
25%inclusion1 decks4 decks
8%synergy
Grief
25%inclusion1 decks4 decks
24%synergy
Illuminor Szeras
25%inclusion1 decks4 decks
24%synergy
Goblin Matron
25%inclusion1 decks4 decks
21%synergy
Chainer, Nightmare Adept
25%inclusion1 decks4 decks
18%synergy
Prowling Geistcatcher
25%inclusion1 decks4 decks
24%synergy
Inti, Seneschal of the Sun
25%inclusion1 decks4 decks
23%synergy
Hoarding Broodlord
25%inclusion1 decks4 decks
21%synergy
Grim Servant
25%inclusion1 decks4 decks
24%synergy
Goblin Lackey
25%inclusion1 decks4 decks
24%synergy
Mogg Raider
25%inclusion1 decks4 decks
25%synergy
Putrid Goblin
25%inclusion1 decks4 decks
23%synergy
Blood Artist
25%inclusion1 decks4 decks
7%synergy
Twinflame Tyrant
25%inclusion1 decks4 decks
20%synergy
Blackbloom Rogue
25%inclusion1 decks4 decks
25%synergy
Goblin Chieftain
25%inclusion1 decks4 decks
23%synergy
Ornithopter of Paradise
25%inclusion1 decks4 decks
21%synergy
Woe Strider
25%inclusion1 decks4 decks
23%synergy
Magda, Brazen Outlaw
25%inclusion1 decks4 decks
22%synergy
Azra Oddsmaker
25%inclusion1 decks4 decks
23%synergy
Mayhem Devil
25%inclusion1 decks4 decks
0%synergy
Pit Automaton
25%inclusion1 decks4 decks
25%synergy
Walking Ballista
25%inclusion1 decks4 decks
23%synergy
Sling-Gang Lieutenant
25%inclusion1 decks4 decks
21%synergy
Instants
Dark Ritual
75%inclusion3 decks4 decks
32%synergy
Culling the Weak
75%inclusion3 decks4 decks
68%synergy
Red Elemental Blast
75%inclusion3 decks4 decks
66%synergy
Pyroblast
75%inclusion3 decks4 decks
66%synergy
Fire Covenant
50%inclusion2 decks4 decks
44%synergy
Deadly Rollick
50%inclusion2 decks4 decks
28%synergy
Chaos Warp
50%inclusion2 decks4 decks
3%synergy
Cabal Ritual
50%inclusion2 decks4 decks
42%synergy
Rain of Filth
50%inclusion2 decks4 decks
49%synergy
Deflecting Swat
50%inclusion2 decks4 decks
28%synergy
Saw in Half
50%inclusion2 decks4 decks
38%synergy
Plunge into Darkness
25%inclusion1 decks4 decks
24%synergy
Tainted Pact
25%inclusion1 decks4 decks
23%synergy
Entomb
25%inclusion1 decks4 decks
18%synergy
Imp's Mischief
25%inclusion1 decks4 decks
16%synergy
Desperate Ritual
25%inclusion1 decks4 decks
20%synergy
Rakdos Charm
25%inclusion1 decks4 decks
-18%synergy
Terminate
25%inclusion1 decks4 decks
-15%synergy
Seething Song
25%inclusion1 decks4 decks
12%synergy
Tibalt's Trickery
25%inclusion1 decks4 decks
12%synergy
Slaughter Pact
25%inclusion1 decks4 decks
24%synergy
Burnt Offering
25%inclusion1 decks4 decks
20%synergy
Pyretic Ritual
25%inclusion1 decks4 decks
19%synergy
Reverberate
25%inclusion1 decks4 decks
23%synergy
Bedevil
25%inclusion1 decks4 decks
-8%synergy
Flare of Duplication
25%inclusion1 decks4 decks
20%synergy
Abrade
25%inclusion1 decks4 decks
3%synergy
Dismember
25%inclusion1 decks4 decks
21%synergy
Sorceries
Doomsday
75%inclusion3 decks4 decks
74%synergy
Rite of Flame
75%inclusion3 decks4 decks
70%synergy
Diabolic Intent
50%inclusion2 decks4 decks
42%synergy
Imperial Seal
50%inclusion2 decks4 decks
45%synergy
Duress
50%inclusion2 decks4 decks
49%synergy
Praetor's Grasp
50%inclusion2 decks4 decks
48%synergy
Twinflame
50%inclusion2 decks4 decks
44%synergy
Wheel of Fortune
50%inclusion2 decks4 decks
44%synergy
Toxic Deluge
50%inclusion2 decks4 decks
33%synergy
Lively Dirge
25%inclusion1 decks4 decks
23%synergy
Infernal Plunge
25%inclusion1 decks4 decks
22%synergy
Electroduplicate
25%inclusion1 decks4 decks
21%synergy
Yawgmoth's Will
25%inclusion1 decks4 decks
23%synergy
Dread Return
25%inclusion1 decks4 decks
21%synergy
Inquisition of Kozilek
25%inclusion1 decks4 decks
25%synergy
Bubbling Muck
25%inclusion1 decks4 decks
25%synergy
Faithless Looting
25%inclusion1 decks4 decks
-2%synergy
Feed the Swarm
25%inclusion1 decks4 decks
-16%synergy
Heat Shimmer
25%inclusion1 decks4 decks
22%synergy
Molten Duplication
25%inclusion1 decks4 decks
20%synergy
Overmaster
25%inclusion1 decks4 decks
23%synergy
Sundering Eruption
25%inclusion1 decks4 decks
20%synergy
Dimir Machinations
25%inclusion1 decks4 decks
25%synergy
Beseech the Mirror
25%inclusion1 decks4 decks
21%synergy
Grim Tutor
25%inclusion1 decks4 decks
21%synergy
Chain of Smog
25%inclusion1 decks4 decks
24%synergy
Thoughtseize
25%inclusion1 decks4 decks
24%synergy
Recoup
25%inclusion1 decks4 decks
25%synergy
Shattering Spree
25%inclusion1 decks4 decks
25%synergy
Utility Artifacts
Defense Grid
75%inclusion3 decks4 decks
73%synergy
Sensei's Divining Top
50%inclusion2 decks4 decks
45%synergy
The One Ring
50%inclusion2 decks4 decks
42%synergy
Wishclaw Talisman
50%inclusion2 decks4 decks
44%synergy
Moonsilver Key
25%inclusion1 decks4 decks
25%synergy
Ashnod's Altar
25%inclusion1 decks4 decks
15%synergy
Scroll Rack
25%inclusion1 decks4 decks
24%synergy
Agatha's Soul Cauldron
25%inclusion1 decks4 decks
23%synergy
Altar of the Brood
25%inclusion1 decks4 decks
25%synergy
Reito Lantern
25%inclusion1 decks4 decks
25%synergy
Enchantments
Necropotence
50%inclusion2 decks4 decks
45%synergy
Bridge from Below
25%inclusion1 decks4 decks
25%synergy
Blood Moon
25%inclusion1 decks4 decks
23%synergy
Animate Dead
25%inclusion1 decks4 decks
16%synergy
Chthonian Nightmare
25%inclusion1 decks4 decks
23%synergy
Goblin Bombardment
25%inclusion1 decks4 decks
15%synergy
Planeswalkers
Professor Onyx
25%inclusion1 decks4 decks
23%synergy
Utility Lands
Urza's Saga
50%inclusion2 decks4 decks
44%synergy
Great Furnace
50%inclusion2 decks4 decks
43%synergy
Bojuka Bog
25%inclusion1 decks4 decks
-11%synergy
Vault of Whispers
25%inclusion1 decks4 decks
19%synergy
Phyrexian Tower
25%inclusion1 decks4 decks
14%synergy
Shinka, the Bloodsoaked Keep
25%inclusion1 decks4 decks
23%synergy
Mines of Moria
25%inclusion1 decks4 decks
20%synergy
Fomori Vault
25%inclusion1 decks4 decks
24%synergy
Barad-dûr
25%inclusion1 decks4 decks
23%synergy
Lake of the Dead
25%inclusion1 decks4 decks
25%synergy
Three Tree City
25%inclusion1 decks4 decks
22%synergy
City of Traitors
25%inclusion1 decks4 decks
23%synergy
Mana Artifacts
Sol Ring
100%inclusion4 decks4 decks
14%synergy
Mox Opal
100%inclusion4 decks4 decks
96%synergy
Arcane Signet
75%inclusion3 decks4 decks
-7%synergy
Lotus Petal
75%inclusion3 decks4 decks
67%synergy
Mox Amber
75%inclusion3 decks4 decks
71%synergy
Fellwar Stone
75%inclusion3 decks4 decks
42%synergy
Mox Diamond
75%inclusion3 decks4 decks
71%synergy
Talisman of Indulgence
50%inclusion2 decks4 decks
-5%synergy
Rakdos Signet
50%inclusion2 decks4 decks
-6%synergy
Grim Monolith
25%inclusion1 decks4 decks
23%synergy
Thran Turbine
25%inclusion1 decks4 decks
24%synergy
Lion's Eye Diamond
25%inclusion1 decks4 decks
22%synergy
Lands
Blood Crypt
100%inclusion4 decks4 decks
52%synergy
Swamp
100%inclusion4 decks4 decks
2%synergy
Bloodstained Mire
100%inclusion4 decks4 decks
66%synergy
Command Tower
75%inclusion3 decks4 decks
-11%synergy
Badlands
75%inclusion3 decks4 decks
61%synergy
Luxury Suite
75%inclusion3 decks4 decks
36%synergy
Mountain
75%inclusion3 decks4 decks
-23%synergy
Gemstone Caverns
75%inclusion3 decks4 decks
70%synergy
Scalding Tarn
75%inclusion3 decks4 decks
68%synergy
Mana Confluence
75%inclusion3 decks4 decks
69%synergy
Marsh Flats
75%inclusion3 decks4 decks
67%synergy
Polluted Delta
75%inclusion3 decks4 decks
67%synergy
City of Brass
75%inclusion3 decks4 decks
68%synergy
Sulfurous Springs
75%inclusion3 decks4 decks
27%synergy
Raucous Theater
50%inclusion2 decks4 decks
28%synergy
Verdant Catacombs
50%inclusion2 decks4 decks
43%synergy
Reflecting Pool
50%inclusion2 decks4 decks
47%synergy
Cavern of Souls
50%inclusion2 decks4 decks
45%synergy
Blazemire Verge
50%inclusion2 decks4 decks
18%synergy
Mount Doom
50%inclusion2 decks4 decks
34%synergy
Arid Mesa
50%inclusion2 decks4 decks
42%synergy
Exotic Orchard
25%inclusion1 decks4 decks
-6%synergy
Blackbloom Rogue
25%inclusion1 decks4 decks
25%synergy
Blackcleave Cliffs
25%inclusion1 decks4 decks
5%synergy
Dragonskull Summit
25%inclusion1 decks4 decks
-40%synergy
Wooded Foothills
25%inclusion1 decks4 decks
18%synergy
Tarnished Citadel
25%inclusion1 decks4 decks
24%synergy
Boggart Trawler
25%inclusion1 decks4 decks
18%synergy
Plaza of Heroes
25%inclusion1 decks4 decks
23%synergy
Opal Palace
25%inclusion1 decks4 decks
24%synergy
Sundering Eruption
25%inclusion1 decks4 decks
20%synergy
Snow-Covered Mountain
25%inclusion1 decks4 decks
22%synergy
Snow-Covered Swamp
25%inclusion1 decks4 decks
22%synergy
Haunted Ridge
25%inclusion1 decks4 decks
-11%synergy
Blightstep Pathway
25%inclusion1 decks4 decks
3%synergy
Pinnacle Monk
25%inclusion1 decks4 decks
18%synergy
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