Grenzo, Dungeon Warden (Commander) - Optimized Combo

Grenzo, Dungeon Warden
Rank #537
40decks
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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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Top Cards
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Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Kingpin, Wilson Fisk
8.3%inclusion1 decks12 decks
8%synergy
Doctor Doom
3.3%inclusion1 decks30 decks
3%synergy
High Synergy Cards
Murderous Redcap
85%inclusion34 decks40 decks
82%synergy
Kiki-Jiki, Mirror Breaker
85%inclusion34 decks40 decks
81%synergy
Goblin Engineer
80%inclusion32 decks40 decks
76%synergy
Priest of Gix
75%inclusion30 decks40 decks
73%synergy
Priest of Urabrask
73%inclusion29 decks40 decks
71%synergy
Skirk Prospector
75%inclusion30 decks40 decks
70%synergy
Metallic Mimic
68%inclusion27 decks40 decks
66%synergy
Heartstone
68%inclusion27 decks40 decks
65%synergy
Ashnod's Altar
75%inclusion30 decks40 decks
65%synergy
Tomb Trawler
65%inclusion26 decks40 decks
64%synergy
Top Cards
Sling-Gang Lieutenant
65%inclusion26 decks40 decks
62%synergy
Goblin Matron
63%inclusion25 decks40 decks
59%synergy
Barkform Harvester
63%inclusion25 decks40 decks
61%synergy
Workhorse
63%inclusion25 decks40 decks
62%synergy
Pitiless Plunderer
57%inclusion23 decks40 decks
45%synergy
Viscera Seer
57%inclusion23 decks40 decks
48%synergy
The Cauldron of Eternity
57%inclusion23 decks40 decks
56%synergy
Siege-Gang Commander
53%inclusion21 decks40 decks
49%synergy
Goblin Welder
53%inclusion21 decks40 decks
50%synergy
Doomsday
53%inclusion21 decks40 decks
52%synergy
Game Changers
Demonic Tutor
38%inclusion15 decks40 decks
20%synergy
Ancient Tomb
35%inclusion14 decks40 decks
26%synergy
Gamble
30%inclusion12 decks40 decks
20%synergy
Vampiric Tutor
28%inclusion11 decks40 decks
14%synergy
Mana Vault
25%inclusion10 decks40 decks
20%synergy
Chrome Mox
25%inclusion10 decks40 decks
19%synergy
Jeska's Will
23%inclusion9 decks40 decks
-1%synergy
Orcish Bowmasters
23%inclusion9 decks40 decks
12%synergy
Opposition Agent
20%inclusion8 decks40 decks
15%synergy
Underworld Breach
18%inclusion7 decks40 decks
11%synergy
Creatures
Boggart Trawler
53%inclusion21 decks40 decks
45%synergy
Woe Strider
50%inclusion20 decks40 decks
48%synergy
Warren Soultrader
50%inclusion20 decks40 decks
42%synergy
Zealous Conscripts
50%inclusion20 decks40 decks
48%synergy
Hoverstone Pilgrim
48%inclusion19 decks40 decks
47%synergy
Pawn of Ulamog
48%inclusion19 decks40 decks
45%synergy
Imperial Recruiter
48%inclusion19 decks40 decks
43%synergy
Zulaport Cutthroat
45%inclusion18 decks40 decks
37%synergy
Leaden Myr
43%inclusion17 decks40 decks
40%synergy
Goblin Trashmaster
43%inclusion17 decks40 decks
41%synergy
Meteor Golem
43%inclusion17 decks40 decks
40%synergy
Palladium Myr
40%inclusion16 decks40 decks
39%synergy
Treasonous Ogre
38%inclusion15 decks40 decks
35%synergy
Ravenous Chupacabra
38%inclusion15 decks40 decks
35%synergy
Pinnacle Monk
38%inclusion15 decks40 decks
30%synergy
Krenko, Mob Boss
38%inclusion15 decks40 decks
33%synergy
Goblin Recruiter
35%inclusion14 decks40 decks
33%synergy
Conspicuous Snoop
35%inclusion14 decks40 decks
33%synergy
Mad Auntie
33%inclusion13 decks40 decks
30%synergy
Solemn Simulacrum
33%inclusion13 decks40 decks
13%synergy
Iron Myr
33%inclusion13 decks40 decks
30%synergy
Duplicant
33%inclusion13 decks40 decks
32%synergy
Ornithopter of Paradise
33%inclusion13 decks40 decks
29%synergy
Emrakul's Hatcher
33%inclusion13 decks40 decks
32%synergy
Murderous Rider
33%inclusion13 decks40 decks
31%synergy
Gray Merchant of Asphodel
30%inclusion12 decks40 decks
20%synergy
Bronze Walrus
30%inclusion12 decks40 decks
30%synergy
Blood Artist
30%inclusion12 decks40 decks
11%synergy
Chainer, Nightmare Adept
30%inclusion12 decks40 decks
22%synergy
Goblin Sharpshooter
30%inclusion12 decks40 decks
29%synergy
Hexing Squelcher
28%inclusion8 decks29 decks
14%synergy
Goblin Warchief
28%inclusion11 decks40 decks
25%synergy
Anger
28%inclusion11 decks40 decks
15%synergy
Boggart Harbinger
25%inclusion10 decks40 decks
23%synergy
Goblin Chieftain
25%inclusion10 decks40 decks
23%synergy
Epitaph Golem
25%inclusion10 decks40 decks
24%synergy
Pashalik Mons
25%inclusion10 decks40 decks
23%synergy
Mogg War Marshal
25%inclusion10 decks40 decks
23%synergy
Warteye Witch
25%inclusion10 decks40 decks
24%synergy
Simian Spirit Guide
23%inclusion9 decks40 decks
17%synergy
Mayhem Devil
23%inclusion9 decks40 decks
-2%synergy
Primaris Eliminator
23%inclusion9 decks40 decks
22%synergy
Boggart Cursecrafter
21%inclusion6 decks28 decks
17%synergy
Twilight Diviner
21%inclusion6 decks28 decks
20%synergy
Treasure Nabber
20%inclusion8 decks40 decks
16%synergy
Myr Retriever
20%inclusion8 decks40 decks
18%synergy
Clone Shell
20%inclusion8 decks40 decks
20%synergy
Overeager Apprentice
18%inclusion7 decks40 decks
17%synergy
Putrid Goblin
18%inclusion7 decks40 decks
16%synergy
Grim Servant
18%inclusion7 decks40 decks
17%synergy
Instants
Dark Ritual
48%inclusion19 decks40 decks
5%synergy
Valakut Awakening
45%inclusion18 decks40 decks
37%synergy
Volcanic Spite
25%inclusion10 decks40 decks
25%synergy
Chaos Warp
23%inclusion9 decks40 decks
-25%synergy
Culling the Weak
23%inclusion9 decks40 decks
16%synergy
Deflecting Swat
23%inclusion9 decks40 decks
1%synergy
Red Elemental Blast
23%inclusion9 decks40 decks
14%synergy
Burnt Offering
20%inclusion8 decks40 decks
15%synergy
Entomb
18%inclusion7 decks40 decks
11%synergy
Cabal Ritual
18%inclusion7 decks40 decks
9%synergy
Fire Prophecy
18%inclusion7 decks40 decks
17%synergy
Deadly Rollick
15%inclusion6 decks40 decks
-7%synergy
Terminate
15%inclusion6 decks40 decks
-25%synergy
Bedevil
15%inclusion6 decks40 decks
-19%synergy
Pyroblast
15%inclusion6 decks40 decks
6%synergy
Abrade
15%inclusion6 decks40 decks
-6%synergy
Fire Covenant
13%inclusion5 decks40 decks
6%synergy
Thrill of Possibility
13%inclusion5 decks40 decks
-6%synergy
Imp's Mischief
13%inclusion5 decks40 decks
3%synergy
Ad Nauseam
13%inclusion5 decks40 decks
10%synergy
Malakir Rebirth
13%inclusion5 decks40 decks
-3%synergy
Saw in Half
13%inclusion5 decks40 decks
1%synergy
Fell the Profane
10%inclusion4 decks40 decks
-3%synergy
Rakdos Charm
10%inclusion4 decks40 decks
-34%synergy
Seething Song
10%inclusion4 decks40 decks
-2%synergy
Redirect Lightning
8.8%inclusion3 decks34 decks
-1%synergy
Manhole Missile
8.7%inclusion2 decks23 decks
8%synergy
Hagra Mauling
7.5%inclusion3 decks40 decks
5%synergy
Untimely Malfunction
7.5%inclusion3 decks40 decks
-11%synergy
Desperate Ritual
7.5%inclusion3 decks40 decks
3%synergy
Tibalt's Trickery
7.5%inclusion3 decks40 decks
-6%synergy
Rain of Filth
7.5%inclusion3 decks40 decks
7%synergy
Flare of Duplication
7.5%inclusion3 decks40 decks
3%synergy
Sacrifice
5.0%inclusion2 decks40 decks
3%synergy
Plunge into Darkness
5.0%inclusion2 decks40 decks
4%synergy
Brightstone Ritual
5.0%inclusion2 decks40 decks
3%synergy
Village Rites
5.0%inclusion2 decks40 decks
-10%synergy
Lightning Bolt
5.0%inclusion2 decks40 decks
-14%synergy
Deadly Dispute
5.0%inclusion2 decks40 decks
-22%synergy
Pyretic Ritual
5.0%inclusion2 decks40 decks
-1%synergy
Final Fortune
5.0%inclusion2 decks40 decks
3%synergy
First Day of Class
5.0%inclusion2 decks40 decks
4%synergy
Dismember
5.0%inclusion2 decks40 decks
1%synergy
Withering Torment
5.0%inclusion2 decks40 decks
-16%synergy
Sorceries
Faithless Looting
23%inclusion9 decks40 decks
-5%synergy
Into the Fire
23%inclusion9 decks40 decks
22%synergy
Diabolic Intent
20%inclusion8 decks40 decks
12%synergy
Read the Bones
20%inclusion8 decks40 decks
8%synergy
Imperial Seal
15%inclusion6 decks40 decks
10%synergy
Dread Return
15%inclusion6 decks40 decks
11%synergy
Rite of Flame
15%inclusion6 decks40 decks
10%synergy
Grim Tutor
15%inclusion6 decks40 decks
11%synergy
Victimize
13%inclusion5 decks40 decks
-2%synergy
Agadeem's Awakening
13%inclusion5 decks40 decks
9%synergy
Feed the Swarm
13%inclusion5 decks40 decks
-29%synergy
Blasphemous Act
13%inclusion5 decks40 decks
-38%synergy
Beseech the Mirror
13%inclusion5 decks40 decks
9%synergy
Buried Alive
10%inclusion4 decks40 decks
5%synergy
Reanimate
10%inclusion4 decks40 decks
-13%synergy
Insatiable Avarice
10%inclusion4 decks40 decks
6%synergy
Toxic Deluge
10%inclusion4 decks40 decks
-7%synergy
Sundering Eruption
10%inclusion4 decks40 decks
5%synergy
Lively Dirge
7.5%inclusion3 decks40 decks
5%synergy
Infernal Plunge
7.5%inclusion3 decks40 decks
5%synergy
Diabolic Tutor
7.5%inclusion3 decks40 decks
2%synergy
Peer into the Abyss
7.5%inclusion3 decks40 decks
4%synergy
Yawgmoth's Will
7.5%inclusion3 decks40 decks
6%synergy
Praetor's Grasp
7.5%inclusion3 decks40 decks
5%synergy
Scheming Symmetry
7.5%inclusion3 decks40 decks
5%synergy
Twinflame
7.5%inclusion3 decks40 decks
2%synergy
Wheel of Fortune
7.5%inclusion3 decks40 decks
2%synergy
Overmaster
7.5%inclusion3 decks40 decks
5%synergy
Cruel Tutor
7.5%inclusion3 decks40 decks
7%synergy
Grub's Command
6.9%inclusion2 decks29 decks
4%synergy
Sozin's Comet
6.3%inclusion2 decks32 decks
3%synergy
Unmarked Grave
5.0%inclusion2 decks40 decks
2%synergy
Patriarch's Bidding
5.0%inclusion2 decks40 decks
2%synergy
Profane Tutor
5.0%inclusion2 decks40 decks
3%synergy
Duress
5.0%inclusion2 decks40 decks
4%synergy
Vandalblast
5.0%inclusion2 decks40 decks
-25%synergy
Living Death
5.0%inclusion2 decks40 decks
1%synergy
Dimir Machinations
5.0%inclusion2 decks40 decks
5%synergy
Dreadbore
5.0%inclusion2 decks40 decks
0%synergy
Utility Artifacts
Tel-Jilad Stylus
50%inclusion20 decks40 decks
49%synergy
Phyrexian Altar
25%inclusion10 decks40 decks
19%synergy
Lightning Greaves
25%inclusion10 decks40 decks
-10%synergy
Skullclamp
23%inclusion9 decks40 decks
12%synergy
Teferi's Puzzle Box
20%inclusion8 decks40 decks
19%synergy
Wishclaw Talisman
20%inclusion8 decks40 decks
14%synergy
Defense Grid
15%inclusion6 decks40 decks
13%synergy
Nim Deathmantle
15%inclusion6 decks40 decks
14%synergy
Soldevi Digger
15%inclusion6 decks40 decks
15%synergy
Thornbite Staff
15%inclusion6 decks40 decks
14%synergy
Desecrated Tomb
13%inclusion5 decks40 decks
12%synergy
Crystal Ball
13%inclusion5 decks40 decks
12%synergy
Reito Lantern
13%inclusion5 decks40 decks
12%synergy
Illusionist's Bracers
10%inclusion4 decks40 decks
9%synergy
Swiftfoot Boots
10%inclusion4 decks40 decks
-22%synergy
Sensei's Divining Top
7.5%inclusion3 decks40 decks
2%synergy
The One Ring
7.5%inclusion3 decks40 decks
0%synergy
Cloak and Dagger
7.5%inclusion3 decks40 decks
7%synergy
Palantír of Orthanc
7.5%inclusion3 decks40 decks
6%synergy
Goblin Charbelcher
7.5%inclusion3 decks40 decks
7%synergy
Grinding Station
5.0%inclusion2 decks40 decks
3%synergy
Genesis Chamber
5.0%inclusion2 decks40 decks
4%synergy
Bolas's Citadel
5.0%inclusion2 decks40 decks
-5%synergy
Crucible of Worlds
5.0%inclusion2 decks40 decks
4%synergy
Darksteel Pendant
5.0%inclusion2 decks40 decks
5%synergy
Conjurer's Bauble
5.0%inclusion2 decks40 decks
5%synergy
Scroll Rack
5.0%inclusion2 decks40 decks
4%synergy
Krark-Clan Ironworks
5.0%inclusion2 decks40 decks
4%synergy
Mazemind Tome
5.0%inclusion2 decks40 decks
5%synergy
Altar of Dementia
5.0%inclusion2 decks40 decks
3%synergy
Basilisk Collar
5.0%inclusion2 decks40 decks
-6%synergy
Enchantments
Goblin Bombardment
30%inclusion12 decks40 decks
20%synergy
Mana Echoes
20%inclusion8 decks40 decks
19%synergy
Braid of Fire
13%inclusion5 decks40 decks
11%synergy
Animate Dead
13%inclusion5 decks40 decks
3%synergy
Necropotence
10%inclusion4 decks40 decks
5%synergy
Boggart Mischief
6.9%inclusion2 decks29 decks
3%synergy
Molten Echoes
5.0%inclusion2 decks40 decks
2%synergy
Ripples of Undeath
5.0%inclusion2 decks40 decks
2%synergy
Mindmoil
5.0%inclusion2 decks40 decks
5%synergy
Necromancy
5.0%inclusion2 decks40 decks
2%synergy
Impact Tremors
5.0%inclusion2 decks40 decks
-6%synergy
Shared Animosity
5.0%inclusion2 decks40 decks
2%synergy
Shadows of the Past
5.0%inclusion2 decks40 decks
5%synergy
Phyrexian Arena
5.0%inclusion2 decks40 decks
-19%synergy
Planeswalkers
Daretti, Scrap Savant
7.5%inclusion3 decks40 decks
5%synergy
Utility Lands
Buried Ruin
38%inclusion15 decks40 decks
34%synergy
Vault of Whispers
35%inclusion14 decks40 decks
29%synergy
Zhalfirin Void
35%inclusion14 decks40 decks
34%synergy
Phyrexian Tower
35%inclusion14 decks40 decks
24%synergy
Great Furnace
35%inclusion14 decks40 decks
29%synergy
Bojuka Bog
28%inclusion11 decks40 decks
-8%synergy
Urborg, Tomb of Yawgmoth
28%inclusion11 decks40 decks
9%synergy
Urza's Saga
18%inclusion7 decks40 decks
11%synergy
Takenuma, Abandoned Mire
18%inclusion7 decks40 decks
9%synergy
Three Tree City
18%inclusion7 decks40 decks
14%synergy
Spinerock Knoll
13%inclusion5 decks40 decks
3%synergy
Nykthos, Shrine to Nyx
13%inclusion5 decks40 decks
11%synergy
Inventors' Fair
13%inclusion5 decks40 decks
11%synergy
Cabal Coffers
7.5%inclusion3 decks40 decks
-2%synergy
Drownyard Temple
7.5%inclusion3 decks40 decks
6%synergy
Homeward Path
7.5%inclusion3 decks40 decks
6%synergy
Barren Moor
5.0%inclusion2 decks40 decks
0%synergy
Isolated Watchtower
5.0%inclusion2 decks40 decks
5%synergy
Forgotten Cave
5.0%inclusion2 decks40 decks
0%synergy
Crystal Vein
5.0%inclusion2 decks40 decks
4%synergy
High Market
5.0%inclusion2 decks40 decks
1%synergy
Castle Embereth
5.0%inclusion2 decks40 decks
2%synergy
Peat Bog
5.0%inclusion2 decks40 decks
4%synergy
Castle Locthwain
5.0%inclusion2 decks40 decks
-1%synergy
Sokenzan, Crucible of Defiance
5.0%inclusion2 decks40 decks
1%synergy
Strip Mine
5.0%inclusion2 decks40 decks
4%synergy
City of Traitors
5.0%inclusion2 decks40 decks
3%synergy
Den of the Bugbear
5.0%inclusion2 decks40 decks
3%synergy
Field of Ruin
5.0%inclusion2 decks40 decks
4%synergy
Mana Artifacts
Sol Ring
90%inclusion36 decks40 decks
4%synergy
Arcane Signet
57%inclusion23 decks40 decks
-24%synergy
Rakdos Signet
53%inclusion21 decks40 decks
-5%synergy
Talisman of Indulgence
48%inclusion19 decks40 decks
-8%synergy
Thran Turbine
33%inclusion13 decks40 decks
32%synergy
Lotus Petal
23%inclusion9 decks40 decks
15%synergy
Mox Amber
23%inclusion9 decks40 decks
18%synergy
Fellwar Stone
23%inclusion9 decks40 decks
-11%synergy
Mox Opal
18%inclusion7 decks40 decks
13%synergy
Grim Monolith
10%inclusion4 decks40 decks
8%synergy
Mind Stone
10%inclusion4 decks40 decks
-18%synergy
Mox Diamond
10%inclusion4 decks40 decks
6%synergy
Vessel of Endless Rest
7.5%inclusion3 decks40 decks
7%synergy
Springleaf Drum
7.5%inclusion3 decks40 decks
5%synergy
Cursed Mirror
5.0%inclusion2 decks40 decks
-6%synergy
Lion's Eye Diamond
5.0%inclusion2 decks40 decks
2%synergy
Lands
Swamp
98%inclusion39 decks40 decks
-0%synergy
Command Tower
95%inclusion38 decks40 decks
9%synergy
Mountain
95%inclusion38 decks40 decks
-2%synergy
Blood Crypt
68%inclusion27 decks40 decks
20%synergy
Sulfurous Springs
65%inclusion26 decks40 decks
17%synergy
Dragonskull Summit
63%inclusion25 decks40 decks
-2%synergy
Bloodstained Mire
60%inclusion24 decks40 decks
27%synergy
Graven Cairns
53%inclusion21 decks40 decks
20%synergy
Boggart Trawler
53%inclusion21 decks40 decks
45%synergy
Temple of Malice
53%inclusion21 decks40 decks
20%synergy
Luxury Suite
48%inclusion19 decks40 decks
9%synergy
Path of Ancestry
48%inclusion19 decks40 decks
31%synergy
Shadowblood Ridge
45%inclusion18 decks40 decks
10%synergy
Valakut Awakening
45%inclusion18 decks40 decks
37%synergy
Smoldering Marsh
40%inclusion16 decks40 decks
-24%synergy
Blightstep Pathway
38%inclusion15 decks40 decks
15%synergy
Crystal Grotto
38%inclusion15 decks40 decks
37%synergy
Pinnacle Monk
38%inclusion15 decks40 decks
30%synergy
Blazemire Verge
35%inclusion14 decks40 decks
4%synergy
Exotic Orchard
33%inclusion13 decks40 decks
2%synergy
Raucous Theater
28%inclusion11 decks40 decks
6%synergy
Tainted Peak
28%inclusion11 decks40 decks
-16%synergy
Haunted Ridge
28%inclusion11 decks40 decks
-9%synergy
Badlands
25%inclusion10 decks40 decks
12%synergy
Cavern of Souls
25%inclusion10 decks40 decks
20%synergy
The Grey Havens
25%inclusion10 decks40 decks
24%synergy
Auntie's Hovel
23%inclusion9 decks40 decks
21%synergy
Polluted Delta
23%inclusion9 decks40 decks
15%synergy
Opal Palace
20%inclusion8 decks40 decks
19%synergy
Gemstone Caverns
20%inclusion8 decks40 decks
15%synergy
City of Brass
20%inclusion8 decks40 decks
14%synergy
Rumble Arena
19%inclusion6 decks31 decks
19%synergy
Blackcleave Cliffs
18%inclusion7 decks40 decks
-3%synergy
Foreboding Ruins
18%inclusion7 decks40 decks
-28%synergy
Scalding Tarn
18%inclusion7 decks40 decks
10%synergy
Marsh Flats
18%inclusion7 decks40 decks
10%synergy
Rakdos Carnarium
15%inclusion6 decks40 decks
-16%synergy
Mount Doom
15%inclusion6 decks40 decks
-1%synergy
Arid Mesa
15%inclusion6 decks40 decks
7%synergy
Myriad Landscape
13%inclusion5 decks40 decks
-5%synergy
Blackbloom Rogue
13%inclusion5 decks40 decks
12%synergy
Agadeem's Awakening
13%inclusion5 decks40 decks
9%synergy
Wooded Foothills
13%inclusion5 decks40 decks
5%synergy
Secluded Courtyard
13%inclusion5 decks40 decks
10%synergy
Malakir Rebirth
13%inclusion5 decks40 decks
-3%synergy
Mana Confluence
13%inclusion5 decks40 decks
7%synergy
Fell the Profane
10%inclusion4 decks40 decks
-3%synergy
Terramorphic Expanse
10%inclusion4 decks40 decks
-5%synergy
Canyon Slough
10%inclusion4 decks40 decks
-10%synergy
Verdant Catacombs
10%inclusion4 decks40 decks
3%synergy
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