Grenzo, Dungeon Warden (Commander) - Optimized Combo

Grenzo, Dungeon Warden
Rank #538
35decks
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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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Enchantments
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Utility Lands
Mana Artifacts
Lands
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Sundering Archaic
15%inclusion2 decks13 decks
15%synergy
Relic Retriever
14%inclusion2 decks14 decks
14%synergy
Grave Researcher
7.1%inclusion1 decks14 decks
4%synergy
Spirit of Resilience
7.1%inclusion1 decks14 decks
7%synergy
Garrison Excavator
7.1%inclusion1 decks14 decks
7%synergy
High Synergy Cards
Murderous Redcap
89%inclusion31 decks35 decks
85%synergy
Kiki-Jiki, Mirror Breaker
83%inclusion29 decks35 decks
79%synergy
Goblin Engineer
80%inclusion28 decks35 decks
76%synergy
Priest of Gix
77%inclusion27 decks35 decks
75%synergy
Skirk Prospector
77%inclusion27 decks35 decks
72%synergy
Priest of Urabrask
74%inclusion26 decks35 decks
72%synergy
Metallic Mimic
69%inclusion24 decks35 decks
67%synergy
Barkform Harvester
66%inclusion23 decks35 decks
65%synergy
Ashnod's Altar
74%inclusion26 decks35 decks
64%synergy
Heartstone
66%inclusion23 decks35 decks
64%synergy
Top Cards
Goblin Matron
66%inclusion23 decks35 decks
63%synergy
Sling-Gang Lieutenant
66%inclusion23 decks35 decks
63%synergy
Workhorse
63%inclusion22 decks35 decks
62%synergy
Tomb Trawler
63%inclusion22 decks35 decks
62%synergy
The Cauldron of Eternity
60%inclusion21 decks35 decks
59%synergy
Viscera Seer
60%inclusion21 decks35 decks
51%synergy
Pitiless Plunderer
57%inclusion20 decks35 decks
44%synergy
Siege-Gang Commander
57%inclusion20 decks35 decks
54%synergy
Woe Strider
54%inclusion19 decks35 decks
52%synergy
Doomsday
54%inclusion19 decks35 decks
54%synergy
Game Changers
Ancient Tomb
37%inclusion13 decks35 decks
28%synergy
Demonic Tutor
34%inclusion12 decks35 decks
17%synergy
Gamble
26%inclusion9 decks35 decks
16%synergy
Vampiric Tutor
26%inclusion9 decks35 decks
12%synergy
Jeska's Will
23%inclusion8 decks35 decks
0%synergy
Mana Vault
23%inclusion8 decks35 decks
18%synergy
Orcish Bowmasters
23%inclusion8 decks35 decks
12%synergy
Chrome Mox
23%inclusion8 decks35 decks
17%synergy
Opposition Agent
20%inclusion7 decks35 decks
15%synergy
Imperial Seal
14%inclusion5 decks35 decks
9%synergy
Creatures
Hoverstone Pilgrim
51%inclusion18 decks35 decks
51%synergy
Goblin Welder
51%inclusion18 decks35 decks
49%synergy
Warren Soultrader
51%inclusion18 decks35 decks
44%synergy
Boggart Trawler
49%inclusion17 decks35 decks
42%synergy
Pawn of Ulamog
49%inclusion17 decks35 decks
46%synergy
Zealous Conscripts
46%inclusion16 decks35 decks
44%synergy
Palladium Myr
46%inclusion16 decks35 decks
45%synergy
Meteor Golem
46%inclusion16 decks35 decks
43%synergy
Leaden Myr
46%inclusion16 decks35 decks
44%synergy
Goblin Trashmaster
43%inclusion15 decks35 decks
41%synergy
Imperial Recruiter
43%inclusion15 decks35 decks
39%synergy
Solemn Simulacrum
40%inclusion14 decks35 decks
20%synergy
Ornithopter of Paradise
40%inclusion14 decks35 decks
36%synergy
Zulaport Cutthroat
40%inclusion14 decks35 decks
32%synergy
Ravenous Chupacabra
40%inclusion14 decks35 decks
38%synergy
Bronze Walrus
37%inclusion13 decks35 decks
37%synergy
Krenko, Mob Boss
37%inclusion13 decks35 decks
33%synergy
Iron Myr
37%inclusion13 decks35 decks
35%synergy
Hexing Squelcher
35%inclusion8 decks23 decks
21%synergy
Emrakul's Hatcher
34%inclusion12 decks35 decks
34%synergy
Treasonous Ogre
34%inclusion12 decks35 decks
31%synergy
Duplicant
34%inclusion12 decks35 decks
34%synergy
Pinnacle Monk
34%inclusion12 decks35 decks
27%synergy
Chainer, Nightmare Adept
31%inclusion11 decks35 decks
24%synergy
Gray Merchant of Asphodel
31%inclusion11 decks35 decks
21%synergy
Goblin Recruiter
31%inclusion11 decks35 decks
30%synergy
Mad Auntie
31%inclusion11 decks35 decks
29%synergy
Conspicuous Snoop
31%inclusion11 decks35 decks
30%synergy
Murderous Rider
29%inclusion10 decks35 decks
27%synergy
Goblin Sharpshooter
29%inclusion10 decks35 decks
27%synergy
Epitaph Golem
29%inclusion10 decks35 decks
28%synergy
Anger
29%inclusion10 decks35 decks
16%synergy
Blood Artist
26%inclusion9 decks35 decks
7%synergy
Goblin Warchief
26%inclusion9 decks35 decks
23%synergy
Boggart Harbinger
26%inclusion9 decks35 decks
24%synergy
Warteye Witch
26%inclusion9 decks35 decks
25%synergy
Mogg War Marshal
26%inclusion9 decks35 decks
24%synergy
Treasure Nabber
23%inclusion8 decks35 decks
19%synergy
Goblin Chieftain
23%inclusion8 decks35 decks
21%synergy
Mayhem Devil
23%inclusion8 decks35 decks
-1%synergy
Primaris Eliminator
23%inclusion8 decks35 decks
23%synergy
Pashalik Mons
23%inclusion8 decks35 decks
21%synergy
Myr Retriever
23%inclusion8 decks35 decks
21%synergy
Junk Diver
20%inclusion7 decks35 decks
19%synergy
Grim Servant
20%inclusion7 decks35 decks
19%synergy
Plaguecrafter
20%inclusion7 decks35 decks
15%synergy
Simian Spirit Guide
20%inclusion7 decks35 decks
14%synergy
Goblin Marshal
20%inclusion7 decks35 decks
20%synergy
Junktroller
20%inclusion7 decks35 decks
19%synergy
Marionette Apprentice
20%inclusion7 decks35 decks
11%synergy
Instants
Dark Ritual
43%inclusion15 decks35 decks
1%synergy
Valakut Awakening
43%inclusion15 decks35 decks
35%synergy
Volcanic Spite
29%inclusion10 decks35 decks
28%synergy
Deflecting Swat
23%inclusion8 decks35 decks
2%synergy
Chaos Warp
20%inclusion7 decks35 decks
-27%synergy
Fire Prophecy
20%inclusion7 decks35 decks
19%synergy
Red Elemental Blast
20%inclusion7 decks35 decks
11%synergy
Entomb
17%inclusion6 decks35 decks
10%synergy
Cabal Ritual
17%inclusion6 decks35 decks
9%synergy
Culling the Weak
17%inclusion6 decks35 decks
11%synergy
Burnt Offering
17%inclusion6 decks35 decks
12%synergy
Abrade
17%inclusion6 decks35 decks
-4%synergy
Fire Covenant
14%inclusion5 decks35 decks
8%synergy
Deadly Rollick
14%inclusion5 decks35 decks
-7%synergy
Thrill of Possibility
14%inclusion5 decks35 decks
-4%synergy
Terminate
14%inclusion5 decks35 decks
-25%synergy
Bedevil
14%inclusion5 decks35 decks
-20%synergy
Manhole Missile
13%inclusion2 decks15 decks
13%synergy
Imp's Mischief
11%inclusion4 decks35 decks
2%synergy
Ad Nauseam
11%inclusion4 decks35 decks
9%synergy
Malakir Rebirth
11%inclusion4 decks35 decks
-4%synergy
Pyroblast
11%inclusion4 decks35 decks
3%synergy
Saw in Half
11%inclusion4 decks35 decks
0%synergy
Hagra Mauling
8.6%inclusion3 decks35 decks
6%synergy
Fell the Profane
8.6%inclusion3 decks35 decks
-4%synergy
Untimely Malfunction
8.6%inclusion3 decks35 decks
-10%synergy
Rakdos Charm
8.6%inclusion3 decks35 decks
-35%synergy
Seething Song
8.6%inclusion3 decks35 decks
-3%synergy
Tibalt's Trickery
8.6%inclusion3 decks35 decks
-4%synergy
Redirect Lightning
6.9%inclusion2 decks29 decks
-3%synergy
Plunge into Darkness
5.7%inclusion2 decks35 decks
5%synergy
Desperate Ritual
5.7%inclusion2 decks35 decks
1%synergy
Village Rites
5.7%inclusion2 decks35 decks
-10%synergy
Lightning Bolt
5.7%inclusion2 decks35 decks
-13%synergy
Deadly Dispute
5.7%inclusion2 decks35 decks
-21%synergy
Pyretic Ritual
5.7%inclusion2 decks35 decks
0%synergy
Rain of Filth
5.7%inclusion2 decks35 decks
5%synergy
Flare of Duplication
5.7%inclusion2 decks35 decks
1%synergy
Dismember
5.7%inclusion2 decks35 decks
2%synergy
Withering Torment
5.7%inclusion2 decks35 decks
-16%synergy
Sorceries
Faithless Looting
26%inclusion9 decks35 decks
-2%synergy
Into the Fire
26%inclusion9 decks35 decks
25%synergy
Read the Bones
23%inclusion8 decks35 decks
11%synergy
Diabolic Intent
14%inclusion5 decks35 decks
6%synergy
Dread Return
14%inclusion5 decks35 decks
10%synergy
Agadeem's Awakening
14%inclusion5 decks35 decks
11%synergy
Feed the Swarm
14%inclusion5 decks35 decks
-27%synergy
Rite of Flame
14%inclusion5 decks35 decks
9%synergy
Grim Tutor
14%inclusion5 decks35 decks
10%synergy
Victimize
11%inclusion4 decks35 decks
-3%synergy
Blasphemous Act
11%inclusion4 decks35 decks
-39%synergy
Buried Alive
11%inclusion4 decks35 decks
6%synergy
Insatiable Avarice
11%inclusion4 decks35 decks
7%synergy
Sundering Eruption
11%inclusion4 decks35 decks
7%synergy
Beseech the Mirror
11%inclusion4 decks35 decks
8%synergy
Grub's Command
8.7%inclusion2 decks23 decks
5%synergy
Lively Dirge
8.6%inclusion3 decks35 decks
6%synergy
Diabolic Tutor
8.6%inclusion3 decks35 decks
3%synergy
Peer into the Abyss
8.6%inclusion3 decks35 decks
5%synergy
Reanimate
8.6%inclusion3 decks35 decks
-14%synergy
Toxic Deluge
8.6%inclusion3 decks35 decks
-9%synergy
Cruel Tutor
8.6%inclusion3 decks35 decks
8%synergy
Sozin's Comet
7.4%inclusion2 decks27 decks
4%synergy
Infernal Plunge
5.7%inclusion2 decks35 decks
3%synergy
Unmarked Grave
5.7%inclusion2 decks35 decks
3%synergy
Patriarch's Bidding
5.7%inclusion2 decks35 decks
3%synergy
Profane Tutor
5.7%inclusion2 decks35 decks
4%synergy
Yawgmoth's Will
5.7%inclusion2 decks35 decks
4%synergy
Vandalblast
5.7%inclusion2 decks35 decks
-25%synergy
Praetor's Grasp
5.7%inclusion2 decks35 decks
3%synergy
Scheming Symmetry
5.7%inclusion2 decks35 decks
4%synergy
Twinflame
5.7%inclusion2 decks35 decks
0%synergy
Living Death
5.7%inclusion2 decks35 decks
2%synergy
Wheel of Fortune
5.7%inclusion2 decks35 decks
0%synergy
Overmaster
5.7%inclusion2 decks35 decks
4%synergy
Dimir Machinations
5.7%inclusion2 decks35 decks
6%synergy
Utility Artifacts
Tel-Jilad Stylus
51%inclusion18 decks35 decks
51%synergy
Lightning Greaves
26%inclusion9 decks35 decks
-9%synergy
Teferi's Puzzle Box
20%inclusion7 decks35 decks
19%synergy
Skullclamp
20%inclusion7 decks35 decks
10%synergy
Phyrexian Altar
20%inclusion7 decks35 decks
14%synergy
Nim Deathmantle
17%inclusion6 decks35 decks
16%synergy
Wishclaw Talisman
17%inclusion6 decks35 decks
11%synergy
Soldevi Digger
17%inclusion6 decks35 decks
17%synergy
Crystal Ball
14%inclusion5 decks35 decks
14%synergy
Thornbite Staff
14%inclusion5 decks35 decks
14%synergy
Reito Lantern
14%inclusion5 decks35 decks
14%synergy
Desecrated Tomb
11%inclusion4 decks35 decks
11%synergy
Illusionist's Bracers
11%inclusion4 decks35 decks
11%synergy
Defense Grid
11%inclusion4 decks35 decks
10%synergy
Swiftfoot Boots
11%inclusion4 decks35 decks
-20%synergy
Palantír of Orthanc
8.6%inclusion3 decks35 decks
7%synergy
Goblin Charbelcher
8.6%inclusion3 decks35 decks
8%synergy
Grinding Station
5.7%inclusion2 decks35 decks
4%synergy
Sensei's Divining Top
5.7%inclusion2 decks35 decks
0%synergy
Genesis Chamber
5.7%inclusion2 decks35 decks
5%synergy
Bolas's Citadel
5.7%inclusion2 decks35 decks
-4%synergy
The One Ring
5.7%inclusion2 decks35 decks
-2%synergy
Darksteel Pendant
5.7%inclusion2 decks35 decks
5%synergy
Conjurer's Bauble
5.7%inclusion2 decks35 decks
6%synergy
Krark-Clan Ironworks
5.7%inclusion2 decks35 decks
5%synergy
Cloak and Dagger
5.7%inclusion2 decks35 decks
5%synergy
Mazemind Tome
5.7%inclusion2 decks35 decks
6%synergy
Altar of Dementia
5.7%inclusion2 decks35 decks
4%synergy
Basilisk Collar
5.7%inclusion2 decks35 decks
-5%synergy
Enchantments
Goblin Bombardment
29%inclusion10 decks35 decks
19%synergy
Mana Echoes
17%inclusion6 decks35 decks
17%synergy
Underworld Breach
14%inclusion5 decks35 decks
7%synergy
Braid of Fire
14%inclusion5 decks35 decks
12%synergy
Animate Dead
14%inclusion5 decks35 decks
5%synergy
Boggart Mischief
8.7%inclusion2 decks23 decks
4%synergy
Necropotence
8.6%inclusion3 decks35 decks
3%synergy
Ripples of Undeath
5.7%inclusion2 decks35 decks
3%synergy
Mindmoil
5.7%inclusion2 decks35 decks
6%synergy
Necromancy
5.7%inclusion2 decks35 decks
3%synergy
Impact Tremors
5.7%inclusion2 decks35 decks
-6%synergy
Shared Animosity
5.7%inclusion2 decks35 decks
2%synergy
Shadows of the Past
5.7%inclusion2 decks35 decks
5%synergy
Phyrexian Arena
5.7%inclusion2 decks35 decks
-18%synergy
Planeswalkers
Daretti, Scrap Savant
8.6%inclusion3 decks35 decks
6%synergy
Utility Lands
Buried Ruin
40%inclusion14 decks35 decks
36%synergy
Zhalfirin Void
37%inclusion13 decks35 decks
36%synergy
Phyrexian Tower
37%inclusion13 decks35 decks
27%synergy
Great Furnace
34%inclusion12 decks35 decks
28%synergy
Vault of Whispers
31%inclusion11 decks35 decks
25%synergy
Urborg, Tomb of Yawgmoth
29%inclusion10 decks35 decks
10%synergy
Bojuka Bog
26%inclusion9 decks35 decks
-10%synergy
Takenuma, Abandoned Mire
20%inclusion7 decks35 decks
11%synergy
Urza's Saga
14%inclusion5 decks35 decks
8%synergy
Nykthos, Shrine to Nyx
14%inclusion5 decks35 decks
12%synergy
Inventors' Fair
14%inclusion5 decks35 decks
13%synergy
Three Tree City
14%inclusion5 decks35 decks
11%synergy
Spinerock Knoll
11%inclusion4 decks35 decks
2%synergy
Cabal Coffers
8.6%inclusion3 decks35 decks
-1%synergy
Drownyard Temple
8.6%inclusion3 decks35 decks
7%synergy
Homeward Path
8.6%inclusion3 decks35 decks
7%synergy
Barren Moor
5.7%inclusion2 decks35 decks
1%synergy
Isolated Watchtower
5.7%inclusion2 decks35 decks
6%synergy
Forgotten Cave
5.7%inclusion2 decks35 decks
1%synergy
High Market
5.7%inclusion2 decks35 decks
2%synergy
Peat Bog
5.7%inclusion2 decks35 decks
5%synergy
Castle Locthwain
5.7%inclusion2 decks35 decks
0%synergy
City of Traitors
5.7%inclusion2 decks35 decks
4%synergy
Den of the Bugbear
5.7%inclusion2 decks35 decks
4%synergy
Mana Artifacts
Sol Ring
89%inclusion31 decks35 decks
3%synergy
Arcane Signet
51%inclusion18 decks35 decks
-30%synergy
Rakdos Signet
51%inclusion18 decks35 decks
-6%synergy
Talisman of Indulgence
46%inclusion16 decks35 decks
-10%synergy
Thran Turbine
34%inclusion12 decks35 decks
34%synergy
Fellwar Stone
23%inclusion8 decks35 decks
-11%synergy
Lotus Petal
20%inclusion7 decks35 decks
12%synergy
Mox Amber
20%inclusion7 decks35 decks
16%synergy
Mox Opal
17%inclusion6 decks35 decks
13%synergy
Mox Diamond
11%inclusion4 decks35 decks
8%synergy
Grim Monolith
8.6%inclusion3 decks35 decks
7%synergy
Vessel of Endless Rest
5.7%inclusion2 decks35 decks
6%synergy
Springleaf Drum
5.7%inclusion2 decks35 decks
4%synergy
Victory Chimes
5.7%inclusion2 decks35 decks
5%synergy
Mind Stone
5.7%inclusion2 decks35 decks
-23%synergy
Lands
Swamp
97%inclusion34 decks35 decks
-1%synergy
Command Tower
94%inclusion33 decks35 decks
8%synergy
Mountain
94%inclusion33 decks35 decks
-3%synergy
Sulfurous Springs
69%inclusion24 decks35 decks
21%synergy
Blood Crypt
66%inclusion23 decks35 decks
19%synergy
Dragonskull Summit
66%inclusion23 decks35 decks
2%synergy
Temple of Malice
57%inclusion20 decks35 decks
24%synergy
Graven Cairns
54%inclusion19 decks35 decks
23%synergy
Bloodstained Mire
54%inclusion19 decks35 decks
21%synergy
Boggart Trawler
49%inclusion17 decks35 decks
42%synergy
Luxury Suite
49%inclusion17 decks35 decks
11%synergy
Path of Ancestry
49%inclusion17 decks35 decks
32%synergy
Shadowblood Ridge
46%inclusion16 decks35 decks
11%synergy
Valakut Awakening
43%inclusion15 decks35 decks
35%synergy
Crystal Grotto
40%inclusion14 decks35 decks
39%synergy
Smoldering Marsh
37%inclusion13 decks35 decks
-26%synergy
Blightstep Pathway
37%inclusion13 decks35 decks
15%synergy
Exotic Orchard
34%inclusion12 decks35 decks
3%synergy
Pinnacle Monk
34%inclusion12 decks35 decks
27%synergy
Blazemire Verge
31%inclusion11 decks35 decks
1%synergy
Raucous Theater
29%inclusion10 decks35 decks
7%synergy
The Grey Havens
29%inclusion10 decks35 decks
28%synergy
Tainted Peak
29%inclusion10 decks35 decks
-14%synergy
Haunted Ridge
29%inclusion10 decks35 decks
-7%synergy
Auntie's Hovel
26%inclusion9 decks35 decks
24%synergy
Cavern of Souls
26%inclusion9 decks35 decks
21%synergy
Gemstone Caverns
23%inclusion8 decks35 decks
18%synergy
Badlands
20%inclusion7 decks35 decks
7%synergy
Blackcleave Cliffs
20%inclusion7 decks35 decks
0%synergy
Foreboding Ruins
20%inclusion7 decks35 decks
-26%synergy
Opal Palace
20%inclusion7 decks35 decks
19%synergy
Rumble Arena
19%inclusion5 decks26 decks
19%synergy
Rakdos Carnarium
17%inclusion6 decks35 decks
-14%synergy
Marsh Flats
17%inclusion6 decks35 decks
9%synergy
Polluted Delta
17%inclusion6 decks35 decks
9%synergy
City of Brass
17%inclusion6 decks35 decks
11%synergy
Myriad Landscape
14%inclusion5 decks35 decks
-3%synergy
Agadeem's Awakening
14%inclusion5 decks35 decks
11%synergy
Mount Doom
14%inclusion5 decks35 decks
-2%synergy
Arid Mesa
14%inclusion5 decks35 decks
6%synergy
Scalding Tarn
14%inclusion5 decks35 decks
7%synergy
Terramorphic Expanse
11%inclusion4 decks35 decks
-4%synergy
Blackbloom Rogue
11%inclusion4 decks35 decks
11%synergy
Secluded Courtyard
11%inclusion4 decks35 decks
9%synergy
Malakir Rebirth
11%inclusion4 decks35 decks
-4%synergy
Evolving Wilds
11%inclusion4 decks35 decks
-9%synergy
Sundering Eruption
11%inclusion4 decks35 decks
7%synergy
Mana Confluence
11%inclusion4 decks35 decks
6%synergy
Hagra Mauling
8.6%inclusion3 decks35 decks
6%synergy
Fell the Profane
8.6%inclusion3 decks35 decks
-4%synergy
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