Grenzo, Dungeon Warden (Commander) - Optimized

Grenzo, Dungeon Warden
Rank #551
198decks
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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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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Blazing Firesinger
11%inclusion4 decks36 decks
10%synergy
Sundering Archaic
5.4%inclusion2 decks37 decks
5%synergy
Goblin Glasswright
2.8%inclusion1 decks36 decks
2%synergy
Rubble Rouser
2.8%inclusion1 decks36 decks
2%synergy
Relic Retriever
2.3%inclusion1 decks43 decks
2%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
77%inclusion152 decks198 decks
72%synergy
Murderous Redcap
73%inclusion145 decks198 decks
70%synergy
Skirk Prospector
73%inclusion145 decks198 decks
69%synergy
Heartstone
67%inclusion133 decks198 decks
65%synergy
Priest of Urabrask
65%inclusion129 decks198 decks
63%synergy
Ashnod's Altar
73%inclusion144 decks198 decks
62%synergy
Sling-Gang Lieutenant
65%inclusion128 decks198 decks
62%synergy
Workhorse
62%inclusion123 decks198 decks
61%synergy
Priest of Gix
61%inclusion121 decks198 decks
59%synergy
Goblin Matron
61%inclusion121 decks198 decks
58%synergy
Top Cards
Viscera Seer
62%inclusion123 decks198 decks
53%synergy
Siege-Gang Commander
61%inclusion120 decks198 decks
57%synergy
Barkform Harvester
58%inclusion114 decks198 decks
57%synergy
Pitiless Plunderer
57%inclusion113 decks198 decks
44%synergy
The Cauldron of Eternity
56%inclusion111 decks198 decks
55%synergy
Goblin Engineer
55%inclusion109 decks198 decks
51%synergy
Metallic Mimic
54%inclusion107 decks198 decks
52%synergy
Tomb Trawler
54%inclusion107 decks198 decks
53%synergy
Tel-Jilad Stylus
51%inclusion101 decks198 decks
50%synergy
Goblin Welder
47%inclusion94 decks198 decks
45%synergy
Game Changers
Demonic Tutor
41%inclusion81 decks198 decks
23%synergy
Ancient Tomb
37%inclusion73 decks198 decks
28%synergy
Vampiric Tutor
35%inclusion70 decks198 decks
22%synergy
Gamble
29%inclusion57 decks198 decks
19%synergy
Jeska's Will
27%inclusion53 decks198 decks
3%synergy
Chrome Mox
21%inclusion42 decks198 decks
16%synergy
Mana Vault
18%inclusion36 decks198 decks
13%synergy
Orcish Bowmasters
18%inclusion36 decks198 decks
8%synergy
Opposition Agent
16%inclusion32 decks198 decks
11%synergy
Imperial Seal
14%inclusion27 decks198 decks
9%synergy
Creatures
Zealous Conscripts
46%inclusion92 decks198 decks
44%synergy
Hoverstone Pilgrim
46%inclusion92 decks198 decks
46%synergy
Krenko, Mob Boss
46%inclusion91 decks198 decks
42%synergy
Warren Soultrader
44%inclusion88 decks198 decks
37%synergy
Pawn of Ulamog
44%inclusion87 decks198 decks
41%synergy
Imperial Recruiter
43%inclusion85 decks198 decks
39%synergy
Zulaport Cutthroat
42%inclusion84 decks198 decks
34%synergy
Solemn Simulacrum
36%inclusion71 decks198 decks
16%synergy
Woe Strider
36%inclusion71 decks198 decks
33%synergy
Gray Merchant of Asphodel
35%inclusion70 decks198 decks
25%synergy
Boggart Trawler
35%inclusion70 decks198 decks
28%synergy
Palladium Myr
34%inclusion68 decks198 decks
33%synergy
Blood Artist
33%inclusion66 decks198 decks
15%synergy
Treasonous Ogre
33%inclusion65 decks198 decks
30%synergy
Goblin Recruiter
32%inclusion63 decks198 decks
30%synergy
Mad Auntie
32%inclusion63 decks198 decks
30%synergy
Meteor Golem
32%inclusion63 decks198 decks
29%synergy
Conspicuous Snoop
32%inclusion63 decks198 decks
30%synergy
Epitaph Golem
31%inclusion62 decks198 decks
31%synergy
Goblin Warchief
31%inclusion61 decks198 decks
28%synergy
Anger
31%inclusion61 decks198 decks
18%synergy
Goblin Chieftain
30%inclusion60 decks198 decks
28%synergy
Hexing Squelcher
30%inclusion28 decks93 decks
16%synergy
Leaden Myr
29%inclusion58 decks198 decks
27%synergy
Goblin Trashmaster
29%inclusion57 decks198 decks
27%synergy
Iron Myr
29%inclusion57 decks198 decks
26%synergy
Emrakul's Hatcher
28%inclusion55 decks198 decks
27%synergy
Pinnacle Monk
26%inclusion52 decks198 decks
19%synergy
Chainer, Nightmare Adept
26%inclusion51 decks198 decks
18%synergy
Junktroller
26%inclusion51 decks198 decks
25%synergy
Ravenous Chupacabra
25%inclusion50 decks198 decks
23%synergy
Boggart Harbinger
25%inclusion49 decks198 decks
23%synergy
Duplicant
24%inclusion48 decks198 decks
24%synergy
Beetleback Chief
24%inclusion47 decks198 decks
22%synergy
Pashalik Mons
24%inclusion47 decks198 decks
22%synergy
Goblin Sharpshooter
23%inclusion46 decks198 decks
22%synergy
Ornithopter of Paradise
22%inclusion44 decks198 decks
19%synergy
Mogg War Marshal
21%inclusion41 decks198 decks
19%synergy
Marionette Master
21%inclusion41 decks198 decks
15%synergy
Boggart Cursecrafter
20%inclusion18 decks91 decks
15%synergy
Bronze Walrus
20%inclusion39 decks198 decks
19%synergy
Clone Shell
20%inclusion39 decks198 decks
19%synergy
Munitions Expert
20%inclusion39 decks198 decks
18%synergy
Goblin King
19%inclusion38 decks198 decks
18%synergy
Goblin Chirurgeon
19%inclusion38 decks198 decks
18%synergy
Simian Spirit Guide
19%inclusion37 decks198 decks
13%synergy
Crypt Ghast
18%inclusion36 decks198 decks
16%synergy
Murderous Rider
18%inclusion35 decks198 decks
16%synergy
Putrid Goblin
18%inclusion35 decks198 decks
16%synergy
Warteye Witch
18%inclusion35 decks198 decks
17%synergy
Instants
Valakut Awakening
49%inclusion97 decks198 decks
41%synergy
Dark Ritual
45%inclusion89 decks198 decks
3%synergy
Deflecting Swat
27%inclusion54 decks198 decks
6%synergy
Fire Prophecy
27%inclusion54 decks198 decks
27%synergy
Chaos Warp
25%inclusion49 decks198 decks
-23%synergy
Deadly Rollick
20%inclusion40 decks198 decks
-1%synergy
Red Elemental Blast
20%inclusion40 decks198 decks
11%synergy
Terminate
20%inclusion39 decks198 decks
-20%synergy
Volcanic Spite
18%inclusion36 decks198 decks
18%synergy
Entomb
18%inclusion35 decks198 decks
11%synergy
Culling the Weak
17%inclusion33 decks198 decks
11%synergy
Pyroblast
15%inclusion29 decks198 decks
6%synergy
Rakdos Charm
12%inclusion24 decks198 decks
-32%synergy
Cabal Ritual
12%inclusion23 decks198 decks
3%synergy
Bedevil
12%inclusion23 decks198 decks
-23%synergy
Malakir Rebirth
12%inclusion23 decks198 decks
-4%synergy
Brightstone Ritual
11%inclusion22 decks198 decks
10%synergy
Imp's Mischief
10%inclusion19 decks198 decks
1%synergy
Burnt Offering
10%inclusion19 decks198 decks
4%synergy
Abrade
10%inclusion19 decks198 decks
-12%synergy
Fell the Profane
9.1%inclusion18 decks198 decks
-3%synergy
Tibalt's Trickery
8.6%inclusion17 decks198 decks
-4%synergy
Battle Hymn
8.6%inclusion17 decks198 decks
7%synergy
Dismember
8.6%inclusion17 decks198 decks
5%synergy
Thrill of Possibility
8.1%inclusion16 decks198 decks
-10%synergy
Saw in Half
8.1%inclusion16 decks198 decks
-3%synergy
Redirect Lightning
8.0%inclusion11 decks137 decks
-1%synergy
Lightning Bolt
7.6%inclusion15 decks198 decks
-11%synergy
First Day of Class
7.6%inclusion15 decks198 decks
7%synergy
Village Rites
7.1%inclusion14 decks198 decks
-8%synergy
Untimely Malfunction
6.6%inclusion13 decks197 decks
-12%synergy
Withering Torment
6.1%inclusion12 decks197 decks
-16%synergy
Fire Covenant
6.1%inclusion12 decks198 decks
0%synergy
Seething Song
6.1%inclusion12 decks198 decks
-5%synergy
Ad Nauseam
6.1%inclusion12 decks198 decks
4%synergy
Sorceries
Doomsday
33%inclusion65 decks198 decks
32%synergy
Faithless Looting
22%inclusion44 decks198 decks
-6%synergy
Diabolic Intent
21%inclusion41 decks198 decks
12%synergy
Read the Bones
17%inclusion34 decks198 decks
5%synergy
Blasphemous Act
17%inclusion33 decks198 decks
-34%synergy
Toxic Deluge
16%inclusion32 decks198 decks
-2%synergy
Feed the Swarm
15%inclusion30 decks198 decks
-26%synergy
Into the Fire
15%inclusion30 decks198 decks
14%synergy
Reanimate
15%inclusion29 decks198 decks
-8%synergy
Vandalblast
13%inclusion25 decks198 decks
-18%synergy
Agadeem's Awakening
12%inclusion24 decks198 decks
9%synergy
Dread Return
12%inclusion23 decks198 decks
7%synergy
Buried Alive
11%inclusion21 decks198 decks
6%synergy
Wheel of Fortune
9.1%inclusion18 decks198 decks
3%synergy
Beseech the Mirror
8.6%inclusion17 decks198 decks
5%synergy
Grim Tutor
8.6%inclusion17 decks198 decks
4%synergy
Diabolic Tutor
8.1%inclusion16 decks198 decks
2%synergy
Victimize
7.6%inclusion15 decks198 decks
-7%synergy
Living Death
7.1%inclusion14 decks198 decks
3%synergy
Rite of Flame
6.6%inclusion13 decks198 decks
2%synergy
Unearth
6.1%inclusion12 decks198 decks
1%synergy
Twinflame
5.6%inclusion11 decks198 decks
0%synergy
Mana Geyser
5.6%inclusion11 decks198 decks
-7%synergy
Grub's Command
5.4%inclusion5 decks93 decks
2%synergy
Praetor's Grasp
5.1%inclusion10 decks198 decks
2%synergy
Insatiable Avarice
5.1%inclusion10 decks198 decks
1%synergy
Shatterskull Smashing
5.1%inclusion10 decks198 decks
2%synergy
Utility Artifacts
Teferi's Puzzle Box
24%inclusion48 decks198 decks
24%synergy
Lightning Greaves
24%inclusion48 decks198 decks
-11%synergy
Skullclamp
22%inclusion44 decks198 decks
12%synergy
Phyrexian Altar
20%inclusion40 decks198 decks
14%synergy
Reito Lantern
15%inclusion30 decks198 decks
15%synergy
Nim Deathmantle
15%inclusion29 decks198 decks
14%synergy
Thornbite Staff
14%inclusion28 decks198 decks
14%synergy
Swiftfoot Boots
14%inclusion28 decks198 decks
-17%synergy
Wishclaw Talisman
13%inclusion26 decks198 decks
7%synergy
Crystal Ball
13%inclusion25 decks198 decks
12%synergy
Cloak and Dagger
13%inclusion25 decks198 decks
12%synergy
Darksteel Pendant
12%inclusion23 decks198 decks
11%synergy
Soldevi Digger
12%inclusion23 decks198 decks
12%synergy
The One Ring
10%inclusion20 decks198 decks
3%synergy
Desecrated Tomb
10%inclusion19 decks198 decks
9%synergy
Sensei's Divining Top
7.6%inclusion15 decks198 decks
2%synergy
Illusionist's Bracers
7.1%inclusion14 decks198 decks
6%synergy
Bolas's Citadel
7.1%inclusion14 decks198 decks
-3%synergy
Conjurer's Bauble
6.6%inclusion13 decks198 decks
6%synergy
Planetarium of Wan Shi Tong
6.2%inclusion7 decks113 decks
6%synergy
Defense Grid
5.6%inclusion11 decks198 decks
4%synergy
Goblin Charbelcher
5.6%inclusion11 decks198 decks
5%synergy
Altar of Dementia
5.1%inclusion10 decks198 decks
3%synergy
Enchantments
Goblin Bombardment
32%inclusion64 decks198 decks
23%synergy
Impact Tremors
25%inclusion49 decks198 decks
13%synergy
Mana Echoes
21%inclusion41 decks198 decks
20%synergy
Braid of Fire
17%inclusion33 decks198 decks
15%synergy
Necropotence
13%inclusion26 decks198 decks
8%synergy
Animate Dead
12%inclusion24 decks198 decks
3%synergy
Underworld Breach
10%inclusion20 decks198 decks
3%synergy
Phyrexian Arena
9.1%inclusion18 decks198 decks
-15%synergy
Fires of Invention
7.1%inclusion14 decks198 decks
7%synergy
Mindmoil
7.1%inclusion14 decks198 decks
7%synergy
Blood Moon
6.6%inclusion13 decks198 decks
5%synergy
Boggart Mischief
6.5%inclusion6 decks93 decks
2%synergy
Thran Vigil
6.1%inclusion12 decks198 decks
5%synergy
Chthonian Nightmare
6.1%inclusion12 decks198 decks
4%synergy
Shared Animosity
5.1%inclusion10 decks198 decks
2%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
35%inclusion70 decks198 decks
17%synergy
Phyrexian Tower
31%inclusion62 decks198 decks
21%synergy
Zhalfirin Void
30%inclusion60 decks198 decks
29%synergy
Buried Ruin
27%inclusion54 decks198 decks
24%synergy
Great Furnace
27%inclusion54 decks198 decks
21%synergy
Vault of Whispers
26%inclusion51 decks198 decks
20%synergy
Bojuka Bog
21%inclusion42 decks198 decks
-14%synergy
Cabal Coffers
15%inclusion30 decks198 decks
6%synergy
Takenuma, Abandoned Mire
14%inclusion28 decks198 decks
6%synergy
Spinerock Knoll
14%inclusion27 decks198 decks
4%synergy
Nykthos, Shrine to Nyx
12%inclusion23 decks198 decks
10%synergy
Inventors' Fair
12%inclusion23 decks198 decks
10%synergy
Urza's Saga
11%inclusion22 decks198 decks
5%synergy
Three Tree City
8.1%inclusion16 decks198 decks
5%synergy
Drownyard Temple
6.6%inclusion13 decks198 decks
5%synergy
Temple of the False God
6.6%inclusion13 decks198 decks
-3%synergy
Castle Embereth
5.6%inclusion11 decks198 decks
3%synergy
Homeward Path
5.6%inclusion11 decks198 decks
4%synergy
Howltooth Hollow
5.1%inclusion10 decks198 decks
5%synergy
Darksteel Citadel
5.1%inclusion10 decks198 decks
1%synergy
Den of the Bugbear
5.1%inclusion10 decks198 decks
3%synergy
Mana Artifacts
Sol Ring
89%inclusion177 decks198 decks
3%synergy
Arcane Signet
55%inclusion108 decks198 decks
-27%synergy
Rakdos Signet
46%inclusion91 decks198 decks
-12%synergy
Talisman of Indulgence
35%inclusion69 decks198 decks
-20%synergy
Thran Turbine
29%inclusion57 decks198 decks
28%synergy
Fellwar Stone
23%inclusion45 decks198 decks
-11%synergy
Lotus Petal
18%inclusion36 decks198 decks
10%synergy
Mox Amber
14%inclusion28 decks198 decks
10%synergy
Mox Opal
12%inclusion23 decks198 decks
7%synergy
Mox Diamond
11%inclusion22 decks198 decks
7%synergy
Mind Stone
10%inclusion19 decks198 decks
-19%synergy
Springleaf Drum
6.6%inclusion13 decks198 decks
4%synergy
Lion's Eye Diamond
6.1%inclusion12 decks198 decks
3%synergy
Commander's Sphere
5.6%inclusion11 decks198 decks
-11%synergy
Lands
Swamp
95%inclusion188 decks198 decks
-3%synergy
Mountain
93%inclusion185 decks198 decks
-4%synergy
Command Tower
89%inclusion177 decks198 decks
3%synergy
Blood Crypt
67%inclusion132 decks198 decks
20%synergy
Dragonskull Summit
62%inclusion122 decks198 decks
-2%synergy
Sulfurous Springs
55%inclusion108 decks198 decks
7%synergy
Temple of Malice
54%inclusion106 decks198 decks
20%synergy
Luxury Suite
53%inclusion104 decks198 decks
14%synergy
Smoldering Marsh
51%inclusion100 decks198 decks
-13%synergy
Bloodstained Mire
50%inclusion99 decks198 decks
17%synergy
Valakut Awakening
49%inclusion97 decks198 decks
41%synergy
Graven Cairns
48%inclusion95 decks198 decks
17%synergy
Path of Ancestry
37%inclusion73 decks198 decks
21%synergy
Boggart Trawler
35%inclusion70 decks198 decks
28%synergy
Blightstep Pathway
32%inclusion64 decks198 decks
10%synergy
Tainted Peak
32%inclusion63 decks198 decks
-11%synergy
Foreboding Ruins
31%inclusion62 decks198 decks
-14%synergy
Haunted Ridge
30%inclusion60 decks198 decks
-6%synergy
Badlands
29%inclusion58 decks198 decks
16%synergy
Shadowblood Ridge
29%inclusion57 decks198 decks
-6%synergy
Pinnacle Monk
26%inclusion52 decks198 decks
19%synergy
Rakdos Carnarium
25%inclusion49 decks198 decks
-7%synergy
Blazemire Verge
24%inclusion48 decks197 decks
-6%synergy
Blackcleave Cliffs
24%inclusion48 decks198 decks
4%synergy
Crystal Grotto
23%inclusion46 decks198 decks
23%synergy
Exotic Orchard
22%inclusion44 decks198 decks
-9%synergy
Raucous Theater
22%inclusion43 decks198 decks
0%synergy
City of Brass
20%inclusion40 decks198 decks
14%synergy
Auntie's Hovel
20%inclusion39 decks198 decks
18%synergy
Cavern of Souls
20%inclusion39 decks198 decks
15%synergy
Gemstone Caverns
20%inclusion39 decks198 decks
15%synergy
Mana Confluence
16%inclusion31 decks198 decks
10%synergy
Marsh Flats
16%inclusion31 decks198 decks
8%synergy
Arid Mesa
15%inclusion30 decks198 decks
7%synergy
Mount Doom
15%inclusion30 decks198 decks
-1%synergy
Canyon Slough
15%inclusion29 decks198 decks
-5%synergy
Polluted Delta
15%inclusion29 decks198 decks
7%synergy
The Grey Havens
14%inclusion27 decks198 decks
13%synergy
Scalding Tarn
14%inclusion27 decks198 decks
7%synergy
Wooded Foothills
13%inclusion26 decks198 decks
6%synergy
Agadeem's Awakening
12%inclusion24 decks198 decks
9%synergy
Malakir Rebirth
12%inclusion23 decks198 decks
-4%synergy
Verdant Catacombs
11%inclusion22 decks198 decks
4%synergy
Evolving Wilds
10%inclusion19 decks198 decks
-11%synergy
Prismatic Vista
9.1%inclusion18 decks198 decks
4%synergy
Fell the Profane
9.1%inclusion18 decks198 decks
-3%synergy
Secluded Courtyard
9.1%inclusion18 decks198 decks
7%synergy
Rumble Arena
9.0%inclusion10 decks111 decks
9%synergy
Opal Palace
8.6%inclusion17 decks198 decks
7%synergy
Bloodfell Caves
8.1%inclusion16 decks198 decks
-11%synergy
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