Grenzo, Dungeon Warden (Commander) - Optimized

Grenzo, Dungeon Warden
Rank #537
224decks
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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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Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Bolg's Company
10%inclusion1 decks10 decks
7%synergy
Undead Hand Ninja
8.7%inclusion4 decks46 decks
8%synergy
The Great Goblin
5.6%inclusion1 decks18 decks
5%synergy
H.E.R.B.I.E., Lovable Robot
4.5%inclusion2 decks44 decks
4%synergy
Dark Fortress
4.2%inclusion2 decks48 decks
-5%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
77%inclusion173 decks224 decks
73%synergy
Murderous Redcap
72%inclusion162 decks224 decks
69%synergy
Heartstone
71%inclusion159 decks224 decks
69%synergy
Skirk Prospector
71%inclusion159 decks224 decks
66%synergy
Ashnod's Altar
75%inclusion167 decks224 decks
64%synergy
Workhorse
64%inclusion144 decks224 decks
64%synergy
Priest of Urabrask
65%inclusion145 decks224 decks
63%synergy
Sling-Gang Lieutenant
63%inclusion142 decks224 decks
60%synergy
Priest of Gix
61%inclusion136 decks224 decks
59%synergy
Barkform Harvester
59%inclusion133 decks224 decks
58%synergy
Top Cards
Viscera Seer
64%inclusion143 decks224 decks
55%synergy
Goblin Matron
60%inclusion135 decks224 decks
57%synergy
Siege-Gang Commander
59%inclusion133 decks224 decks
56%synergy
Pitiless Plunderer
59%inclusion132 decks224 decks
46%synergy
The Cauldron of Eternity
57%inclusion128 decks224 decks
56%synergy
Goblin Engineer
56%inclusion126 decks224 decks
52%synergy
Tomb Trawler
56%inclusion125 decks224 decks
55%synergy
Tel-Jilad Stylus
54%inclusion121 decks224 decks
53%synergy
Metallic Mimic
54%inclusion121 decks224 decks
52%synergy
Goblin Welder
49%inclusion109 decks224 decks
46%synergy
Game Changers
Demonic Tutor
38%inclusion86 decks224 decks
21%synergy
Ancient Tomb
34%inclusion77 decks224 decks
25%synergy
Vampiric Tutor
33%inclusion73 decks224 decks
19%synergy
Gamble
29%inclusion64 decks224 decks
19%synergy
Jeska's Will
24%inclusion53 decks224 decks
0%synergy
Chrome Mox
20%inclusion44 decks224 decks
14%synergy
Orcish Bowmasters
19%inclusion43 decks224 decks
9%synergy
Mana Vault
17%inclusion39 decks224 decks
12%synergy
Opposition Agent
16%inclusion35 decks224 decks
11%synergy
Imperial Seal
13%inclusion28 decks224 decks
8%synergy
Creatures
Hoverstone Pilgrim
48%inclusion108 decks224 decks
48%synergy
Zealous Conscripts
48%inclusion107 decks224 decks
46%synergy
Pawn of Ulamog
47%inclusion105 decks224 decks
44%synergy
Warren Soultrader
46%inclusion104 decks224 decks
38%synergy
Zulaport Cutthroat
46%inclusion102 decks224 decks
37%synergy
Krenko, Mob Boss
44%inclusion98 decks224 decks
39%synergy
Imperial Recruiter
44%inclusion98 decks224 decks
40%synergy
Gray Merchant of Asphodel
38%inclusion86 decks224 decks
28%synergy
Solemn Simulacrum
38%inclusion85 decks224 decks
19%synergy
Palladium Myr
38%inclusion84 decks224 decks
36%synergy
Woe Strider
37%inclusion83 decks224 decks
35%synergy
Meteor Golem
37%inclusion82 decks224 decks
34%synergy
Boggart Trawler
36%inclusion81 decks224 decks
29%synergy
Treasonous Ogre
36%inclusion80 decks224 decks
33%synergy
Blood Artist
34%inclusion77 decks224 decks
16%synergy
Mad Auntie
33%inclusion75 decks224 decks
31%synergy
Leaden Myr
33%inclusion73 decks224 decks
31%synergy
Iron Myr
32%inclusion71 decks224 decks
29%synergy
Anger
32%inclusion71 decks224 decks
19%synergy
Epitaph Golem
32%inclusion71 decks224 decks
31%synergy
Goblin Warchief
31%inclusion69 decks224 decks
28%synergy
Goblin Trashmaster
31%inclusion69 decks224 decks
29%synergy
Goblin Recruiter
30%inclusion68 decks224 decks
29%synergy
Conspicuous Snoop
29%inclusion66 decks224 decks
28%synergy
Goblin Chieftain
29%inclusion66 decks224 decks
27%synergy
Emrakul's Hatcher
29%inclusion65 decks224 decks
29%synergy
Ravenous Chupacabra
28%inclusion62 decks224 decks
26%synergy
Pinnacle Monk
28%inclusion62 decks224 decks
20%synergy
Duplicant
27%inclusion60 decks224 decks
26%synergy
Chainer, Nightmare Adept
26%inclusion59 decks224 decks
19%synergy
Hexing Squelcher
26%inclusion33 decks127 decks
12%synergy
Goblin Sharpshooter
25%inclusion57 decks224 decks
24%synergy
Junktroller
25%inclusion56 decks224 decks
24%synergy
Pashalik Mons
24%inclusion54 decks224 decks
22%synergy
Beetleback Chief
23%inclusion52 decks224 decks
22%synergy
Marionette Master
23%inclusion52 decks224 decks
18%synergy
Boggart Harbinger
23%inclusion52 decks224 decks
21%synergy
Ornithopter of Paradise
23%inclusion51 decks224 decks
19%synergy
Goblin Chirurgeon
22%inclusion49 decks224 decks
20%synergy
Bronze Walrus
22%inclusion49 decks224 decks
21%synergy
Mogg War Marshal
21%inclusion46 decks224 decks
18%synergy
Murderous Rider
20%inclusion44 decks224 decks
18%synergy
Boggart Cursecrafter
19%inclusion24 decks125 decks
15%synergy
Clone Shell
19%inclusion43 decks224 decks
19%synergy
Simian Spirit Guide
19%inclusion43 decks224 decks
13%synergy
Marionette Apprentice
19%inclusion42 decks224 decks
10%synergy
Munitions Expert
19%inclusion42 decks224 decks
17%synergy
Crypt Ghast
18%inclusion41 decks224 decks
16%synergy
Warteye Witch
18%inclusion40 decks224 decks
17%synergy
Moggcatcher
18%inclusion40 decks224 decks
17%synergy
Instants
Valakut Awakening
50%inclusion113 decks224 decks
43%synergy
Dark Ritual
43%inclusion96 decks224 decks
0%synergy
Fire Prophecy
28%inclusion62 decks224 decks
27%synergy
Deflecting Swat
26%inclusion58 decks224 decks
5%synergy
Chaos Warp
24%inclusion54 decks224 decks
-23%synergy
Volcanic Spite
20%inclusion45 decks224 decks
20%synergy
Deadly Rollick
18%inclusion41 decks224 decks
-4%synergy
Terminate
18%inclusion41 decks224 decks
-21%synergy
Red Elemental Blast
18%inclusion40 decks224 decks
9%synergy
Entomb
17%inclusion39 decks224 decks
10%synergy
Culling the Weak
17%inclusion38 decks224 decks
11%synergy
Pyroblast
13%inclusion29 decks224 decks
4%synergy
Brightstone Ritual
13%inclusion28 decks224 decks
11%synergy
Rakdos Charm
12%inclusion27 decks224 decks
-32%synergy
Cabal Ritual
11%inclusion25 decks224 decks
3%synergy
Bedevil
11%inclusion25 decks224 decks
-23%synergy
Malakir Rebirth
11%inclusion24 decks224 decks
-5%synergy
Burnt Offering
10%inclusion23 decks224 decks
5%synergy
Fell the Profane
10%inclusion22 decks224 decks
-3%synergy
Abrade
8.5%inclusion19 decks224 decks
-13%synergy
Imp's Mischief
8.0%inclusion18 decks224 decks
-1%synergy
Battle Hymn
8.0%inclusion18 decks224 decks
7%synergy
Thrill of Possibility
7.6%inclusion17 decks224 decks
-11%synergy
Tibalt's Trickery
7.1%inclusion16 decks224 decks
-6%synergy
First Day of Class
7.1%inclusion16 decks224 decks
6%synergy
Dismember
7.1%inclusion16 decks224 decks
3%synergy
Saw in Half
6.7%inclusion15 decks224 decks
-5%synergy
Redirect Lightning
6.7%inclusion11 decks165 decks
-3%synergy
Untimely Malfunction
6.3%inclusion14 decks223 decks
-12%synergy
Withering Torment
5.8%inclusion13 decks223 decks
-16%synergy
Fire Covenant
5.8%inclusion13 decks224 decks
-1%synergy
Village Rites
5.8%inclusion13 decks224 decks
-10%synergy
Lightning Bolt
5.8%inclusion13 decks224 decks
-13%synergy
Seething Song
5.4%inclusion12 decks224 decks
-7%synergy
Sorceries
Doomsday
29%inclusion66 decks224 decks
29%synergy
Faithless Looting
22%inclusion49 decks224 decks
-6%synergy
Diabolic Intent
18%inclusion41 decks224 decks
10%synergy
Read the Bones
18%inclusion40 decks224 decks
6%synergy
Blasphemous Act
16%inclusion36 decks224 decks
-35%synergy
Feed the Swarm
16%inclusion35 decks224 decks
-25%synergy
Into the Fire
16%inclusion35 decks224 decks
15%synergy
Toxic Deluge
15%inclusion33 decks224 decks
-3%synergy
Reanimate
14%inclusion32 decks224 decks
-9%synergy
Agadeem's Awakening
13%inclusion29 decks224 decks
9%synergy
Dread Return
13%inclusion28 decks224 decks
8%synergy
Vandalblast
13%inclusion28 decks224 decks
-18%synergy
Buried Alive
8.9%inclusion20 decks224 decks
4%synergy
Wheel of Fortune
8.0%inclusion18 decks224 decks
2%synergy
Diabolic Tutor
7.6%inclusion17 decks224 decks
2%synergy
Victimize
7.6%inclusion17 decks224 decks
-7%synergy
Beseech the Mirror
7.6%inclusion17 decks224 decks
4%synergy
Grim Tutor
7.6%inclusion17 decks224 decks
3%synergy
Rite of Flame
6.7%inclusion15 decks224 decks
2%synergy
Living Death
6.3%inclusion14 decks224 decks
2%synergy
Unearth
5.8%inclusion13 decks224 decks
1%synergy
Utility Artifacts
Teferi's Puzzle Box
24%inclusion53 decks224 decks
23%synergy
Lightning Greaves
23%inclusion52 decks224 decks
-12%synergy
Skullclamp
21%inclusion48 decks224 decks
11%synergy
Phyrexian Altar
19%inclusion42 decks224 decks
13%synergy
Thornbite Staff
17%inclusion37 decks224 decks
16%synergy
Nim Deathmantle
15%inclusion33 decks224 decks
14%synergy
Swiftfoot Boots
14%inclusion31 decks224 decks
-18%synergy
Reito Lantern
14%inclusion31 decks224 decks
14%synergy
Crystal Ball
13%inclusion30 decks224 decks
13%synergy
Cloak and Dagger
12%inclusion26 decks224 decks
11%synergy
Wishclaw Talisman
12%inclusion26 decks224 decks
6%synergy
Darksteel Pendant
11%inclusion25 decks224 decks
11%synergy
Soldevi Digger
11%inclusion25 decks224 decks
11%synergy
Desecrated Tomb
8.9%inclusion20 decks224 decks
8%synergy
Illusionist's Bracers
7.6%inclusion17 decks224 decks
7%synergy
The One Ring
7.6%inclusion17 decks224 decks
0%synergy
Conjurer's Bauble
7.1%inclusion16 decks224 decks
7%synergy
Sensei's Divining Top
6.3%inclusion14 decks224 decks
1%synergy
Defense Grid
5.8%inclusion13 decks224 decks
4%synergy
Altar of Dementia
5.4%inclusion12 decks224 decks
3%synergy
Enchantments
Goblin Bombardment
31%inclusion69 decks224 decks
21%synergy
Impact Tremors
23%inclusion52 decks224 decks
12%synergy
Mana Echoes
20%inclusion45 decks224 decks
20%synergy
Braid of Fire
17%inclusion38 decks224 decks
15%synergy
Necropotence
11%inclusion25 decks224 decks
6%synergy
Animate Dead
10%inclusion22 decks224 decks
1%synergy
Underworld Breach
8.5%inclusion19 decks224 decks
2%synergy
Phyrexian Arena
7.6%inclusion17 decks224 decks
-16%synergy
Mindmoil
7.1%inclusion16 decks224 decks
7%synergy
Blood Moon
6.3%inclusion14 decks224 decks
4%synergy
Fires of Invention
5.8%inclusion13 decks224 decks
6%synergy
Chthonian Nightmare
5.8%inclusion13 decks224 decks
4%synergy
Utility Lands
Zhalfirin Void
34%inclusion77 decks224 decks
33%synergy
Urborg, Tomb of Yawgmoth
34%inclusion77 decks224 decks
16%synergy
Phyrexian Tower
31%inclusion69 decks224 decks
20%synergy
Buried Ruin
30%inclusion68 decks224 decks
27%synergy
Vault of Whispers
27%inclusion61 decks224 decks
21%synergy
Great Furnace
27%inclusion61 decks224 decks
21%synergy
Bojuka Bog
21%inclusion47 decks224 decks
-15%synergy
Cabal Coffers
15%inclusion33 decks224 decks
5%synergy
Spinerock Knoll
13%inclusion30 decks224 decks
4%synergy
Inventors' Fair
13%inclusion29 decks224 decks
11%synergy
Takenuma, Abandoned Mire
12%inclusion27 decks224 decks
4%synergy
Urza's Saga
12%inclusion26 decks224 decks
6%synergy
Nykthos, Shrine to Nyx
11%inclusion24 decks224 decks
9%synergy
Drownyard Temple
8.0%inclusion18 decks224 decks
7%synergy
Three Tree City
8.0%inclusion18 decks224 decks
5%synergy
Temple of the False God
6.3%inclusion14 decks224 decks
-3%synergy
Homeward Path
5.8%inclusion13 decks224 decks
5%synergy
Castle Embereth
5.4%inclusion12 decks224 decks
3%synergy
Dakmor Salvage
5.4%inclusion12 decks224 decks
5%synergy
Mana Artifacts
Sol Ring
90%inclusion201 decks224 decks
4%synergy
Arcane Signet
54%inclusion121 decks224 decks
-28%synergy
Rakdos Signet
46%inclusion102 decks224 decks
-12%synergy
Talisman of Indulgence
34%inclusion77 decks224 decks
-21%synergy
Thran Turbine
30%inclusion67 decks224 decks
29%synergy
Fellwar Stone
21%inclusion46 decks224 decks
-13%synergy
Lotus Petal
18%inclusion40 decks224 decks
10%synergy
Mox Amber
13%inclusion30 decks224 decks
9%synergy
Mox Opal
10%inclusion22 decks224 decks
6%synergy
Mox Diamond
9.4%inclusion21 decks224 decks
6%synergy
Mind Stone
8.9%inclusion20 decks224 decks
-19%synergy
Springleaf Drum
6.7%inclusion15 decks224 decks
5%synergy
Commander's Sphere
5.4%inclusion12 decks224 decks
-10%synergy
Lion's Eye Diamond
5.4%inclusion12 decks224 decks
3%synergy
Lands
Swamp
95%inclusion212 decks224 decks
-3%synergy
Mountain
93%inclusion208 decks224 decks
-5%synergy
Command Tower
91%inclusion204 decks224 decks
5%synergy
Blood Crypt
67%inclusion151 decks224 decks
20%synergy
Dragonskull Summit
59%inclusion133 decks224 decks
-5%synergy
Sulfurous Springs
54%inclusion121 decks224 decks
6%synergy
Temple of Malice
54%inclusion120 decks224 decks
21%synergy
Smoldering Marsh
51%inclusion115 decks224 decks
-12%synergy
Luxury Suite
51%inclusion114 decks224 decks
13%synergy
Valakut Awakening
50%inclusion113 decks224 decks
43%synergy
Bloodstained Mire
50%inclusion111 decks224 decks
16%synergy
Graven Cairns
46%inclusion104 decks224 decks
14%synergy
Boggart Trawler
36%inclusion81 decks224 decks
29%synergy
Path of Ancestry
35%inclusion79 decks224 decks
19%synergy
Blightstep Pathway
32%inclusion71 decks224 decks
9%synergy
Badlands
30%inclusion67 decks224 decks
16%synergy
Foreboding Ruins
30%inclusion67 decks224 decks
-16%synergy
Tainted Peak
30%inclusion67 decks224 decks
-13%synergy
Haunted Ridge
29%inclusion66 decks224 decks
-7%synergy
Pinnacle Monk
28%inclusion62 decks224 decks
20%synergy
Shadowblood Ridge
27%inclusion61 decks224 decks
-8%synergy
Crystal Grotto
25%inclusion56 decks224 decks
24%synergy
Blazemire Verge
25%inclusion55 decks223 decks
-6%synergy
Rakdos Carnarium
24%inclusion54 decks224 decks
-7%synergy
Raucous Theater
23%inclusion52 decks224 decks
1%synergy
Exotic Orchard
23%inclusion52 decks224 decks
-8%synergy
Blackcleave Cliffs
21%inclusion48 decks224 decks
1%synergy
Auntie's Hovel
20%inclusion44 decks224 decks
18%synergy
Cavern of Souls
20%inclusion44 decks224 decks
15%synergy
City of Brass
18%inclusion41 decks224 decks
12%synergy
Gemstone Caverns
17%inclusion39 decks224 decks
13%synergy
The Grey Havens
17%inclusion38 decks224 decks
16%synergy
Polluted Delta
15%inclusion34 decks224 decks
7%synergy
Arid Mesa
15%inclusion33 decks224 decks
7%synergy
Marsh Flats
15%inclusion33 decks224 decks
7%synergy
Canyon Slough
14%inclusion32 decks224 decks
-5%synergy
Mount Doom
14%inclusion32 decks224 decks
-2%synergy
Mana Confluence
14%inclusion32 decks224 decks
9%synergy
Wooded Foothills
14%inclusion31 decks224 decks
7%synergy
Agadeem's Awakening
13%inclusion29 decks224 decks
9%synergy
Scalding Tarn
13%inclusion29 decks224 decks
6%synergy
Rumble Arena
13%inclusion18 decks143 decks
12%synergy
Malakir Rebirth
11%inclusion24 decks224 decks
-5%synergy
Opal Palace
11%inclusion24 decks224 decks
9%synergy
Verdant Catacombs
10%inclusion23 decks224 decks
4%synergy
Fell the Profane
10%inclusion22 decks224 decks
-3%synergy
Evolving Wilds
8.9%inclusion20 decks224 decks
-12%synergy
Secluded Courtyard
8.5%inclusion19 decks224 decks
6%synergy
Prismatic Vista
8.0%inclusion18 decks224 decks
3%synergy
Reflecting Pool
8.0%inclusion18 decks224 decks
5%synergy
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