Grenzo, Dungeon Warden (Commander) - Optimized

Grenzo, Dungeon Warden
Rank #555
195decks
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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
7.1%inclusion2 decks28 decks
6%synergy
Goblin Glasswright
3.6%inclusion1 decks28 decks
3%synergy
Rubble Rouser
3.6%inclusion1 decks28 decks
3%synergy
Sundering Archaic
3.4%inclusion1 decks29 decks
3%synergy
Relic Retriever
2.7%inclusion1 decks37 decks
2%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
76%inclusion148 decks195 decks
72%synergy
Murderous Redcap
73%inclusion143 decks195 decks
70%synergy
Skirk Prospector
73%inclusion143 decks195 decks
69%synergy
Heartstone
68%inclusion132 decks195 decks
66%synergy
Priest of Urabrask
66%inclusion129 decks195 decks
64%synergy
Ashnod's Altar
74%inclusion144 decks195 decks
63%synergy
Sling-Gang Lieutenant
66%inclusion128 decks195 decks
63%synergy
Workhorse
63%inclusion123 decks195 decks
62%synergy
Priest of Gix
62%inclusion120 decks195 decks
59%synergy
Goblin Matron
62%inclusion120 decks195 decks
58%synergy
Top Cards
Viscera Seer
63%inclusion123 decks195 decks
54%synergy
Siege-Gang Commander
62%inclusion120 decks195 decks
58%synergy
Barkform Harvester
57%inclusion112 decks195 decks
56%synergy
The Cauldron of Eternity
57%inclusion111 decks195 decks
56%synergy
Pitiless Plunderer
57%inclusion111 decks195 decks
44%synergy
Goblin Engineer
55%inclusion108 decks195 decks
51%synergy
Tomb Trawler
54%inclusion106 decks195 decks
54%synergy
Metallic Mimic
54%inclusion105 decks195 decks
52%synergy
Tel-Jilad Stylus
52%inclusion101 decks195 decks
51%synergy
Goblin Welder
47%inclusion92 decks195 decks
44%synergy
Game Changers
Demonic Tutor
41%inclusion80 decks195 decks
23%synergy
Ancient Tomb
37%inclusion72 decks195 decks
28%synergy
Vampiric Tutor
35%inclusion69 decks195 decks
22%synergy
Gamble
28%inclusion54 decks195 decks
18%synergy
Jeska's Will
27%inclusion53 decks195 decks
4%synergy
Chrome Mox
21%inclusion41 decks195 decks
15%synergy
Mana Vault
18%inclusion35 decks195 decks
13%synergy
Orcish Bowmasters
18%inclusion35 decks195 decks
8%synergy
Opposition Agent
16%inclusion31 decks195 decks
11%synergy
Imperial Seal
13%inclusion26 decks195 decks
8%synergy
Creatures
Zealous Conscripts
47%inclusion91 decks195 decks
45%synergy
Hoverstone Pilgrim
47%inclusion91 decks195 decks
46%synergy
Krenko, Mob Boss
46%inclusion89 decks195 decks
41%synergy
Zulaport Cutthroat
44%inclusion86 decks195 decks
36%synergy
Pawn of Ulamog
44%inclusion86 decks195 decks
42%synergy
Warren Soultrader
44%inclusion86 decks195 decks
36%synergy
Imperial Recruiter
43%inclusion83 decks195 decks
38%synergy
Gray Merchant of Asphodel
37%inclusion72 decks195 decks
26%synergy
Woe Strider
36%inclusion71 decks195 decks
34%synergy
Solemn Simulacrum
36%inclusion70 decks195 decks
16%synergy
Boggart Trawler
35%inclusion69 decks195 decks
28%synergy
Palladium Myr
35%inclusion68 decks195 decks
34%synergy
Mad Auntie
34%inclusion66 decks195 decks
32%synergy
Treasonous Ogre
33%inclusion65 decks195 decks
30%synergy
Blood Artist
33%inclusion64 decks195 decks
14%synergy
Meteor Golem
32%inclusion63 decks195 decks
30%synergy
Goblin Warchief
32%inclusion62 decks195 decks
29%synergy
Epitaph Golem
32%inclusion62 decks195 decks
31%synergy
Goblin Recruiter
31%inclusion61 decks195 decks
30%synergy
Anger
31%inclusion60 decks195 decks
18%synergy
Conspicuous Snoop
31%inclusion60 decks195 decks
29%synergy
Goblin Chieftain
30%inclusion59 decks195 decks
28%synergy
Leaden Myr
30%inclusion59 decks195 decks
28%synergy
Iron Myr
29%inclusion57 decks195 decks
27%synergy
Goblin Trashmaster
29%inclusion56 decks195 decks
27%synergy
Emrakul's Hatcher
29%inclusion56 decks195 decks
28%synergy
Hexing Squelcher
28%inclusion25 decks89 decks
14%synergy
Junktroller
27%inclusion53 decks195 decks
27%synergy
Pinnacle Monk
27%inclusion53 decks195 decks
20%synergy
Ravenous Chupacabra
26%inclusion51 decks195 decks
24%synergy
Chainer, Nightmare Adept
26%inclusion50 decks195 decks
18%synergy
Boggart Harbinger
25%inclusion49 decks195 decks
23%synergy
Duplicant
25%inclusion49 decks195 decks
24%synergy
Beetleback Chief
24%inclusion47 decks195 decks
23%synergy
Goblin Sharpshooter
24%inclusion46 decks195 decks
22%synergy
Pashalik Mons
24%inclusion46 decks195 decks
21%synergy
Ornithopter of Paradise
22%inclusion43 decks195 decks
18%synergy
Marionette Master
21%inclusion41 decks195 decks
15%synergy
Mogg War Marshal
21%inclusion40 decks195 decks
18%synergy
Bronze Walrus
20%inclusion39 decks195 decks
20%synergy
Munitions Expert
20%inclusion39 decks195 decks
18%synergy
Boggart Cursecrafter
20%inclusion17 decks87 decks
14%synergy
Clone Shell
19%inclusion38 decks195 decks
19%synergy
Goblin Chirurgeon
19%inclusion38 decks195 decks
18%synergy
Goblin King
19%inclusion37 decks195 decks
17%synergy
Simian Spirit Guide
18%inclusion36 decks195 decks
13%synergy
Crypt Ghast
18%inclusion36 decks195 decks
16%synergy
Murderous Rider
18%inclusion35 decks195 decks
16%synergy
Putrid Goblin
18%inclusion35 decks195 decks
16%synergy
Warteye Witch
18%inclusion35 decks195 decks
17%synergy
Instants
Valakut Awakening
49%inclusion95 decks195 decks
41%synergy
Dark Ritual
44%inclusion85 decks195 decks
2%synergy
Fire Prophecy
28%inclusion54 decks195 decks
27%synergy
Deflecting Swat
27%inclusion53 decks195 decks
6%synergy
Chaos Warp
25%inclusion49 decks195 decks
-22%synergy
Terminate
21%inclusion40 decks195 decks
-19%synergy
Deadly Rollick
20%inclusion39 decks195 decks
-1%synergy
Red Elemental Blast
20%inclusion39 decks195 decks
11%synergy
Volcanic Spite
18%inclusion36 decks195 decks
18%synergy
Entomb
17%inclusion34 decks195 decks
10%synergy
Culling the Weak
15%inclusion30 decks195 decks
9%synergy
Pyroblast
14%inclusion28 decks195 decks
6%synergy
Rakdos Charm
12%inclusion24 decks195 decks
-31%synergy
Bedevil
12%inclusion23 decks195 decks
-23%synergy
Malakir Rebirth
12%inclusion23 decks195 decks
-3%synergy
Cabal Ritual
11%inclusion21 decks195 decks
3%synergy
Brightstone Ritual
10%inclusion20 decks195 decks
9%synergy
Imp's Mischief
10%inclusion19 decks195 decks
1%synergy
Abrade
10%inclusion19 decks195 decks
-12%synergy
Burnt Offering
8.7%inclusion17 decks195 decks
3%synergy
Tibalt's Trickery
8.7%inclusion17 decks195 decks
-4%synergy
Dismember
8.7%inclusion17 decks195 decks
5%synergy
Fell the Profane
8.2%inclusion16 decks195 decks
-4%synergy
Thrill of Possibility
8.2%inclusion16 decks195 decks
-10%synergy
Battle Hymn
8.2%inclusion16 decks195 decks
7%synergy
Lightning Bolt
7.7%inclusion15 decks195 decks
-10%synergy
Saw in Half
7.7%inclusion15 decks195 decks
-4%synergy
First Day of Class
7.7%inclusion15 decks195 decks
7%synergy
Redirect Lightning
7.5%inclusion10 decks134 decks
-2%synergy
Village Rites
7.2%inclusion14 decks195 decks
-8%synergy
Untimely Malfunction
6.7%inclusion13 decks194 decks
-12%synergy
Withering Torment
6.2%inclusion12 decks194 decks
-16%synergy
Seething Song
6.2%inclusion12 decks195 decks
-5%synergy
Ad Nauseam
6.2%inclusion12 decks195 decks
4%synergy
Fire Covenant
5.6%inclusion11 decks195 decks
-1%synergy
Sorceries
Doomsday
32%inclusion62 decks195 decks
31%synergy
Faithless Looting
23%inclusion44 decks195 decks
-5%synergy
Diabolic Intent
20%inclusion39 decks195 decks
12%synergy
Read the Bones
18%inclusion35 decks195 decks
5%synergy
Feed the Swarm
16%inclusion32 decks195 decks
-25%synergy
Blasphemous Act
16%inclusion32 decks195 decks
-34%synergy
Toxic Deluge
16%inclusion32 decks195 decks
-1%synergy
Reanimate
15%inclusion29 decks195 decks
-8%synergy
Into the Fire
15%inclusion29 decks195 decks
14%synergy
Vandalblast
13%inclusion25 decks195 decks
-18%synergy
Agadeem's Awakening
12%inclusion24 decks195 decks
9%synergy
Dread Return
12%inclusion24 decks195 decks
8%synergy
Buried Alive
10%inclusion20 decks195 decks
5%synergy
Diabolic Tutor
8.7%inclusion17 decks195 decks
3%synergy
Wheel of Fortune
8.7%inclusion17 decks195 decks
3%synergy
Grim Tutor
8.7%inclusion17 decks195 decks
4%synergy
Victimize
7.7%inclusion15 decks195 decks
-7%synergy
Beseech the Mirror
7.7%inclusion15 decks195 decks
4%synergy
Living Death
7.2%inclusion14 decks195 decks
3%synergy
Rite of Flame
6.2%inclusion12 decks195 decks
1%synergy
Unearth
6.2%inclusion12 decks195 decks
1%synergy
Twinflame
5.6%inclusion11 decks195 decks
0%synergy
Grub's Command
5.6%inclusion5 decks89 decks
2%synergy
Mana Geyser
5.1%inclusion10 decks195 decks
-7%synergy
Shatterskull Smashing
5.1%inclusion10 decks195 decks
2%synergy
Insatiable Avarice
5.1%inclusion10 decks195 decks
1%synergy
Utility Artifacts
Teferi's Puzzle Box
25%inclusion49 decks195 decks
24%synergy
Lightning Greaves
25%inclusion48 decks195 decks
-10%synergy
Skullclamp
22%inclusion42 decks195 decks
12%synergy
Phyrexian Altar
20%inclusion39 decks195 decks
14%synergy
Reito Lantern
16%inclusion31 decks195 decks
16%synergy
Nim Deathmantle
15%inclusion29 decks195 decks
14%synergy
Thornbite Staff
14%inclusion28 decks195 decks
14%synergy
Swiftfoot Boots
14%inclusion28 decks195 decks
-17%synergy
Crystal Ball
13%inclusion26 decks195 decks
13%synergy
Cloak and Dagger
13%inclusion25 decks195 decks
12%synergy
Wishclaw Talisman
12%inclusion24 decks195 decks
6%synergy
Soldevi Digger
12%inclusion24 decks195 decks
12%synergy
Darksteel Pendant
12%inclusion23 decks195 decks
12%synergy
Desecrated Tomb
10%inclusion20 decks195 decks
10%synergy
The One Ring
10%inclusion20 decks195 decks
3%synergy
Illusionist's Bracers
7.2%inclusion14 decks195 decks
6%synergy
Sensei's Divining Top
7.2%inclusion14 decks195 decks
1%synergy
Bolas's Citadel
7.2%inclusion14 decks195 decks
-3%synergy
Conjurer's Bauble
6.7%inclusion13 decks195 decks
6%synergy
Planetarium of Wan Shi Tong
6.4%inclusion7 decks110 decks
6%synergy
Defense Grid
5.6%inclusion11 decks195 decks
4%synergy
Goblin Charbelcher
5.6%inclusion11 decks195 decks
5%synergy
Altar of Dementia
5.1%inclusion10 decks195 decks
3%synergy
Enchantments
Goblin Bombardment
32%inclusion62 decks195 decks
22%synergy
Impact Tremors
25%inclusion48 decks195 decks
13%synergy
Mana Echoes
21%inclusion40 decks195 decks
20%synergy
Braid of Fire
17%inclusion33 decks195 decks
15%synergy
Necropotence
13%inclusion26 decks195 decks
8%synergy
Animate Dead
12%inclusion23 decks195 decks
2%synergy
Underworld Breach
10%inclusion19 decks195 decks
3%synergy
Phyrexian Arena
9.2%inclusion18 decks195 decks
-15%synergy
Fires of Invention
7.2%inclusion14 decks195 decks
7%synergy
Mindmoil
7.2%inclusion14 decks195 decks
7%synergy
Boggart Mischief
6.7%inclusion6 decks89 decks
2%synergy
Blood Moon
6.7%inclusion13 decks195 decks
5%synergy
Thran Vigil
6.2%inclusion12 decks195 decks
5%synergy
Chthonian Nightmare
5.6%inclusion11 decks195 decks
3%synergy
Shared Animosity
5.1%inclusion10 decks195 decks
2%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
35%inclusion69 decks195 decks
17%synergy
Zhalfirin Void
32%inclusion62 decks195 decks
31%synergy
Phyrexian Tower
31%inclusion60 decks195 decks
20%synergy
Buried Ruin
28%inclusion54 decks195 decks
24%synergy
Great Furnace
27%inclusion53 decks195 decks
21%synergy
Vault of Whispers
26%inclusion50 decks195 decks
19%synergy
Bojuka Bog
22%inclusion42 decks195 decks
-14%synergy
Cabal Coffers
16%inclusion31 decks195 decks
6%synergy
Takenuma, Abandoned Mire
14%inclusion28 decks195 decks
6%synergy
Spinerock Knoll
14%inclusion27 decks195 decks
5%synergy
Inventors' Fair
12%inclusion23 decks195 decks
10%synergy
Nykthos, Shrine to Nyx
11%inclusion22 decks195 decks
9%synergy
Urza's Saga
11%inclusion21 decks195 decks
5%synergy
Three Tree City
7.7%inclusion15 decks195 decks
5%synergy
Drownyard Temple
7.2%inclusion14 decks195 decks
6%synergy
Temple of the False God
6.7%inclusion13 decks195 decks
-3%synergy
Castle Embereth
5.6%inclusion11 decks195 decks
3%synergy
Homeward Path
5.6%inclusion11 decks195 decks
5%synergy
Howltooth Hollow
5.1%inclusion10 decks195 decks
5%synergy
Den of the Bugbear
5.1%inclusion10 decks195 decks
3%synergy
Darksteel Citadel
5.1%inclusion10 decks195 decks
1%synergy
Mana Artifacts
Sol Ring
90%inclusion176 decks195 decks
4%synergy
Arcane Signet
55%inclusion107 decks195 decks
-27%synergy
Rakdos Signet
47%inclusion91 decks195 decks
-11%synergy
Talisman of Indulgence
35%inclusion68 decks195 decks
-20%synergy
Thran Turbine
29%inclusion57 decks195 decks
28%synergy
Fellwar Stone
23%inclusion45 decks195 decks
-10%synergy
Lotus Petal
18%inclusion35 decks195 decks
10%synergy
Mox Amber
14%inclusion27 decks195 decks
9%synergy
Mox Opal
11%inclusion22 decks195 decks
7%synergy
Mox Diamond
11%inclusion21 decks195 decks
7%synergy
Mind Stone
9.2%inclusion18 decks195 decks
-19%synergy
Commander's Sphere
6.2%inclusion12 decks195 decks
-10%synergy
Springleaf Drum
6.2%inclusion12 decks195 decks
4%synergy
Lion's Eye Diamond
5.6%inclusion11 decks195 decks
3%synergy
Lands
Swamp
95%inclusion185 decks195 decks
-3%synergy
Mountain
93%inclusion182 decks195 decks
-4%synergy
Command Tower
89%inclusion174 decks195 decks
3%synergy
Blood Crypt
67%inclusion130 decks195 decks
20%synergy
Dragonskull Summit
62%inclusion120 decks195 decks
-2%synergy
Sulfurous Springs
54%inclusion106 decks195 decks
7%synergy
Temple of Malice
54%inclusion105 decks195 decks
20%synergy
Luxury Suite
52%inclusion102 decks195 decks
14%synergy
Smoldering Marsh
52%inclusion101 decks195 decks
-12%synergy
Bloodstained Mire
50%inclusion98 decks195 decks
17%synergy
Graven Cairns
49%inclusion95 decks195 decks
18%synergy
Valakut Awakening
49%inclusion95 decks195 decks
41%synergy
Path of Ancestry
36%inclusion70 decks195 decks
20%synergy
Boggart Trawler
35%inclusion69 decks195 decks
28%synergy
Blightstep Pathway
32%inclusion63 decks195 decks
10%synergy
Foreboding Ruins
32%inclusion62 decks195 decks
-14%synergy
Tainted Peak
32%inclusion62 decks195 decks
-11%synergy
Haunted Ridge
31%inclusion60 decks195 decks
-5%synergy
Badlands
29%inclusion57 decks195 decks
16%synergy
Shadowblood Ridge
29%inclusion56 decks195 decks
-6%synergy
Pinnacle Monk
27%inclusion53 decks195 decks
20%synergy
Rakdos Carnarium
25%inclusion49 decks195 decks
-7%synergy
Blazemire Verge
25%inclusion48 decks194 decks
-6%synergy
Blackcleave Cliffs
24%inclusion46 decks195 decks
3%synergy
Crystal Grotto
24%inclusion46 decks195 decks
23%synergy
Raucous Theater
22%inclusion43 decks195 decks
0%synergy
Exotic Orchard
22%inclusion42 decks195 decks
-9%synergy
Auntie's Hovel
20%inclusion39 decks195 decks
18%synergy
City of Brass
20%inclusion39 decks195 decks
14%synergy
Cavern of Souls
19%inclusion38 decks195 decks
15%synergy
Gemstone Caverns
19%inclusion38 decks195 decks
15%synergy
Mana Confluence
15%inclusion30 decks195 decks
10%synergy
Marsh Flats
15%inclusion30 decks195 decks
7%synergy
Mount Doom
15%inclusion29 decks195 decks
-1%synergy
Arid Mesa
15%inclusion29 decks195 decks
7%synergy
Canyon Slough
14%inclusion28 decks195 decks
-5%synergy
Polluted Delta
14%inclusion28 decks195 decks
6%synergy
The Grey Havens
14%inclusion27 decks195 decks
13%synergy
Scalding Tarn
13%inclusion26 decks195 decks
6%synergy
Wooded Foothills
13%inclusion25 decks195 decks
6%synergy
Agadeem's Awakening
12%inclusion24 decks195 decks
9%synergy
Malakir Rebirth
12%inclusion23 decks195 decks
-3%synergy
Verdant Catacombs
11%inclusion21 decks195 decks
4%synergy
Evolving Wilds
10%inclusion19 decks195 decks
-11%synergy
Rumble Arena
9.3%inclusion10 decks108 decks
9%synergy
Secluded Courtyard
9.2%inclusion18 decks195 decks
7%synergy
Prismatic Vista
8.7%inclusion17 decks195 decks
3%synergy
Opal Palace
8.7%inclusion17 decks195 decks
7%synergy
Fell the Profane
8.2%inclusion16 decks195 decks
-4%synergy
Bloodfell Caves
8.2%inclusion16 decks195 decks
-11%synergy
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