Grenzo, Dungeon Warden (Commander) - Optimized

Grenzo, Dungeon Warden
Rank #547
236decks
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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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Bolg's Company
12%inclusion6 decks52 decks
4%synergy
The Great Goblin
9.3%inclusion5 decks54 decks
7%synergy
Azog, Moria's Ruin
9.3%inclusion5 decks54 decks
2%synergy
Great Fierce Bee
5.8%inclusion3 decks52 decks
5%synergy
Fearsome Goblin Pair
1.9%inclusion1 decks52 decks
-4%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
77%inclusion181 decks236 decks
72%synergy
Heartstone
72%inclusion171 decks236 decks
70%synergy
Murderous Redcap
72%inclusion169 decks236 decks
68%synergy
Skirk Prospector
71%inclusion167 decks236 decks
65%synergy
Ashnod's Altar
75%inclusion176 decks236 decks
64%synergy
Priest of Urabrask
65%inclusion154 decks236 decks
63%synergy
Workhorse
64%inclusion151 decks236 decks
63%synergy
Sling-Gang Lieutenant
64%inclusion150 decks236 decks
60%synergy
Priest of Gix
61%inclusion144 decks236 decks
59%synergy
Barkform Harvester
59%inclusion139 decks236 decks
58%synergy
Top Cards
Viscera Seer
64%inclusion151 decks236 decks
55%synergy
Siege-Gang Commander
60%inclusion142 decks236 decks
56%synergy
Pitiless Plunderer
60%inclusion142 decks236 decks
47%synergy
Goblin Matron
60%inclusion141 decks236 decks
56%synergy
Tomb Trawler
57%inclusion134 decks236 decks
56%synergy
The Cauldron of Eternity
56%inclusion131 decks236 decks
54%synergy
Goblin Engineer
55%inclusion130 decks236 decks
51%synergy
Metallic Mimic
53%inclusion124 decks236 decks
50%synergy
Tel-Jilad Stylus
52%inclusion122 decks236 decks
51%synergy
Zealous Conscripts
48%inclusion113 decks236 decks
46%synergy
Game Changers
Demonic Tutor
39%inclusion92 decks236 decks
21%synergy
Ancient Tomb
34%inclusion81 decks236 decks
25%synergy
Vampiric Tutor
33%inclusion77 decks236 decks
19%synergy
Gamble
27%inclusion64 decks236 decks
17%synergy
Jeska's Will
23%inclusion55 decks236 decks
-0%synergy
Chrome Mox
20%inclusion48 decks236 decks
15%synergy
Orcish Bowmasters
19%inclusion45 decks236 decks
8%synergy
Mana Vault
17%inclusion41 decks236 decks
12%synergy
Opposition Agent
14%inclusion34 decks236 decks
10%synergy
Imperial Seal
13%inclusion31 decks236 decks
8%synergy
Creatures
Goblin Welder
47%inclusion112 decks236 decks
45%synergy
Hoverstone Pilgrim
47%inclusion112 decks236 decks
47%synergy
Pawn of Ulamog
47%inclusion111 decks236 decks
45%synergy
Zulaport Cutthroat
47%inclusion110 decks236 decks
39%synergy
Warren Soultrader
45%inclusion107 decks236 decks
37%synergy
Imperial Recruiter
44%inclusion104 decks236 decks
40%synergy
Krenko, Mob Boss
44%inclusion103 decks236 decks
38%synergy
Solemn Simulacrum
39%inclusion93 decks236 decks
21%synergy
Gray Merchant of Asphodel
37%inclusion88 decks236 decks
27%synergy
Palladium Myr
37%inclusion88 decks236 decks
36%synergy
Woe Strider
37%inclusion88 decks236 decks
35%synergy
Blood Artist
36%inclusion86 decks236 decks
18%synergy
Meteor Golem
36%inclusion84 decks236 decks
33%synergy
Boggart Trawler
36%inclusion84 decks236 decks
28%synergy
Treasonous Ogre
35%inclusion83 decks236 decks
32%synergy
Leaden Myr
33%inclusion78 decks236 decks
31%synergy
Iron Myr
33%inclusion78 decks236 decks
31%synergy
Mad Auntie
33%inclusion77 decks236 decks
30%synergy
Anger
33%inclusion77 decks236 decks
20%synergy
Epitaph Golem
32%inclusion75 decks236 decks
31%synergy
Goblin Recruiter
31%inclusion74 decks236 decks
29%synergy
Goblin Warchief
31%inclusion72 decks236 decks
27%synergy
Goblin Trashmaster
30%inclusion70 decks236 decks
28%synergy
Conspicuous Snoop
29%inclusion69 decks236 decks
27%synergy
Emrakul's Hatcher
29%inclusion69 decks236 decks
29%synergy
Ravenous Chupacabra
28%inclusion66 decks236 decks
26%synergy
Pinnacle Monk
28%inclusion66 decks236 decks
21%synergy
Goblin Chieftain
28%inclusion66 decks236 decks
25%synergy
Duplicant
28%inclusion66 decks236 decks
27%synergy
Junktroller
26%inclusion61 decks236 decks
25%synergy
Chainer, Nightmare Adept
26%inclusion61 decks236 decks
18%synergy
Goblin Sharpshooter
25%inclusion59 decks236 decks
24%synergy
Pashalik Mons
24%inclusion57 decks236 decks
22%synergy
Beetleback Chief
24%inclusion57 decks236 decks
23%synergy
Marionette Master
24%inclusion56 decks236 decks
18%synergy
Boggart Harbinger
23%inclusion55 decks236 decks
21%synergy
Ornithopter of Paradise
23%inclusion55 decks236 decks
20%synergy
Goblin Chirurgeon
23%inclusion54 decks236 decks
21%synergy
Hexing Squelcher
22%inclusion32 decks143 decks
8%synergy
Bronze Walrus
22%inclusion52 decks236 decks
22%synergy
Simian Spirit Guide
21%inclusion49 decks236 decks
15%synergy
Mogg War Marshal
21%inclusion49 decks236 decks
18%synergy
Munitions Expert
19%inclusion46 decks236 decks
17%synergy
Clone Shell
19%inclusion46 decks236 decks
19%synergy
Marionette Apprentice
19%inclusion46 decks236 decks
10%synergy
Murderous Rider
19%inclusion45 decks236 decks
18%synergy
Warteye Witch
19%inclusion44 decks236 decks
18%synergy
Boggart Cursecrafter
18%inclusion26 decks141 decks
13%synergy
Crypt Ghast
18%inclusion43 decks236 decks
16%synergy
Moggcatcher
18%inclusion42 decks236 decks
17%synergy
Instants
Valakut Awakening
47%inclusion111 decks236 decks
39%synergy
Dark Ritual
44%inclusion103 decks236 decks
0%synergy
Fire Prophecy
27%inclusion64 decks236 decks
27%synergy
Deflecting Swat
26%inclusion62 decks236 decks
5%synergy
Chaos Warp
23%inclusion54 decks236 decks
-24%synergy
Volcanic Spite
20%inclusion48 decks236 decks
20%synergy
Deadly Rollick
19%inclusion44 decks236 decks
-4%synergy
Red Elemental Blast
18%inclusion42 decks236 decks
9%synergy
Entomb
17%inclusion41 decks236 decks
11%synergy
Terminate
17%inclusion41 decks236 decks
-22%synergy
Culling the Weak
17%inclusion39 decks236 decks
10%synergy
Brightstone Ritual
13%inclusion31 decks236 decks
11%synergy
Pyroblast
13%inclusion30 decks236 decks
4%synergy
Rakdos Charm
12%inclusion28 decks236 decks
-31%synergy
Cabal Ritual
11%inclusion27 decks236 decks
3%synergy
Bedevil
11%inclusion25 decks236 decks
-23%synergy
Malakir Rebirth
10%inclusion24 decks236 decks
-5%synergy
Burnt Offering
10%inclusion23 decks236 decks
5%synergy
Fell the Profane
9.3%inclusion22 decks236 decks
-4%synergy
Battle Hymn
8.1%inclusion19 decks236 decks
6%synergy
Abrade
8.1%inclusion19 decks236 decks
-14%synergy
Imp's Mischief
7.6%inclusion18 decks236 decks
-1%synergy
Redirect Lightning
7.3%inclusion13 decks179 decks
-3%synergy
First Day of Class
7.2%inclusion17 decks236 decks
6%synergy
Thrill of Possibility
6.8%inclusion16 decks236 decks
-11%synergy
Tibalt's Trickery
6.8%inclusion16 decks236 decks
-6%synergy
Saw in Half
6.4%inclusion15 decks236 decks
-5%synergy
Dismember
6.4%inclusion15 decks236 decks
2%synergy
Fire Covenant
5.9%inclusion14 decks236 decks
-1%synergy
Untimely Malfunction
5.9%inclusion14 decks236 decks
-13%synergy
Village Rites
5.9%inclusion14 decks236 decks
-10%synergy
Lightning Bolt
5.9%inclusion14 decks236 decks
-13%synergy
Withering Torment
5.9%inclusion14 decks236 decks
-15%synergy
Seething Song
5.5%inclusion13 decks236 decks
-7%synergy
Sorceries
Doomsday
28%inclusion67 decks236 decks
28%synergy
Faithless Looting
21%inclusion49 decks236 decks
-6%synergy
Blasphemous Act
18%inclusion42 decks236 decks
-34%synergy
Diabolic Intent
17%inclusion41 decks236 decks
9%synergy
Read the Bones
17%inclusion40 decks236 decks
5%synergy
Feed the Swarm
16%inclusion38 decks236 decks
-25%synergy
Reanimate
15%inclusion35 decks236 decks
-8%synergy
Into the Fire
15%inclusion35 decks236 decks
14%synergy
Toxic Deluge
14%inclusion34 decks236 decks
-3%synergy
Vandalblast
12%inclusion29 decks236 decks
-18%synergy
Dread Return
11%inclusion27 decks236 decks
7%synergy
Agadeem's Awakening
11%inclusion26 decks236 decks
8%synergy
Buried Alive
8.9%inclusion21 decks236 decks
4%synergy
Victimize
7.2%inclusion17 decks236 decks
-7%synergy
Grim Tutor
7.2%inclusion17 decks236 decks
3%synergy
Diabolic Tutor
6.8%inclusion16 decks236 decks
1%synergy
Rite of Flame
6.8%inclusion16 decks236 decks
2%synergy
Wheel of Fortune
6.8%inclusion16 decks236 decks
1%synergy
Beseech the Mirror
6.4%inclusion15 decks236 decks
2%synergy
Living Death
5.5%inclusion13 decks236 decks
2%synergy
Unearth
5.1%inclusion12 decks236 decks
0%synergy
Twinflame
5.1%inclusion12 decks236 decks
-1%synergy
Mana Geyser
5.1%inclusion12 decks236 decks
-8%synergy
Utility Artifacts
Teferi's Puzzle Box
24%inclusion56 decks236 decks
23%synergy
Lightning Greaves
23%inclusion54 decks236 decks
-12%synergy
Skullclamp
20%inclusion47 decks236 decks
9%synergy
Phyrexian Altar
20%inclusion47 decks236 decks
14%synergy
Thornbite Staff
16%inclusion37 decks236 decks
15%synergy
Reito Lantern
14%inclusion34 decks236 decks
14%synergy
Nim Deathmantle
14%inclusion33 decks236 decks
13%synergy
Swiftfoot Boots
14%inclusion33 decks236 decks
-17%synergy
Crystal Ball
14%inclusion32 decks236 decks
13%synergy
Darksteel Pendant
12%inclusion29 decks236 decks
12%synergy
Cloak and Dagger
12%inclusion29 decks236 decks
12%synergy
Wishclaw Talisman
11%inclusion26 decks236 decks
5%synergy
Soldevi Digger
11%inclusion25 decks236 decks
10%synergy
Desecrated Tomb
10%inclusion23 decks236 decks
9%synergy
Illusionist's Bracers
8.1%inclusion19 decks236 decks
7%synergy
The One Ring
8.1%inclusion19 decks236 decks
0%synergy
Conjurer's Bauble
6.8%inclusion16 decks236 decks
7%synergy
Sensei's Divining Top
6.4%inclusion15 decks236 decks
1%synergy
Defense Grid
5.5%inclusion13 decks236 decks
4%synergy
Bolas's Citadel
5.1%inclusion12 decks236 decks
-5%synergy
Goblin Charbelcher
5.1%inclusion12 decks236 decks
5%synergy
Altar of Dementia
5.1%inclusion12 decks236 decks
3%synergy
Enchantments
Goblin Bombardment
31%inclusion73 decks236 decks
21%synergy
Impact Tremors
23%inclusion54 decks236 decks
12%synergy
Mana Echoes
19%inclusion46 decks236 decks
19%synergy
Braid of Fire
17%inclusion40 decks236 decks
15%synergy
Necropotence
10%inclusion24 decks236 decks
5%synergy
Animate Dead
10%inclusion24 decks236 decks
1%synergy
Underworld Breach
7.2%inclusion17 decks236 decks
0%synergy
Phyrexian Arena
7.2%inclusion17 decks236 decks
-16%synergy
Mindmoil
6.8%inclusion16 decks236 decks
7%synergy
Fires of Invention
5.9%inclusion14 decks236 decks
6%synergy
Boggart Mischief
5.6%inclusion8 decks143 decks
0%synergy
Blood Moon
5.5%inclusion13 decks236 decks
4%synergy
Chthonian Nightmare
5.5%inclusion13 decks236 decks
3%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
34%inclusion80 decks236 decks
15%synergy
Zhalfirin Void
33%inclusion78 decks236 decks
32%synergy
Phyrexian Tower
30%inclusion71 decks236 decks
19%synergy
Buried Ruin
30%inclusion71 decks236 decks
27%synergy
Great Furnace
28%inclusion67 decks236 decks
22%synergy
Vault of Whispers
28%inclusion65 decks236 decks
21%synergy
Bojuka Bog
21%inclusion49 decks236 decks
-15%synergy
Cabal Coffers
15%inclusion35 decks236 decks
6%synergy
Spinerock Knoll
12%inclusion29 decks236 decks
3%synergy
Inventors' Fair
12%inclusion29 decks236 decks
10%synergy
Urza's Saga
12%inclusion28 decks236 decks
6%synergy
Takenuma, Abandoned Mire
11%inclusion26 decks236 decks
3%synergy
Nykthos, Shrine to Nyx
11%inclusion25 decks236 decks
9%synergy
Drownyard Temple
7.6%inclusion18 decks236 decks
6%synergy
Three Tree City
7.6%inclusion18 decks236 decks
4%synergy
Dakmor Salvage
5.9%inclusion14 decks236 decks
5%synergy
Temple of the False God
5.9%inclusion14 decks236 decks
-4%synergy
Castle Embereth
5.5%inclusion13 decks236 decks
3%synergy
Homeward Path
5.5%inclusion13 decks236 decks
4%synergy
Den of the Bugbear
5.1%inclusion12 decks236 decks
3%synergy
Mana Artifacts
Sol Ring
89%inclusion209 decks236 decks
3%synergy
Arcane Signet
54%inclusion127 decks236 decks
-28%synergy
Rakdos Signet
45%inclusion106 decks236 decks
-11%synergy
Talisman of Indulgence
34%inclusion80 decks236 decks
-21%synergy
Thran Turbine
31%inclusion74 decks236 decks
31%synergy
Fellwar Stone
19%inclusion46 decks236 decks
-14%synergy
Lotus Petal
18%inclusion42 decks236 decks
10%synergy
Mox Amber
12%inclusion29 decks236 decks
8%synergy
Mox Opal
9.3%inclusion22 decks236 decks
5%synergy
Mox Diamond
9.3%inclusion22 decks236 decks
6%synergy
Mind Stone
8.5%inclusion20 decks236 decks
-19%synergy
Springleaf Drum
6.4%inclusion15 decks236 decks
4%synergy
Commander's Sphere
5.1%inclusion12 decks236 decks
-10%synergy
Lands
Swamp
95%inclusion224 decks236 decks
-3%synergy
Mountain
93%inclusion220 decks236 decks
-4%synergy
Command Tower
91%inclusion214 decks236 decks
5%synergy
Blood Crypt
68%inclusion161 decks236 decks
20%synergy
Dragonskull Summit
60%inclusion142 decks236 decks
-5%synergy
Sulfurous Springs
54%inclusion128 decks236 decks
6%synergy
Temple of Malice
53%inclusion125 decks236 decks
21%synergy
Smoldering Marsh
51%inclusion121 decks236 decks
-12%synergy
Luxury Suite
51%inclusion121 decks236 decks
13%synergy
Bloodstained Mire
50%inclusion117 decks236 decks
16%synergy
Valakut Awakening
47%inclusion111 decks236 decks
39%synergy
Graven Cairns
45%inclusion107 decks236 decks
13%synergy
Boggart Trawler
36%inclusion84 decks236 decks
28%synergy
Path of Ancestry
35%inclusion82 decks236 decks
18%synergy
Blightstep Pathway
32%inclusion76 decks236 decks
10%synergy
Foreboding Ruins
31%inclusion73 decks236 decks
-15%synergy
Haunted Ridge
30%inclusion71 decks236 decks
-6%synergy
Badlands
30%inclusion70 decks236 decks
16%synergy
Tainted Peak
30%inclusion70 decks236 decks
-14%synergy
Pinnacle Monk
28%inclusion66 decks236 decks
21%synergy
Shadowblood Ridge
27%inclusion64 decks236 decks
-8%synergy
Blazemire Verge
26%inclusion62 decks236 decks
-5%synergy
Crystal Grotto
25%inclusion58 decks236 decks
24%synergy
Rakdos Carnarium
24%inclusion56 decks236 decks
-6%synergy
Raucous Theater
23%inclusion55 decks236 decks
1%synergy
Exotic Orchard
23%inclusion55 decks236 decks
-8%synergy
Blackcleave Cliffs
22%inclusion51 decks236 decks
1%synergy
Cavern of Souls
20%inclusion47 decks236 decks
15%synergy
Auntie's Hovel
18%inclusion43 decks236 decks
16%synergy
City of Brass
18%inclusion43 decks236 decks
12%synergy
Gemstone Caverns
18%inclusion42 decks236 decks
13%synergy
The Grey Havens
16%inclusion37 decks236 decks
15%synergy
Mount Doom
15%inclusion35 decks236 decks
-1%synergy
Arid Mesa
15%inclusion35 decks236 decks
7%synergy
Marsh Flats
15%inclusion35 decks236 decks
7%synergy
Polluted Delta
14%inclusion34 decks236 decks
6%synergy
Canyon Slough
14%inclusion33 decks236 decks
-6%synergy
Mana Confluence
14%inclusion33 decks236 decks
8%synergy
Wooded Foothills
13%inclusion31 decks236 decks
6%synergy
Scalding Tarn
12%inclusion29 decks236 decks
5%synergy
Agadeem's Awakening
11%inclusion26 decks236 decks
8%synergy
Rumble Arena
11%inclusion17 decks159 decks
10%synergy
Malakir Rebirth
10%inclusion24 decks236 decks
-5%synergy
Opal Palace
10%inclusion24 decks236 decks
9%synergy
Verdant Catacombs
10%inclusion23 decks236 decks
3%synergy
Fell the Profane
9.3%inclusion22 decks236 decks
-4%synergy
Evolving Wilds
8.9%inclusion21 decks236 decks
-11%synergy
Prismatic Vista
8.1%inclusion19 decks236 decks
3%synergy
Snow-Covered Swamp
8.1%inclusion19 decks236 decks
5%synergy
Reflecting Pool
7.6%inclusion18 decks236 decks
4%synergy
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