Grenzo, Dungeon Warden (Commander) - Toolbox

Grenzo, Dungeon Warden
Rank #538
25decks
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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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Sorceries
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Enchantments
Utility Lands
Mana Artifacts
Lands
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Doctor Doom, Unrivaled
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Heartstone
80%inclusion20 decks25 decks
78%synergy
Meteor Golem
72%inclusion18 decks25 decks
70%synergy
Viscera Seer
76%inclusion19 decks25 decks
67%synergy
Barkform Harvester
64%inclusion16 decks25 decks
63%synergy
The Cauldron of Eternity
64%inclusion16 decks25 decks
63%synergy
Ashnod's Altar
72%inclusion18 decks25 decks
62%synergy
Tomb Trawler
60%inclusion15 decks25 decks
59%synergy
Woe Strider
60%inclusion15 decks25 decks
58%synergy
Tel-Jilad Stylus
56%inclusion14 decks25 decks
55%synergy
Siege-Gang Commander
56%inclusion14 decks25 decks
53%synergy
Top Cards
Goblin Engineer
56%inclusion14 decks25 decks
52%synergy
Skirk Prospector
56%inclusion14 decks25 decks
51%synergy
Murderous Redcap
56%inclusion14 decks25 decks
52%synergy
Kiki-Jiki, Mirror Breaker
56%inclusion14 decks25 decks
52%synergy
Gray Merchant of Asphodel
52%inclusion13 decks25 decks
42%synergy
Sling-Gang Lieutenant
52%inclusion13 decks25 decks
49%synergy
Deathbringer Thoctar
52%inclusion13 decks25 decks
51%synergy
Hoverstone Pilgrim
52%inclusion13 decks25 decks
51%synergy
Pitiless Plunderer
48%inclusion12 decks25 decks
35%synergy
Goblin Welder
48%inclusion12 decks25 decks
45%synergy
Game Changers
Vampiric Tutor
24%inclusion6 decks25 decks
10%synergy
Ancient Tomb
20%inclusion5 decks25 decks
11%synergy
Demonic Tutor
20%inclusion5 decks25 decks
2%synergy
Jeska's Will
16%inclusion4 decks25 decks
-7%synergy
Imperial Seal
12%inclusion3 decks25 decks
7%synergy
Mana Vault
12%inclusion3 decks25 decks
7%synergy
Orcish Bowmasters
12%inclusion3 decks25 decks
2%synergy
Chrome Mox
8.0%inclusion2 decks25 decks
2%synergy
Mox Diamond
8.0%inclusion2 decks25 decks
4%synergy
Creatures
Duplicant
48%inclusion12 decks25 decks
47%synergy
Priest of Gix
44%inclusion11 decks25 decks
42%synergy
Mad Auntie
44%inclusion11 decks25 decks
42%synergy
Priest of Urabrask
44%inclusion11 decks25 decks
42%synergy
Zulaport Cutthroat
44%inclusion11 decks25 decks
36%synergy
Zealous Conscripts
44%inclusion11 decks25 decks
42%synergy
Mayhem Devil
44%inclusion11 decks25 decks
20%synergy
Palladium Myr
44%inclusion11 decks25 decks
43%synergy
Workhorse
44%inclusion11 decks25 decks
43%synergy
Emrakul's Hatcher
40%inclusion10 decks25 decks
40%synergy
Goblin Trashmaster
40%inclusion10 decks25 decks
38%synergy
Pawn of Ulamog
40%inclusion10 decks25 decks
37%synergy
Chainer, Nightmare Adept
40%inclusion10 decks25 decks
32%synergy
Krenko, Mob Boss
40%inclusion10 decks25 decks
36%synergy
Solemn Simulacrum
40%inclusion10 decks25 decks
21%synergy
Leaden Myr
40%inclusion10 decks25 decks
38%synergy
Goblin Matron
40%inclusion10 decks25 decks
37%synergy
Treasonous Ogre
40%inclusion10 decks25 decks
37%synergy
Iron Myr
40%inclusion10 decks25 decks
38%synergy
Ravenous Chupacabra
40%inclusion10 decks25 decks
38%synergy
Burnished Hart
36%inclusion9 decks25 decks
31%synergy
Plaguecrafter
36%inclusion9 decks25 decks
32%synergy
Epitaph Golem
36%inclusion9 decks25 decks
35%synergy
Boggart Trawler
36%inclusion9 decks25 decks
29%synergy
Junktroller
36%inclusion9 decks25 decks
35%synergy
Hexing Squelcher
36%inclusion5 decks14 decks
22%synergy
Metallic Mimic
32%inclusion8 decks25 decks
30%synergy
Junk Diver
32%inclusion8 decks25 decks
31%synergy
Mindclaw Shaman
32%inclusion8 decks25 decks
32%synergy
Blood Artist
32%inclusion8 decks25 decks
13%synergy
Anger
32%inclusion8 decks25 decks
19%synergy
Puppeteer Clique
32%inclusion8 decks25 decks
31%synergy
Twilight Diviner
29%inclusion4 decks14 decks
27%synergy
Soldevi Adnate
28%inclusion7 decks25 decks
27%synergy
Accursed Marauder
28%inclusion7 decks25 decks
23%synergy
Ornithopter of Paradise
28%inclusion7 decks25 decks
24%synergy
Warren Soultrader
24%inclusion6 decks25 decks
16%synergy
Goblin Chieftain
24%inclusion6 decks25 decks
22%synergy
Conspicuous Snoop
24%inclusion6 decks25 decks
22%synergy
Dimir House Guard
24%inclusion6 decks25 decks
23%synergy
Goblin Sharpshooter
24%inclusion6 decks25 decks
23%synergy
Judith, the Scourge Diva
24%inclusion6 decks25 decks
21%synergy
Threefold Thunderhulk
24%inclusion6 decks25 decks
23%synergy
Imperial Recruiter
24%inclusion6 decks25 decks
20%synergy
Goblin Recruiter
20%inclusion5 decks25 decks
18%synergy
Vile Entomber
20%inclusion5 decks25 decks
18%synergy
Faceless Butcher
20%inclusion5 decks25 decks
20%synergy
Bronze Walrus
20%inclusion5 decks25 decks
20%synergy
Grim Servant
20%inclusion5 decks25 decks
19%synergy
Murderous Rider
20%inclusion5 decks25 decks
18%synergy
Instants
Valakut Awakening
52%inclusion13 decks25 decks
44%synergy
Chaos Warp
32%inclusion8 decks25 decks
-15%synergy
Volcanic Spite
24%inclusion6 decks25 decks
24%synergy
Fire Prophecy
20%inclusion5 decks25 decks
19%synergy
Withering Torment
17%inclusion4 decks24 decks
-5%synergy
Dark Ritual
16%inclusion4 decks25 decks
-27%synergy
Tibalt's Trickery
16%inclusion4 decks25 decks
3%synergy
Bedevil
16%inclusion4 decks25 decks
-18%synergy
Burnt Offering
12%inclusion3 decks25 decks
7%synergy
Manhole Missile
9.1%inclusion1 decks11 decks
9%synergy
Fell the Profane
8.0%inclusion2 decks25 decks
-5%synergy
Thrill of Possibility
8.0%inclusion2 decks25 decks
-10%synergy
Entomb
8.0%inclusion2 decks25 decks
1%synergy
Wild Magic Surge
8.0%inclusion2 decks25 decks
6%synergy
Terminate
8.0%inclusion2 decks25 decks
-32%synergy
Malakir Rebirth
8.0%inclusion2 decks25 decks
-7%synergy
Deflecting Swat
8.0%inclusion2 decks25 decks
-13%synergy
Red Elemental Blast
8.0%inclusion2 decks25 decks
-1%synergy
Sorceries
Reanimate
24%inclusion6 decks25 decks
1%synergy
Feed the Swarm
20%inclusion5 decks25 decks
-21%synergy
Blasphemous Act
20%inclusion5 decks25 decks
-31%synergy
Into the Fire
20%inclusion5 decks25 decks
19%synergy
Victimize
16%inclusion4 decks25 decks
1%synergy
Faithless Looting
16%inclusion4 decks25 decks
-12%synergy
Doomsday
16%inclusion4 decks25 decks
15%synergy
Dread Return
12%inclusion3 decks25 decks
8%synergy
Sinister Waltz
12%inclusion3 decks25 decks
10%synergy
Lively Dirge
8.0%inclusion2 decks25 decks
6%synergy
Agadeem's Awakening
8.0%inclusion2 decks25 decks
5%synergy
Read the Bones
8.0%inclusion2 decks25 decks
-4%synergy
Praetor's Grasp
8.0%inclusion2 decks25 decks
5%synergy
Living Death
8.0%inclusion2 decks25 decks
4%synergy
Insatiable Avarice
8.0%inclusion2 decks25 decks
4%synergy
Toxic Deluge
8.0%inclusion2 decks25 decks
-9%synergy
Cruel Tutor
8.0%inclusion2 decks25 decks
7%synergy
Grim Tutor
8.0%inclusion2 decks25 decks
4%synergy
Reckless Handling
8.0%inclusion2 decks25 decks
7%synergy
Utility Artifacts
Teferi's Puzzle Box
24%inclusion6 decks25 decks
23%synergy
Phyrexian Altar
24%inclusion6 decks25 decks
18%synergy
Cloak and Dagger
20%inclusion5 decks25 decks
20%synergy
Reito Lantern
20%inclusion5 decks25 decks
20%synergy
Desecrated Tomb
16%inclusion4 decks25 decks
15%synergy
Crystal Ball
16%inclusion4 decks25 decks
16%synergy
Lightning Greaves
16%inclusion4 decks25 decks
-19%synergy
Thornbite Staff
16%inclusion4 decks25 decks
15%synergy
Sensei's Divining Top
12%inclusion3 decks25 decks
6%synergy
Darksteel Pendant
12%inclusion3 decks25 decks
12%synergy
Skullclamp
12%inclusion3 decks25 decks
2%synergy
Nim Deathmantle
12%inclusion3 decks25 decks
11%synergy
Soldevi Digger
12%inclusion3 decks25 decks
12%synergy
Illusionist's Bracers
8.0%inclusion2 decks25 decks
7%synergy
Jar of Eyeballs
8.0%inclusion2 decks25 decks
8%synergy
Conjurer's Bauble
8.0%inclusion2 decks25 decks
8%synergy
Scroll Rack
8.0%inclusion2 decks25 decks
7%synergy
Swiftfoot Boots
8.0%inclusion2 decks25 decks
-24%synergy
Goblin Charbelcher
8.0%inclusion2 decks25 decks
8%synergy
Altar of Dementia
8.0%inclusion2 decks25 decks
6%synergy
Enchantments
Goblin Bombardment
32%inclusion8 decks25 decks
22%synergy
Impact Tremors
28%inclusion7 decks25 decks
17%synergy
Fires of Invention
16%inclusion4 decks25 decks
16%synergy
Mindmoil
16%inclusion4 decks25 decks
16%synergy
Boggart Mischief
14%inclusion2 decks14 decks
10%synergy
Braid of Fire
12%inclusion3 decks25 decks
10%synergy
Shadows of the Past
12%inclusion3 decks25 decks
12%synergy
Teval's Judgment
9.1%inclusion2 decks22 decks
8%synergy
Thran Vigil
8.0%inclusion2 decks25 decks
7%synergy
Meek Attack
7.1%inclusion1 decks14 decks
7%synergy
Utility Lands
Buried Ruin
56%inclusion14 decks25 decks
53%synergy
Zhalfirin Void
44%inclusion11 decks25 decks
43%synergy
Vault of Whispers
32%inclusion8 decks25 decks
26%synergy
Great Furnace
32%inclusion8 decks25 decks
26%synergy
Bojuka Bog
28%inclusion7 decks25 decks
-8%synergy
Urborg, Tomb of Yawgmoth
28%inclusion7 decks25 decks
9%synergy
Phyrexian Tower
20%inclusion5 decks25 decks
9%synergy
Crypt of Agadeem
16%inclusion4 decks25 decks
15%synergy
Cabal Coffers
12%inclusion3 decks25 decks
3%synergy
Nykthos, Shrine to Nyx
12%inclusion3 decks25 decks
10%synergy
High Market
12%inclusion3 decks25 decks
8%synergy
Inventors' Fair
12%inclusion3 decks25 decks
10%synergy
Takenuma, Abandoned Mire
12%inclusion3 decks25 decks
4%synergy
Drownyard Temple
12%inclusion3 decks25 decks
11%synergy
Homeward Path
12%inclusion3 decks25 decks
11%synergy
Temple of the False God
12%inclusion3 decks25 decks
2%synergy
Rogue's Passage
12%inclusion3 decks25 decks
-8%synergy
Den of the Bugbear
12%inclusion3 decks25 decks
10%synergy
Westvale Abbey
8.0%inclusion2 decks25 decks
6%synergy
Boseiju, Who Shelters All
8.0%inclusion2 decks25 decks
7%synergy
Arid Archway
8.0%inclusion2 decks25 decks
7%synergy
Spinerock Knoll
8.0%inclusion2 decks25 decks
-1%synergy
Spymaster's Vault
8.0%inclusion2 decks25 decks
5%synergy
Witch's Cottage
8.0%inclusion2 decks25 decks
5%synergy
Dakmor Salvage
8.0%inclusion2 decks25 decks
7%synergy
Fire Nation Palace
7.1%inclusion1 decks14 decks
2%synergy
Mana Artifacts
Sol Ring
76%inclusion19 decks25 decks
-10%synergy
Arcane Signet
52%inclusion13 decks25 decks
-30%synergy
Rakdos Signet
40%inclusion10 decks25 decks
-17%synergy
Thran Turbine
24%inclusion6 decks25 decks
23%synergy
Talisman of Indulgence
20%inclusion5 decks25 decks
-35%synergy
Mind Stone
16%inclusion4 decks25 decks
-12%synergy
Fellwar Stone
12%inclusion3 decks25 decks
-21%synergy
Mox Amber
8.0%inclusion2 decks25 decks
4%synergy
Springleaf Drum
8.0%inclusion2 decks25 decks
6%synergy
The Eternity Elevator
5.0%inclusion1 decks20 decks
4%synergy
Lands
Swamp
100%inclusion25 decks25 decks
2%synergy
Mountain
100%inclusion25 decks25 decks
3%synergy
Command Tower
92%inclusion23 decks25 decks
6%synergy
Blood Crypt
64%inclusion16 decks25 decks
17%synergy
Dragonskull Summit
64%inclusion16 decks25 decks
-0%synergy
Sulfurous Springs
64%inclusion16 decks25 decks
16%synergy
Smoldering Marsh
60%inclusion15 decks25 decks
-4%synergy
Temple of Malice
56%inclusion14 decks25 decks
23%synergy
Valakut Awakening
52%inclusion13 decks25 decks
44%synergy
Shadowblood Ridge
44%inclusion11 decks25 decks
9%synergy
Tainted Peak
44%inclusion11 decks25 decks
1%synergy
Foreboding Ruins
40%inclusion10 decks25 decks
-6%synergy
Exotic Orchard
36%inclusion9 decks25 decks
5%synergy
Graven Cairns
36%inclusion9 decks25 decks
4%synergy
Boggart Trawler
36%inclusion9 decks25 decks
29%synergy
Path of Ancestry
32%inclusion8 decks25 decks
16%synergy
Rakdos Carnarium
28%inclusion7 decks25 decks
-3%synergy
Luxury Suite
28%inclusion7 decks25 decks
-10%synergy
Blightstep Pathway
28%inclusion7 decks25 decks
6%synergy
Bloodstained Mire
28%inclusion7 decks25 decks
-5%synergy
Blazemire Verge
25%inclusion6 decks24 decks
-6%synergy
Raucous Theater
24%inclusion6 decks25 decks
2%synergy
Canyon Slough
24%inclusion6 decks25 decks
4%synergy
Cavern of Souls
24%inclusion6 decks25 decks
19%synergy
Myriad Landscape
20%inclusion5 decks25 decks
3%synergy
The Grey Havens
20%inclusion5 decks25 decks
19%synergy
Haunted Ridge
20%inclusion5 decks25 decks
-16%synergy
Badlands
16%inclusion4 decks25 decks
3%synergy
Ash Barrens
16%inclusion4 decks25 decks
9%synergy
Blackcleave Cliffs
16%inclusion4 decks25 decks
-4%synergy
Demolition Field
16%inclusion4 decks25 decks
13%synergy
Maestros Theater
16%inclusion4 decks25 decks
14%synergy
Evolving Wilds
16%inclusion4 decks25 decks
-5%synergy
Arid Mesa
16%inclusion4 decks25 decks
8%synergy
Crystal Grotto
16%inclusion4 decks25 decks
15%synergy
Rumble Arena
14%inclusion2 decks14 decks
14%synergy
Auntie's Hovel
12%inclusion3 decks25 decks
10%synergy
Riveteers Overlook
12%inclusion3 decks25 decks
10%synergy
Wooded Foothills
12%inclusion3 decks25 decks
5%synergy
Opal Palace
12%inclusion3 decks25 decks
11%synergy
Scalding Tarn
12%inclusion3 decks25 decks
5%synergy
Mana Confluence
12%inclusion3 decks25 decks
6%synergy
Polluted Delta
12%inclusion3 decks25 decks
4%synergy
Pinnacle Monk
12%inclusion3 decks25 decks
5%synergy
Fell the Profane
8.0%inclusion2 decks25 decks
-5%synergy
Terramorphic Expanse
8.0%inclusion2 decks25 decks
-7%synergy
Urza's Cave
8.0%inclusion2 decks25 decks
7%synergy
Agadeem's Awakening
8.0%inclusion2 decks25 decks
5%synergy
Verdant Catacombs
8.0%inclusion2 decks25 decks
1%synergy
Plaza of Heroes
8.0%inclusion2 decks25 decks
6%synergy
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