Grenzo, Dungeon Warden (Commander) - Toolbox

Grenzo, Dungeon Warden
Rank #540
21decks
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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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Enchantments
Utility Lands
Mana Artifacts
Lands
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Heartstone
81%inclusion17 decks21 decks
79%synergy
Viscera Seer
81%inclusion17 decks21 decks
72%synergy
Ashnod's Altar
76%inclusion16 decks21 decks
66%synergy
Meteor Golem
67%inclusion14 decks21 decks
64%synergy
Barkform Harvester
60%inclusion12 decks20 decks
59%synergy
Siege-Gang Commander
62%inclusion13 decks21 decks
59%synergy
Hoverstone Pilgrim
57%inclusion12 decks21 decks
57%synergy
Tomb Trawler
57%inclusion12 decks21 decks
56%synergy
The Cauldron of Eternity
57%inclusion12 decks21 decks
56%synergy
Woe Strider
57%inclusion12 decks21 decks
55%synergy
Top Cards
Murderous Redcap
57%inclusion12 decks21 decks
54%synergy
Pitiless Plunderer
57%inclusion12 decks21 decks
45%synergy
Skirk Prospector
57%inclusion12 decks21 decks
52%synergy
Goblin Engineer
57%inclusion12 decks21 decks
53%synergy
Zealous Conscripts
52%inclusion11 decks21 decks
50%synergy
Gray Merchant of Asphodel
52%inclusion11 decks21 decks
42%synergy
Sling-Gang Lieutenant
52%inclusion11 decks21 decks
49%synergy
Tel-Jilad Stylus
52%inclusion11 decks21 decks
52%synergy
Kiki-Jiki, Mirror Breaker
52%inclusion11 decks21 decks
48%synergy
Priest of Urabrask
52%inclusion11 decks21 decks
50%synergy
Game Changers
Ancient Tomb
19%inclusion4 decks21 decks
10%synergy
Vampiric Tutor
19%inclusion4 decks21 decks
5%synergy
Imperial Seal
14%inclusion3 decks21 decks
9%synergy
Demonic Tutor
14%inclusion3 decks21 decks
-3%synergy
Orcish Bowmasters
14%inclusion3 decks21 decks
4%synergy
Jeska's Will
10%inclusion2 decks21 decks
-14%synergy
Mana Vault
10%inclusion2 decks21 decks
4%synergy
Gamble
10%inclusion2 decks21 decks
0%synergy
Creatures
Duplicant
52%inclusion11 decks21 decks
52%synergy
Solemn Simulacrum
48%inclusion10 decks21 decks
28%synergy
Deathbringer Thoctar
48%inclusion10 decks21 decks
47%synergy
Workhorse
48%inclusion10 decks21 decks
47%synergy
Priest of Gix
48%inclusion10 decks21 decks
45%synergy
Hexing Squelcher
44%inclusion4 decks9 decks
31%synergy
Emrakul's Hatcher
43%inclusion9 decks21 decks
42%synergy
Krenko, Mob Boss
43%inclusion9 decks21 decks
39%synergy
Burnished Hart
43%inclusion9 decks21 decks
38%synergy
Pawn of Ulamog
43%inclusion9 decks21 decks
40%synergy
Goblin Welder
43%inclusion9 decks21 decks
40%synergy
Mad Auntie
43%inclusion9 decks21 decks
41%synergy
Goblin Trashmaster
38%inclusion8 decks21 decks
36%synergy
Goblin Matron
38%inclusion8 decks21 decks
35%synergy
Chainer, Nightmare Adept
38%inclusion8 decks21 decks
30%synergy
Metallic Mimic
38%inclusion8 decks21 decks
36%synergy
Mayhem Devil
38%inclusion8 decks21 decks
14%synergy
Iron Myr
38%inclusion8 decks21 decks
36%synergy
Boggart Trawler
38%inclusion8 decks21 decks
31%synergy
Zulaport Cutthroat
38%inclusion8 decks21 decks
30%synergy
Palladium Myr
38%inclusion8 decks21 decks
37%synergy
Ravenous Chupacabra
38%inclusion8 decks21 decks
36%synergy
Treasonous Ogre
38%inclusion8 decks21 decks
35%synergy
Epitaph Golem
38%inclusion8 decks21 decks
38%synergy
Anger
38%inclusion8 decks21 decks
25%synergy
Leaden Myr
38%inclusion8 decks21 decks
36%synergy
Ornithopter of Paradise
33%inclusion7 decks21 decks
30%synergy
Junktroller
33%inclusion7 decks21 decks
33%synergy
Mindclaw Shaman
29%inclusion6 decks21 decks
28%synergy
Murderous Rider
29%inclusion6 decks21 decks
27%synergy
Plaguecrafter
29%inclusion6 decks21 decks
24%synergy
Dimir House Guard
29%inclusion6 decks21 decks
28%synergy
Judith, the Scourge Diva
29%inclusion6 decks21 decks
26%synergy
Goblin Sharpshooter
29%inclusion6 decks21 decks
27%synergy
Puppeteer Clique
24%inclusion5 decks21 decks
23%synergy
Junk Diver
24%inclusion5 decks21 decks
23%synergy
Blood Artist
24%inclusion5 decks21 decks
5%synergy
Bronze Walrus
24%inclusion5 decks21 decks
23%synergy
Imperial Recruiter
24%inclusion5 decks21 decks
20%synergy
Faceless Butcher
24%inclusion5 decks21 decks
24%synergy
Crypt Ghast
24%inclusion5 decks21 decks
21%synergy
Threefold Thunderhulk
24%inclusion5 decks21 decks
23%synergy
Marionette Master
24%inclusion5 decks21 decks
18%synergy
Soldevi Adnate
24%inclusion5 decks21 decks
23%synergy
Twilight Diviner
22%inclusion2 decks9 decks
20%synergy
Eclipsed Boggart
22%inclusion2 decks9 decks
18%synergy
Illuminor Szeras
19%inclusion4 decks21 decks
18%synergy
Grim Servant
19%inclusion4 decks21 decks
18%synergy
Treasure Nabber
19%inclusion4 decks21 decks
15%synergy
Goblin Chieftain
19%inclusion4 decks21 decks
17%synergy
Instants
Valakut Awakening
38%inclusion8 decks21 decks
30%synergy
Chaos Warp
33%inclusion7 decks21 decks
-14%synergy
Volcanic Spite
24%inclusion5 decks21 decks
23%synergy
Withering Torment
21%inclusion4 decks19 decks
-1%synergy
Dark Ritual
19%inclusion4 decks21 decks
-23%synergy
Tibalt's Trickery
19%inclusion4 decks21 decks
6%synergy
Fire Prophecy
19%inclusion4 decks21 decks
18%synergy
Burnt Offering
14%inclusion3 decks21 decks
9%synergy
Bedevil
14%inclusion3 decks21 decks
-20%synergy
Entomb
10%inclusion2 decks21 decks
2%synergy
Wild Magic Surge
10%inclusion2 decks21 decks
7%synergy
Terminate
10%inclusion2 decks21 decks
-30%synergy
Deflecting Swat
10%inclusion2 decks21 decks
-11%synergy
Saw in Half
10%inclusion2 decks21 decks
-2%synergy
Untimely Malfunction
5.3%inclusion1 decks19 decks
-13%synergy
Sorceries
Faithless Looting
19%inclusion4 decks21 decks
-9%synergy
Doomsday
19%inclusion4 decks21 decks
19%synergy
Blasphemous Act
19%inclusion4 decks21 decks
-32%synergy
Reanimate
19%inclusion4 decks21 decks
-4%synergy
Victimize
14%inclusion3 decks21 decks
-1%synergy
Feed the Swarm
14%inclusion3 decks21 decks
-27%synergy
Into the Fire
14%inclusion3 decks21 decks
13%synergy
Lively Dirge
10%inclusion2 decks21 decks
7%synergy
Dread Return
10%inclusion2 decks21 decks
5%synergy
Sinister Waltz
10%inclusion2 decks21 decks
8%synergy
Agadeem's Awakening
10%inclusion2 decks21 decks
6%synergy
Read the Bones
10%inclusion2 decks21 decks
-3%synergy
Living Death
10%inclusion2 decks21 decks
6%synergy
Insatiable Avarice
10%inclusion2 decks21 decks
5%synergy
Toxic Deluge
10%inclusion2 decks21 decks
-8%synergy
Cruel Tutor
10%inclusion2 decks21 decks
9%synergy
Grim Tutor
10%inclusion2 decks21 decks
5%synergy
Reckless Handling
10%inclusion2 decks21 decks
8%synergy
Blasphemous Edict
5.6%inclusion1 decks18 decks
-3%synergy
Utility Artifacts
Phyrexian Altar
33%inclusion7 decks21 decks
28%synergy
Teferi's Puzzle Box
24%inclusion5 decks21 decks
23%synergy
Reito Lantern
24%inclusion5 decks21 decks
24%synergy
Desecrated Tomb
19%inclusion4 decks21 decks
18%synergy
Cloak and Dagger
19%inclusion4 decks21 decks
19%synergy
Soldevi Digger
19%inclusion4 decks21 decks
19%synergy
Lightning Greaves
19%inclusion4 decks21 decks
-16%synergy
Thornbite Staff
19%inclusion4 decks21 decks
19%synergy
Darksteel Pendant
14%inclusion3 decks21 decks
14%synergy
Nim Deathmantle
14%inclusion3 decks21 decks
14%synergy
Crystal Ball
14%inclusion3 decks21 decks
14%synergy
Illusionist's Bracers
10%inclusion2 decks21 decks
9%synergy
Skullclamp
10%inclusion2 decks21 decks
0%synergy
Swiftfoot Boots
10%inclusion2 decks21 decks
-22%synergy
Enchantments
Impact Tremors
24%inclusion5 decks21 decks
12%synergy
Goblin Bombardment
24%inclusion5 decks21 decks
14%synergy
Fires of Invention
19%inclusion4 decks21 decks
19%synergy
Mindmoil
14%inclusion3 decks21 decks
14%synergy
Braid of Fire
14%inclusion3 decks21 decks
12%synergy
Teval's Judgment
12%inclusion2 decks17 decks
11%synergy
Meek Attack
11%inclusion1 decks9 decks
11%synergy
Boggart Mischief
11%inclusion1 decks9 decks
7%synergy
Thran Vigil
10%inclusion2 decks21 decks
8%synergy
Utility Lands
Buried Ruin
52%inclusion11 decks21 decks
49%synergy
Zhalfirin Void
43%inclusion9 decks21 decks
42%synergy
Great Furnace
38%inclusion8 decks21 decks
32%synergy
Vault of Whispers
33%inclusion7 decks21 decks
27%synergy
Urborg, Tomb of Yawgmoth
29%inclusion6 decks21 decks
10%synergy
Bojuka Bog
24%inclusion5 decks21 decks
-12%synergy
High Market
19%inclusion4 decks21 decks
15%synergy
Phyrexian Tower
14%inclusion3 decks21 decks
4%synergy
Cabal Coffers
14%inclusion3 decks21 decks
5%synergy
Nykthos, Shrine to Nyx
14%inclusion3 decks21 decks
12%synergy
Inventors' Fair
14%inclusion3 decks21 decks
13%synergy
Drownyard Temple
14%inclusion3 decks21 decks
13%synergy
Homeward Path
14%inclusion3 decks21 decks
13%synergy
Rogue's Passage
14%inclusion3 decks21 decks
-5%synergy
Fire Nation Palace
11%inclusion1 decks9 decks
6%synergy
Westvale Abbey
10%inclusion2 decks21 decks
8%synergy
Boseiju, Who Shelters All
10%inclusion2 decks21 decks
9%synergy
Arid Archway
10%inclusion2 decks21 decks
9%synergy
Crypt of Agadeem
10%inclusion2 decks21 decks
9%synergy
Spinerock Knoll
10%inclusion2 decks21 decks
0%synergy
Takenuma, Abandoned Mire
10%inclusion2 decks21 decks
1%synergy
Dakmor Salvage
10%inclusion2 decks21 decks
9%synergy
Temple of the False God
10%inclusion2 decks21 decks
0%synergy
Den of the Bugbear
10%inclusion2 decks21 decks
8%synergy
Rockface Village
5.0%inclusion1 decks20 decks
3%synergy
Mudflat Village
5.0%inclusion1 decks20 decks
3%synergy
Three Tree City
5.0%inclusion1 decks20 decks
2%synergy
Mana Artifacts
Sol Ring
76%inclusion16 decks21 decks
-10%synergy
Arcane Signet
38%inclusion8 decks21 decks
-44%synergy
Rakdos Signet
33%inclusion7 decks21 decks
-24%synergy
Thran Turbine
19%inclusion4 decks21 decks
18%synergy
Talisman of Indulgence
14%inclusion3 decks21 decks
-41%synergy
Mind Stone
10%inclusion2 decks21 decks
-19%synergy
Lands
Swamp
100%inclusion21 decks21 decks
2%synergy
Mountain
100%inclusion21 decks21 decks
3%synergy
Command Tower
90%inclusion19 decks21 decks
4%synergy
Dragonskull Summit
62%inclusion13 decks21 decks
-2%synergy
Blood Crypt
57%inclusion12 decks21 decks
10%synergy
Sulfurous Springs
57%inclusion12 decks21 decks
10%synergy
Temple of Malice
52%inclusion11 decks21 decks
19%synergy
Smoldering Marsh
48%inclusion10 decks21 decks
-16%synergy
Shadowblood Ridge
43%inclusion9 decks21 decks
8%synergy
Graven Cairns
38%inclusion8 decks21 decks
7%synergy
Boggart Trawler
38%inclusion8 decks21 decks
31%synergy
Tainted Peak
38%inclusion8 decks21 decks
-5%synergy
Path of Ancestry
38%inclusion8 decks21 decks
22%synergy
Valakut Awakening
38%inclusion8 decks21 decks
30%synergy
Foreboding Ruins
33%inclusion7 decks21 decks
-12%synergy
Rakdos Carnarium
29%inclusion6 decks21 decks
-3%synergy
Exotic Orchard
29%inclusion6 decks21 decks
-2%synergy
Luxury Suite
29%inclusion6 decks21 decks
-9%synergy
Blightstep Pathway
29%inclusion6 decks21 decks
6%synergy
Blazemire Verge
26%inclusion5 decks19 decks
-4%synergy
Canyon Slough
24%inclusion5 decks21 decks
4%synergy
Myriad Landscape
24%inclusion5 decks21 decks
6%synergy
Cavern of Souls
24%inclusion5 decks21 decks
19%synergy
The Grey Havens
24%inclusion5 decks21 decks
23%synergy
Bloodstained Mire
24%inclusion5 decks21 decks
-9%synergy
Rumble Arena
22%inclusion2 decks9 decks
22%synergy
Ash Barrens
19%inclusion4 decks21 decks
12%synergy
Demolition Field
19%inclusion4 decks21 decks
16%synergy
Maestros Theater
19%inclusion4 decks21 decks
17%synergy
Evolving Wilds
19%inclusion4 decks21 decks
-2%synergy
Haunted Ridge
19%inclusion4 decks21 decks
-17%synergy
Crystal Grotto
19%inclusion4 decks21 decks
18%synergy
Raucous Theater
14%inclusion3 decks21 decks
-8%synergy
Badlands
14%inclusion3 decks21 decks
1%synergy
Auntie's Hovel
14%inclusion3 decks21 decks
13%synergy
Riveteers Overlook
14%inclusion3 decks21 decks
12%synergy
Blackcleave Cliffs
14%inclusion3 decks21 decks
-6%synergy
Opal Palace
14%inclusion3 decks21 decks
13%synergy
Geothermal Bog
14%inclusion3 decks21 decks
5%synergy
Eclipsed Realms
11%inclusion1 decks9 decks
9%synergy
Terramorphic Expanse
10%inclusion2 decks21 decks
-6%synergy
Agadeem's Awakening
10%inclusion2 decks21 decks
6%synergy
Plaza of Heroes
10%inclusion2 decks21 decks
8%synergy
Pinnacle Monk
10%inclusion2 decks21 decks
2%synergy
Hidden Grotto
5.0%inclusion1 decks20 decks
4%synergy
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