Grenzo, Dungeon Warden (Commander) - Upgraded Toolbox

Grenzo, Dungeon Warden
Rank #543
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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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Instants
Sorceries
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Enchantments
Utility Lands
Mana Artifacts
Lands
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The Cauldron of Eternity
90%inclusion9 decks10 decks
89%synergy
Heartstone
90%inclusion9 decks10 decks
88%synergy
Ashnod's Altar
90%inclusion9 decks10 decks
80%synergy
Tel-Jilad Stylus
80%inclusion8 decks10 decks
79%synergy
Gray Merchant of Asphodel
80%inclusion8 decks10 decks
70%synergy
Tomb Trawler
70%inclusion7 decks10 decks
69%synergy
Palladium Myr
70%inclusion7 decks10 decks
69%synergy
Meteor Golem
70%inclusion7 decks10 decks
68%synergy
Goblin Engineer
70%inclusion7 decks10 decks
66%synergy
Skirk Prospector
70%inclusion7 decks10 decks
65%synergy
Top Cards
Deathbringer Thoctar
60%inclusion6 decks10 decks
59%synergy
Woe Strider
60%inclusion6 decks10 decks
58%synergy
Sling-Gang Lieutenant
60%inclusion6 decks10 decks
56%synergy
Burnished Hart
60%inclusion6 decks10 decks
56%synergy
Goblin Welder
60%inclusion6 decks10 decks
57%synergy
Kiki-Jiki, Mirror Breaker
60%inclusion6 decks10 decks
56%synergy
Workhorse
60%inclusion6 decks10 decks
59%synergy
Siege-Gang Commander
60%inclusion6 decks10 decks
56%synergy
Viscera Seer
60%inclusion6 decks10 decks
51%synergy
Barkform Harvester
60%inclusion6 decks10 decks
59%synergy
Game Changers
Jeska's Will
20%inclusion2 decks10 decks
-3%synergy
Ancient Tomb
20%inclusion2 decks10 decks
11%synergy
Vampiric Tutor
20%inclusion2 decks10 decks
6%synergy
Imperial Seal
10%inclusion1 decks10 decks
5%synergy
Mana Vault
10%inclusion1 decks10 decks
5%synergy
Demonic Tutor
10%inclusion1 decks10 decks
-8%synergy
Gamble
10%inclusion1 decks10 decks
0%synergy
Braids, Cabal Minion
10%inclusion1 decks10 decks
10%synergy
Orcish Bowmasters
10%inclusion1 decks10 decks
-1%synergy
Creatures
Boggart Trawler
60%inclusion6 decks10 decks
53%synergy
Murderous Redcap
50%inclusion5 decks10 decks
46%synergy
Plaguecrafter
50%inclusion5 decks10 decks
46%synergy
Mad Auntie
50%inclusion5 decks10 decks
48%synergy
Treasonous Ogre
50%inclusion5 decks10 decks
47%synergy
Goblin Matron
50%inclusion5 decks10 decks
46%synergy
Solemn Simulacrum
50%inclusion5 decks10 decks
31%synergy
Priest of Urabrask
50%inclusion5 decks10 decks
48%synergy
Soldevi Adnate
50%inclusion5 decks10 decks
49%synergy
Goblin Trashmaster
50%inclusion5 decks10 decks
48%synergy
Anger
50%inclusion5 decks10 decks
37%synergy
Ravenous Chupacabra
50%inclusion5 decks10 decks
48%synergy
Zealous Conscripts
50%inclusion5 decks10 decks
48%synergy
Pawn of Ulamog
50%inclusion5 decks10 decks
47%synergy
Emrakul's Hatcher
50%inclusion5 decks10 decks
50%synergy
Mayhem Devil
50%inclusion5 decks10 decks
25%synergy
Twilight Diviner
43%inclusion3 decks7 decks
41%synergy
Epitaph Golem
40%inclusion4 decks10 decks
40%synergy
Priest of Gix
40%inclusion4 decks10 decks
38%synergy
Flayer of the Hatebound
40%inclusion4 decks10 decks
39%synergy
Phyrexian Delver
40%inclusion4 decks10 decks
39%synergy
Iron Myr
40%inclusion4 decks10 decks
38%synergy
Zulaport Cutthroat
40%inclusion4 decks10 decks
32%synergy
Metallic Mimic
40%inclusion4 decks10 decks
38%synergy
Chainer, Nightmare Adept
40%inclusion4 decks10 decks
32%synergy
Pitiless Plunderer
40%inclusion4 decks10 decks
27%synergy
Pilgrim's Eye
40%inclusion4 decks10 decks
40%synergy
Leaden Myr
40%inclusion4 decks10 decks
38%synergy
Junk Diver
40%inclusion4 decks10 decks
39%synergy
Duplicant
40%inclusion4 decks10 decks
39%synergy
Mindclaw Shaman
40%inclusion4 decks10 decks
40%synergy
Hoverstone Pilgrim
40%inclusion4 decks10 decks
39%synergy
Conspicuous Snoop
30%inclusion3 decks10 decks
28%synergy
Body Launderer
30%inclusion3 decks10 decks
30%synergy
Goblin Chirurgeon
30%inclusion3 decks10 decks
28%synergy
Marionette Master
30%inclusion3 decks10 decks
24%synergy
Accursed Marauder
30%inclusion3 decks10 decks
25%synergy
Goblin Sharpshooter
30%inclusion3 decks10 decks
29%synergy
Judith, the Scourge Diva
30%inclusion3 decks10 decks
27%synergy
Threefold Thunderhulk
30%inclusion3 decks10 decks
29%synergy
Warren Soultrader
30%inclusion3 decks10 decks
22%synergy
Krenko, Mob Boss
30%inclusion3 decks10 decks
25%synergy
Faceless Butcher
30%inclusion3 decks10 decks
30%synergy
Imperial Recruiter
30%inclusion3 decks10 decks
26%synergy
Fleshbag Marauder
30%inclusion3 decks10 decks
27%synergy
Body Snatcher
30%inclusion3 decks10 decks
30%synergy
Goblin Warchief
30%inclusion3 decks10 decks
27%synergy
Goblin Chieftain
30%inclusion3 decks10 decks
28%synergy
Priest of Forgotten Gods
30%inclusion3 decks10 decks
28%synergy
Puppeteer Clique
30%inclusion3 decks10 decks
29%synergy
Instants
Valakut Awakening
60%inclusion6 decks10 decks
52%synergy
Chaos Warp
30%inclusion3 decks10 decks
-17%synergy
Fell the Profane
20%inclusion2 decks10 decks
7%synergy
Volcanic Spite
20%inclusion2 decks10 decks
20%synergy
Tibalt's Trickery
20%inclusion2 decks10 decks
7%synergy
Bedevil
20%inclusion2 decks10 decks
-14%synergy
Overkill
11%inclusion1 decks9 decks
8%synergy
Decaying Time Loop
10%inclusion1 decks10 decks
10%synergy
Thrill of Possibility
10%inclusion1 decks10 decks
-8%synergy
Entomb
10%inclusion1 decks10 decks
3%synergy
Thrilling Encore
10%inclusion1 decks10 decks
9%synergy
Soul Shatter
10%inclusion1 decks10 decks
6%synergy
Burnt Offering
10%inclusion1 decks10 decks
5%synergy
Malakir Rebirth
10%inclusion1 decks10 decks
-5%synergy
Fire Prophecy
10%inclusion1 decks10 decks
9%synergy
Overwhelming Remorse
10%inclusion1 decks10 decks
10%synergy
Succumb to Temptation
10%inclusion1 decks10 decks
10%synergy
Electric Revelation
10%inclusion1 decks10 decks
9%synergy
Cathartic Pyre
10%inclusion1 decks10 decks
9%synergy
Sorceries
Reanimate
30%inclusion3 decks10 decks
7%synergy
Victimize
20%inclusion2 decks10 decks
5%synergy
Feed the Swarm
20%inclusion2 decks10 decks
-21%synergy
Living Death
20%inclusion2 decks10 decks
16%synergy
Witch's Mark
10%inclusion1 decks10 decks
9%synergy
Cathartic Reunion
10%inclusion1 decks10 decks
4%synergy
Terror Tide
10%inclusion1 decks10 decks
10%synergy
Structural Assault
10%inclusion1 decks10 decks
10%synergy
Dread Return
10%inclusion1 decks10 decks
6%synergy
Faithless Looting
10%inclusion1 decks10 decks
-17%synergy
Mizzium Mortars
10%inclusion1 decks10 decks
9%synergy
Doomsday
10%inclusion1 decks10 decks
9%synergy
Blasphemous Act
10%inclusion1 decks10 decks
-41%synergy
Change of Fortune
10%inclusion1 decks10 decks
9%synergy
Last One Standing
10%inclusion1 decks10 decks
8%synergy
Mob Rule
10%inclusion1 decks10 decks
8%synergy
Damnation
10%inclusion1 decks10 decks
3%synergy
Into the Fire
10%inclusion1 decks10 decks
9%synergy
Burn at the Stake
10%inclusion1 decks10 decks
10%synergy
Reckless Handling
10%inclusion1 decks10 decks
9%synergy
Utility Artifacts
Reito Lantern
30%inclusion3 decks10 decks
30%synergy
Desecrated Tomb
20%inclusion2 decks10 decks
19%synergy
Sensei's Divining Top
20%inclusion2 decks10 decks
14%synergy
Teferi's Puzzle Box
20%inclusion2 decks10 decks
19%synergy
Darksteel Pendant
20%inclusion2 decks10 decks
20%synergy
Skullclamp
20%inclusion2 decks10 decks
10%synergy
Cloak and Dagger
20%inclusion2 decks10 decks
20%synergy
Phyrexian Altar
20%inclusion2 decks10 decks
14%synergy
Thornbite Staff
20%inclusion2 decks10 decks
19%synergy
Treasure Map
10%inclusion1 decks10 decks
9%synergy
Illusionist's Bracers
10%inclusion1 decks10 decks
9%synergy
Jar of Eyeballs
10%inclusion1 decks10 decks
10%synergy
Wayfarer's Bauble
10%inclusion1 decks10 decks
-2%synergy
Crucible of Worlds
10%inclusion1 decks10 decks
9%synergy
Conjurer's Bauble
10%inclusion1 decks10 decks
10%synergy
Scroll Rack
10%inclusion1 decks10 decks
9%synergy
Nim Deathmantle
10%inclusion1 decks10 decks
9%synergy
Soldevi Digger
10%inclusion1 decks10 decks
10%synergy
Crystal Ball
10%inclusion1 decks10 decks
10%synergy
Swiftfoot Boots
10%inclusion1 decks10 decks
-21%synergy
Executioner's Capsule
10%inclusion1 decks10 decks
10%synergy
Enchantments
Goblin Bombardment
30%inclusion3 decks10 decks
20%synergy
Thran Vigil
10%inclusion1 decks10 decks
9%synergy
The Meathook Massacre
10%inclusion1 decks10 decks
6%synergy
Fires of Invention
10%inclusion1 decks10 decks
10%synergy
Mana Echoes
10%inclusion1 decks10 decks
9%synergy
Mindmoil
10%inclusion1 decks10 decks
10%synergy
Rising of the Day
10%inclusion1 decks10 decks
5%synergy
Braid of Fire
10%inclusion1 decks10 decks
8%synergy
Shadows of the Past
10%inclusion1 decks10 decks
10%synergy
Utility Lands
Buried Ruin
60%inclusion6 decks10 decks
57%synergy
Vault of Whispers
40%inclusion4 decks10 decks
34%synergy
Great Furnace
40%inclusion4 decks10 decks
33%synergy
Bojuka Bog
30%inclusion3 decks10 decks
-6%synergy
Zhalfirin Void
30%inclusion3 decks10 decks
29%synergy
Inventors' Fair
20%inclusion2 decks10 decks
18%synergy
Takenuma, Abandoned Mire
20%inclusion2 decks10 decks
12%synergy
Temple of the False God
20%inclusion2 decks10 decks
10%synergy
Urborg, Tomb of Yawgmoth
20%inclusion2 decks10 decks
1%synergy
Fire Nation Palace
14%inclusion1 decks7 decks
10%synergy
Barren Moor
10%inclusion1 decks10 decks
5%synergy
Dormant Volcano
10%inclusion1 decks10 decks
10%synergy
Forgotten Cave
10%inclusion1 decks10 decks
5%synergy
Crypt of Agadeem
10%inclusion1 decks10 decks
9%synergy
Spinerock Knoll
10%inclusion1 decks10 decks
1%synergy
Restless Vents
10%inclusion1 decks10 decks
6%synergy
Spymaster's Vault
10%inclusion1 decks10 decks
7%synergy
Witch's Cottage
10%inclusion1 decks10 decks
7%synergy
Scorched Ruins
10%inclusion1 decks10 decks
10%synergy
Cabal Coffers
10%inclusion1 decks10 decks
1%synergy
Nykthos, Shrine to Nyx
10%inclusion1 decks10 decks
8%synergy
Drownyard Temple
10%inclusion1 decks10 decks
9%synergy
Homeward Path
10%inclusion1 decks10 decks
9%synergy
Everglades
10%inclusion1 decks10 decks
10%synergy
Rogue's Passage
10%inclusion1 decks10 decks
-10%synergy
Den of the Bugbear
10%inclusion1 decks10 decks
8%synergy
Mana Artifacts
Sol Ring
70%inclusion7 decks10 decks
-16%synergy
Arcane Signet
50%inclusion5 decks10 decks
-32%synergy
Rakdos Signet
50%inclusion5 decks10 decks
-7%synergy
Talisman of Indulgence
20%inclusion2 decks10 decks
-35%synergy
Thran Turbine
20%inclusion2 decks10 decks
19%synergy
Charcoal Diamond
10%inclusion1 decks10 decks
2%synergy
Fellwar Stone
10%inclusion1 decks10 decks
-23%synergy
Fire Diamond
10%inclusion1 decks10 decks
2%synergy
Springleaf Drum
10%inclusion1 decks10 decks
8%synergy
Mind Stone
10%inclusion1 decks10 decks
-17%synergy
Glittering Stockpile
10%inclusion1 decks10 decks
7%synergy
Lands
Swamp
100%inclusion10 decks10 decks
2%synergy
Mountain
100%inclusion10 decks10 decks
2%synergy
Command Tower
90%inclusion9 decks10 decks
4%synergy
Blood Crypt
70%inclusion7 decks10 decks
22%synergy
Smoldering Marsh
60%inclusion6 decks10 decks
-4%synergy
Boggart Trawler
60%inclusion6 decks10 decks
53%synergy
Temple of Malice
60%inclusion6 decks10 decks
28%synergy
Valakut Awakening
60%inclusion6 decks10 decks
52%synergy
Shadowblood Ridge
50%inclusion5 decks10 decks
15%synergy
Foreboding Ruins
50%inclusion5 decks10 decks
4%synergy
Dragonskull Summit
50%inclusion5 decks10 decks
-14%synergy
Rakdos Carnarium
40%inclusion4 decks10 decks
10%synergy
Graven Cairns
40%inclusion4 decks10 decks
8%synergy
Sulfurous Springs
40%inclusion4 decks10 decks
-8%synergy
Bloodstained Mire
40%inclusion4 decks10 decks
6%synergy
Exotic Orchard
30%inclusion3 decks10 decks
-1%synergy
Evolving Wilds
30%inclusion3 decks10 decks
10%synergy
Tainted Peak
30%inclusion3 decks10 decks
-13%synergy
Path of Ancestry
30%inclusion3 decks10 decks
14%synergy
Haunted Ridge
30%inclusion3 decks10 decks
-6%synergy
Blightstep Pathway
30%inclusion3 decks10 decks
8%synergy
Prismatic Vista
20%inclusion2 decks10 decks
15%synergy
Raucous Theater
20%inclusion2 decks10 decks
-2%synergy
Fell the Profane
20%inclusion2 decks10 decks
7%synergy
Fabled Passage
20%inclusion2 decks10 decks
11%synergy
Badlands
20%inclusion2 decks10 decks
6%synergy
Riveteers Overlook
20%inclusion2 decks10 decks
18%synergy
Ash Barrens
20%inclusion2 decks10 decks
13%synergy
Wooded Foothills
20%inclusion2 decks10 decks
13%synergy
Luxury Suite
20%inclusion2 decks10 decks
-18%synergy
Cavern of Souls
20%inclusion2 decks10 decks
15%synergy
Maestros Theater
20%inclusion2 decks10 decks
18%synergy
Blazemire Verge
20%inclusion2 decks10 decks
-11%synergy
Arid Mesa
20%inclusion2 decks10 decks
12%synergy
Thawing Glaciers
20%inclusion2 decks10 decks
20%synergy
Scalding Tarn
20%inclusion2 decks10 decks
13%synergy
Mana Confluence
20%inclusion2 decks10 decks
14%synergy
Polluted Delta
20%inclusion2 decks10 decks
12%synergy
Pinnacle Monk
20%inclusion2 decks10 decks
13%synergy
Rumble Arena
14%inclusion1 decks7 decks
14%synergy
Eclipsed Realms
14%inclusion1 decks7 decks
12%synergy
Escape Tunnel
10%inclusion1 decks10 decks
9%synergy
Terramorphic Expanse
10%inclusion1 decks10 decks
-5%synergy
Canyon Slough
10%inclusion1 decks10 decks
-10%synergy
Auntie's Hovel
10%inclusion1 decks10 decks
8%synergy
Myriad Landscape
10%inclusion1 decks10 decks
-7%synergy
Blackbloom Rogue
10%inclusion1 decks10 decks
10%synergy
Conduit Pylons
10%inclusion1 decks10 decks
9%synergy
Hidden Grotto
10%inclusion1 decks10 decks
9%synergy
Verdant Catacombs
10%inclusion1 decks10 decks
3%synergy
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