Grenzo, Dungeon Warden (Commander) - Core Toolbox

Grenzo, Dungeon Warden
Rank #543
5decks
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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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Commander Spellbook
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High Synergy Cards
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Viscera Seer
100%inclusion5 decks5 decks
91%synergy
Junktroller
80%inclusion4 decks5 decks
79%synergy
Heartstone
80%inclusion4 decks5 decks
78%synergy
Meteor Golem
80%inclusion4 decks5 decks
78%synergy
Buried Ruin
80%inclusion4 decks5 decks
77%synergy
Siege-Gang Commander
80%inclusion4 decks5 decks
76%synergy
Creatures
Barkform Harvester
60%inclusion3 decks5 decks
59%synergy
Deathbringer Thoctar
60%inclusion3 decks5 decks
59%synergy
Sling-Gang Lieutenant
60%inclusion3 decks5 decks
56%synergy
Blood Artist
60%inclusion3 decks5 decks
42%synergy
Krenko, Mob Boss
60%inclusion3 decks5 decks
55%synergy
Pitiless Plunderer
60%inclusion3 decks5 decks
47%synergy
Mindclaw Shaman
60%inclusion3 decks5 decks
60%synergy
Hoverstone Pilgrim
60%inclusion3 decks5 decks
59%synergy
Goblin Engineer
60%inclusion3 decks5 decks
56%synergy
Duplicant
60%inclusion3 decks5 decks
59%synergy
Threefold Thunderhulk
60%inclusion3 decks5 decks
59%synergy
Solemn Simulacrum
60%inclusion3 decks5 decks
41%synergy
Murderous Redcap
40%inclusion2 decks5 decks
36%synergy
Author of Shadows
40%inclusion2 decks5 decks
40%synergy
Illuminor Szeras
40%inclusion2 decks5 decks
39%synergy
Ravenous Chupacabra
40%inclusion2 decks5 decks
38%synergy
Zulaport Cutthroat
40%inclusion2 decks5 decks
32%synergy
Junkyard Genius
40%inclusion2 decks5 decks
40%synergy
Vile Entomber
40%inclusion2 decks5 decks
38%synergy
Thran Spider
40%inclusion2 decks5 decks
40%synergy
Woe Strider
40%inclusion2 decks5 decks
38%synergy
Mayhem Devil
40%inclusion2 decks5 decks
15%synergy
Emrakul's Hatcher
40%inclusion2 decks5 decks
40%synergy
Goblin Trashmaster
40%inclusion2 decks5 decks
38%synergy
Soldevi Adnate
40%inclusion2 decks5 decks
39%synergy
Burnished Hart
40%inclusion2 decks5 decks
36%synergy
Prowling Geistcatcher
40%inclusion2 decks5 decks
39%synergy
Kiki-Jiki, Mirror Breaker
40%inclusion2 decks5 decks
36%synergy
Thermopod
40%inclusion2 decks5 decks
40%synergy
Flayer of the Hatebound
40%inclusion2 decks5 decks
39%synergy
Legate Lanius, Caesar's Ace
40%inclusion2 decks5 decks
40%synergy
Skirk Prospector
40%inclusion2 decks5 decks
35%synergy
Puppeteer Clique
40%inclusion2 decks5 decks
39%synergy
Accursed Marauder
40%inclusion2 decks5 decks
35%synergy
Plaguecrafter
40%inclusion2 decks5 decks
36%synergy
Epitaph Golem
40%inclusion2 decks5 decks
40%synergy
Gray Merchant of Asphodel
40%inclusion2 decks5 decks
30%synergy
Hexing Squelcher
33%inclusion1 decks3 decks
19%synergy
Sunset Strikemaster
25%inclusion1 decks4 decks
24%synergy
Summon: Esper Valigarmanda
25%inclusion1 decks4 decks
25%synergy
Zookeeper Mechan
25%inclusion1 decks4 decks
24%synergy
Siegfried, Famed Swordsman
25%inclusion1 decks4 decks
25%synergy
Chainer, Nightmare Adept
20%inclusion1 decks5 decks
12%synergy
Goblin Matron
20%inclusion1 decks5 decks
16%synergy
Murderous Rider
20%inclusion1 decks5 decks
19%synergy
Lobelia, Defender of Bag End
20%inclusion1 decks5 decks
20%synergy
Daretti, Rocketeer Engineer
20%inclusion1 decks5 decks
20%synergy
Furystoke Giant
20%inclusion1 decks5 decks
20%synergy
Hedron Crawler
20%inclusion1 decks5 decks
20%synergy
Junk Diver
20%inclusion1 decks5 decks
19%synergy
Instants
Chaos Warp
60%inclusion3 decks5 decks
13%synergy
Fire Prophecy
40%inclusion2 decks5 decks
39%synergy
Valakut Awakening
40%inclusion2 decks5 decks
32%synergy
Withering Torment
40%inclusion2 decks5 decks
19%synergy
Deadly Rollick
20%inclusion1 decks5 decks
-2%synergy
Volcanic Spite
20%inclusion1 decks5 decks
20%synergy
Thrill of Possibility
20%inclusion1 decks5 decks
2%synergy
Entomb
20%inclusion1 decks5 decks
13%synergy
Wild Magic Surge
20%inclusion1 decks5 decks
18%synergy
Lightning Bolt
20%inclusion1 decks5 decks
1%synergy
Dark Ritual
20%inclusion1 decks5 decks
-23%synergy
Cabal Ritual
20%inclusion1 decks5 decks
12%synergy
Tibalt's Trickery
20%inclusion1 decks5 decks
7%synergy
Burnt Offering
20%inclusion1 decks5 decks
15%synergy
Pyretic Ritual
20%inclusion1 decks5 decks
14%synergy
Deflecting Swat
20%inclusion1 decks5 decks
-2%synergy
Bedevil
20%inclusion1 decks5 decks
-14%synergy
Saw in Half
20%inclusion1 decks5 decks
8%synergy
Kazuul's Fury
20%inclusion1 decks5 decks
16%synergy
Sorceries
Dread Return
40%inclusion2 decks5 decks
36%synergy
Shenanigans
20%inclusion1 decks5 decks
20%synergy
Victimize
20%inclusion1 decks5 decks
5%synergy
Sinister Waltz
20%inclusion1 decks5 decks
19%synergy
Faithless Looting
20%inclusion1 decks5 decks
-7%synergy
Feed the Swarm
20%inclusion1 decks5 decks
-21%synergy
Read the Bones
20%inclusion1 decks5 decks
8%synergy
Blasphemous Act
20%inclusion1 decks5 decks
-31%synergy
Reanimate
20%inclusion1 decks5 decks
-3%synergy
Mana Geyser
20%inclusion1 decks5 decks
7%synergy
Bloodsoaked Insight
20%inclusion1 decks5 decks
12%synergy
Into the Fire
20%inclusion1 decks5 decks
19%synergy
Utility Artifacts
Ashnod's Altar
60%inclusion3 decks5 decks
50%synergy
Tel-Jilad Stylus
60%inclusion3 decks5 decks
59%synergy
The Cauldron of Eternity
60%inclusion3 decks5 decks
59%synergy
Teferi's Puzzle Box
40%inclusion2 decks5 decks
39%synergy
Cloak and Dagger
40%inclusion2 decks5 decks
40%synergy
Crystal Ball
40%inclusion2 decks5 decks
40%synergy
Desecrated Tomb
20%inclusion1 decks5 decks
19%synergy
Illusionist's Bracers
20%inclusion1 decks5 decks
19%synergy
Darksteel Pendant
20%inclusion1 decks5 decks
20%synergy
Skullclamp
20%inclusion1 decks5 decks
10%synergy
Nim Deathmantle
20%inclusion1 decks5 decks
19%synergy
Mimic Vat
20%inclusion1 decks5 decks
19%synergy
Phyrexian Altar
20%inclusion1 decks5 decks
14%synergy
Soldevi Digger
20%inclusion1 decks5 decks
20%synergy
Champion's Helm
20%inclusion1 decks5 decks
18%synergy
Lightning Greaves
20%inclusion1 decks5 decks
-15%synergy
Reito Lantern
20%inclusion1 decks5 decks
20%synergy
Enchantments
Boggart Mischief
67%inclusion2 decks3 decks
62%synergy
Impact Tremors
40%inclusion2 decks5 decks
29%synergy
Goblin Bombardment
40%inclusion2 decks5 decks
30%synergy
Teval's Judgment
25%inclusion1 decks4 decks
24%synergy
Thran Vigil
20%inclusion1 decks5 decks
19%synergy
Fires of Invention
20%inclusion1 decks5 decks
20%synergy
Mindmoil
20%inclusion1 decks5 decks
20%synergy
Criminal Past
20%inclusion1 decks5 decks
20%synergy
Braid of Fire
20%inclusion1 decks5 decks
18%synergy
Cultist of the Absolute
20%inclusion1 decks5 decks
19%synergy
Planeswalkers
Daretti, Scrap Savant
20%inclusion1 decks5 decks
18%synergy
Utility Lands
Bojuka Bog
60%inclusion3 decks5 decks
24%synergy
Zhalfirin Void
60%inclusion3 decks5 decks
59%synergy
Phyrexian Tower
60%inclusion3 decks5 decks
49%synergy
Crypt of Agadeem
40%inclusion2 decks5 decks
39%synergy
Nykthos, Shrine to Nyx
40%inclusion2 decks5 decks
38%synergy
High Market
40%inclusion2 decks5 decks
36%synergy
Drownyard Temple
40%inclusion2 decks5 decks
39%synergy
Dakmor Salvage
40%inclusion2 decks5 decks
39%synergy
Urborg, Tomb of Yawgmoth
40%inclusion2 decks5 decks
21%synergy
Westvale Abbey
20%inclusion1 decks5 decks
18%synergy
Madblind Mountain
20%inclusion1 decks5 decks
20%synergy
Mage-Ring Network
20%inclusion1 decks5 decks
20%synergy
Lavaclaw Reaches
20%inclusion1 decks5 decks
18%synergy
Arid Archway
20%inclusion1 decks5 decks
19%synergy
Spinerock Knoll
20%inclusion1 decks5 decks
11%synergy
Cabal Coffers
20%inclusion1 decks5 decks
11%synergy
Barad-dûr
20%inclusion1 decks5 decks
18%synergy
Diamond City
20%inclusion1 decks5 decks
20%synergy
Volatile Fault
20%inclusion1 decks5 decks
19%synergy
Takenuma, Abandoned Mire
20%inclusion1 decks5 decks
12%synergy
Castle Locthwain
20%inclusion1 decks5 decks
14%synergy
Sokenzan, Crucible of Defiance
20%inclusion1 decks5 decks
16%synergy
Rogue's Passage
20%inclusion1 decks5 decks
0%synergy
Den of the Bugbear
20%inclusion1 decks5 decks
18%synergy
Mana Artifacts
Sol Ring
80%inclusion4 decks5 decks
-6%synergy
Thran Turbine
40%inclusion2 decks5 decks
39%synergy
Arcane Signet
20%inclusion1 decks5 decks
-62%synergy
Elementalist's Palette
20%inclusion1 decks5 decks
20%synergy
Victory Chimes
20%inclusion1 decks5 decks
19%synergy
Lands
Swamp
100%inclusion5 decks5 decks
2%synergy
Mountain
100%inclusion5 decks5 decks
2%synergy
Command Tower
80%inclusion4 decks5 decks
-6%synergy
Smoldering Marsh
80%inclusion4 decks5 decks
16%synergy
Dragonskull Summit
80%inclusion4 decks5 decks
16%synergy
Temple of Malice
80%inclusion4 decks5 decks
48%synergy
Shadowblood Ridge
60%inclusion3 decks5 decks
25%synergy
Blood Crypt
60%inclusion3 decks5 decks
12%synergy
Foreboding Ruins
60%inclusion3 decks5 decks
14%synergy
The Grey Havens
60%inclusion3 decks5 decks
59%synergy
Sulfurous Springs
60%inclusion3 decks5 decks
12%synergy
Raucous Theater
40%inclusion2 decks5 decks
18%synergy
Canyon Slough
40%inclusion2 decks5 decks
20%synergy
Myriad Landscape
40%inclusion2 decks5 decks
23%synergy
Exotic Orchard
40%inclusion2 decks5 decks
9%synergy
Graven Cairns
40%inclusion2 decks5 decks
8%synergy
Ash Barrens
40%inclusion2 decks5 decks
33%synergy
Luxury Suite
40%inclusion2 decks5 decks
2%synergy
Blazemire Verge
40%inclusion2 decks5 decks
9%synergy
Tainted Peak
40%inclusion2 decks5 decks
-3%synergy
Path of Ancestry
40%inclusion2 decks5 decks
24%synergy
Blightstep Pathway
40%inclusion2 decks5 decks
18%synergy
Crystal Grotto
40%inclusion2 decks5 decks
39%synergy
Valakut Awakening
40%inclusion2 decks5 decks
32%synergy
Rakdos Carnarium
20%inclusion1 decks5 decks
-10%synergy
Urza's Cave
20%inclusion1 decks5 decks
19%synergy
Blackcleave Cliffs
20%inclusion1 decks5 decks
-0%synergy
Reflecting Pool
20%inclusion1 decks5 decks
17%synergy
Sulfurous Mire
20%inclusion1 decks5 decks
17%synergy
Cavern of Souls
20%inclusion1 decks5 decks
15%synergy
Demolition Field
20%inclusion1 decks5 decks
17%synergy
Opal Palace
20%inclusion1 decks5 decks
19%synergy
Akoum Warrior
20%inclusion1 decks5 decks
19%synergy
Bloodsoaked Insight
20%inclusion1 decks5 decks
12%synergy
Arid Mesa
20%inclusion1 decks5 decks
12%synergy
Haunted Ridge
20%inclusion1 decks5 decks
-16%synergy
Geothermal Bog
20%inclusion1 decks5 decks
11%synergy
Kazuul's Fury
20%inclusion1 decks5 decks
16%synergy
Bloodstained Mire
20%inclusion1 decks5 decks
-14%synergy
Hall of Tagsin
20%inclusion1 decks5 decks
20%synergy
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