Grenzo, Dungeon Warden (Commander) - Upgraded Chaos

Grenzo, Dungeon Warden
Rank #543
10decks
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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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High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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The Great Goblin
25%inclusion1 decks4 decks
23%synergy
Troop of Ponies
25%inclusion1 decks4 decks
23%synergy
M.O.D.O.K.
20%inclusion1 decks5 decks
19%synergy
High Synergy Cards
Priest of Urabrask
100%inclusion10 decks10 decks
98%synergy
Heartstone
100%inclusion10 decks10 decks
98%synergy
Priest of Gix
100%inclusion10 decks10 decks
98%synergy
Workhorse
90%inclusion9 decks10 decks
89%synergy
Tomb Trawler
90%inclusion9 decks10 decks
89%synergy
The Cauldron of Eternity
90%inclusion9 decks10 decks
89%synergy
Ashnod's Altar
90%inclusion9 decks10 decks
80%synergy
Tel-Jilad Stylus
80%inclusion8 decks10 decks
79%synergy
Palladium Myr
80%inclusion8 decks10 decks
79%synergy
Goblin Engineer
80%inclusion8 decks10 decks
76%synergy
Top Cards
Solemn Simulacrum
80%inclusion8 decks10 decks
61%synergy
Gray Merchant of Asphodel
80%inclusion8 decks10 decks
70%synergy
Soldevi Adnate
70%inclusion7 decks10 decks
69%synergy
Pitiless Plunderer
70%inclusion7 decks10 decks
57%synergy
Zulaport Cutthroat
70%inclusion7 decks10 decks
62%synergy
Viscera Seer
70%inclusion7 decks10 decks
61%synergy
Ravenous Chupacabra
70%inclusion7 decks10 decks
68%synergy
Goblin Welder
60%inclusion6 decks10 decks
57%synergy
Emrakul's Hatcher
60%inclusion6 decks10 decks
60%synergy
Mad Auntie
60%inclusion6 decks10 decks
58%synergy
Game Changers
Ancient Tomb
30%inclusion3 decks10 decks
21%synergy
Demonic Tutor
10%inclusion1 decks10 decks
-8%synergy
Gamble
10%inclusion1 decks10 decks
0%synergy
Field of the Dead
10%inclusion1 decks10 decks
9%synergy
Braids, Cabal Minion
10%inclusion1 decks10 decks
10%synergy
Orcish Bowmasters
10%inclusion1 decks10 decks
-1%synergy
Vampiric Tutor
10%inclusion1 decks10 decks
-4%synergy
Creatures
Kiki-Jiki, Mirror Breaker
60%inclusion6 decks10 decks
56%synergy
Siege-Gang Commander
60%inclusion6 decks10 decks
56%synergy
Crypt Ghast
60%inclusion6 decks10 decks
58%synergy
Warren Soultrader
60%inclusion6 decks10 decks
52%synergy
The Walls of Ba Sing Se
57%inclusion4 decks7 decks
57%synergy
Changeling Wayfinder
57%inclusion4 decks7 decks
56%synergy
Pawn of Ulamog
50%inclusion5 decks10 decks
47%synergy
Zealous Conscripts
50%inclusion5 decks10 decks
48%synergy
Sling-Gang Lieutenant
50%inclusion5 decks10 decks
46%synergy
Imperial Recruiter
50%inclusion5 decks10 decks
46%synergy
Boggart Trawler
50%inclusion5 decks10 decks
43%synergy
Treasonous Ogre
50%inclusion5 decks10 decks
47%synergy
Leaden Myr
50%inclusion5 decks10 decks
48%synergy
Relic Retriever
50%inclusion3 decks6 decks
50%synergy
Bronze Walrus
50%inclusion5 decks10 decks
50%synergy
Weftstalker Ardent
50%inclusion4 decks8 decks
45%synergy
Murderous Redcap
50%inclusion5 decks10 decks
46%synergy
Garrison Excavator
50%inclusion3 decks6 decks
50%synergy
Ornithopter of Paradise
50%inclusion5 decks10 decks
46%synergy
Iron Myr
50%inclusion5 decks10 decks
48%synergy
Twilight Diviner
43%inclusion3 decks7 decks
41%synergy
Shriekmaw
40%inclusion4 decks10 decks
38%synergy
Pilgrim's Eye
40%inclusion4 decks10 decks
40%synergy
Hoverstone Pilgrim
40%inclusion4 decks10 decks
39%synergy
Pit Automaton
40%inclusion4 decks10 decks
40%synergy
Woe Strider
40%inclusion4 decks10 decks
38%synergy
Agate Instigator
40%inclusion4 decks10 decks
37%synergy
Blackbloom Rogue
40%inclusion4 decks10 decks
40%synergy
Meteor Golem
40%inclusion4 decks10 decks
38%synergy
Skittering Surveyor
40%inclusion4 decks10 decks
40%synergy
Deathbringer Thoctar
40%inclusion4 decks10 decks
39%synergy
Pinnacle Monk
40%inclusion4 decks10 decks
33%synergy
Barkform Harvester
40%inclusion4 decks10 decks
39%synergy
Duplicant
40%inclusion4 decks10 decks
39%synergy
Epitaph Golem
40%inclusion4 decks10 decks
40%synergy
Marionette Master
40%inclusion4 decks10 decks
34%synergy
Dream Beavers
33%inclusion2 decks6 decks
33%synergy
Scampering Surveyor
30%inclusion3 decks10 decks
30%synergy
Faceless Butcher
30%inclusion3 decks10 decks
30%synergy
Moggcatcher
30%inclusion3 decks10 decks
30%synergy
Witty Roastmaster
30%inclusion3 decks10 decks
27%synergy
Blood Artist
30%inclusion3 decks10 decks
12%synergy
Chainer, Nightmare Adept
30%inclusion3 decks10 decks
23%synergy
Goblin Matron
30%inclusion3 decks10 decks
26%synergy
Illuminor Szeras
30%inclusion3 decks10 decks
29%synergy
Ardent Electromancer
30%inclusion3 decks10 decks
30%synergy
Murderous Rider
30%inclusion3 decks10 decks
29%synergy
Rapacious Dragon
30%inclusion3 decks10 decks
29%synergy
Skirge Familiar
30%inclusion3 decks10 decks
29%synergy
Threefold Thunderhulk
30%inclusion3 decks10 decks
29%synergy
Instants
Valakut Awakening
50%inclusion5 decks10 decks
42%synergy
Volcanic Spite
30%inclusion3 decks10 decks
30%synergy
Fire Prophecy
20%inclusion2 decks10 decks
19%synergy
Tibalt's Trickery
20%inclusion2 decks10 decks
7%synergy
Archenemy's Charm
13%inclusion1 decks8 decks
11%synergy
Astarion's Thirst
10%inclusion1 decks10 decks
9%synergy
Fell the Profane
10%inclusion1 decks10 decks
-3%synergy
Chaos Warp
10%inclusion1 decks10 decks
-37%synergy
Plunge into Darkness
10%inclusion1 decks10 decks
9%synergy
Decaying Time Loop
10%inclusion1 decks10 decks
10%synergy
Entomb
10%inclusion1 decks10 decks
3%synergy
Thrilling Encore
10%inclusion1 decks10 decks
9%synergy
Magma Jet
10%inclusion1 decks10 decks
10%synergy
Malakir Rebirth
10%inclusion1 decks10 decks
-5%synergy
Electric Revelation
10%inclusion1 decks10 decks
9%synergy
Cathartic Pyre
10%inclusion1 decks10 decks
9%synergy
Sorceries
Agadeem's Awakening
20%inclusion2 decks10 decks
17%synergy
Into the Fire
20%inclusion2 decks10 decks
19%synergy
Witch's Mark
10%inclusion1 decks10 decks
9%synergy
Cathartic Reunion
10%inclusion1 decks10 decks
4%synergy
Faithless Looting
10%inclusion1 decks10 decks
-17%synergy
Feed the Swarm
10%inclusion1 decks10 decks
-31%synergy
Read the Bones
10%inclusion1 decks10 decks
-2%synergy
Buried Alive
10%inclusion1 decks10 decks
5%synergy
Change of Fortune
10%inclusion1 decks10 decks
9%synergy
Blood Price
10%inclusion1 decks10 decks
10%synergy
Introduction to Prophecy
10%inclusion1 decks10 decks
10%synergy
Living Death
10%inclusion1 decks10 decks
6%synergy
Last One Standing
10%inclusion1 decks10 decks
8%synergy
Reanimate
10%inclusion1 decks10 decks
-13%synergy
Sundering Eruption
10%inclusion1 decks10 decks
5%synergy
Reckless Handling
10%inclusion1 decks10 decks
9%synergy
Utility Artifacts
Teferi's Puzzle Box
30%inclusion3 decks10 decks
29%synergy
Desecrated Tomb
20%inclusion2 decks10 decks
19%synergy
Darksteel Pendant
20%inclusion2 decks10 decks
20%synergy
Nim Deathmantle
20%inclusion2 decks10 decks
19%synergy
Lightning Greaves
20%inclusion2 decks10 decks
-15%synergy
Reito Lantern
20%inclusion2 decks10 decks
20%synergy
Planetarium of Wan Shi Tong
14%inclusion1 decks7 decks
14%synergy
Soldevi Digger
10%inclusion1 decks10 decks
10%synergy
Crystal Ball
10%inclusion1 decks10 decks
10%synergy
Jar of Eyeballs
10%inclusion1 decks10 decks
10%synergy
Brain in a Jar
10%inclusion1 decks10 decks
10%synergy
Cloak and Dagger
10%inclusion1 decks10 decks
10%synergy
Mazemind Tome
10%inclusion1 decks10 decks
10%synergy
Agatha's Soul Cauldron
10%inclusion1 decks10 decks
8%synergy
Swiftfoot Boots
10%inclusion1 decks10 decks
-21%synergy
Witches' Eye
10%inclusion1 decks10 decks
10%synergy
Sword of Feast and Famine
10%inclusion1 decks10 decks
9%synergy
Thornbite Staff
10%inclusion1 decks10 decks
9%synergy
Enchantments
Thran Vigil
20%inclusion2 decks10 decks
19%synergy
Braid of Fire
20%inclusion2 decks10 decks
18%synergy
Fires of Invention
10%inclusion1 decks10 decks
10%synergy
Amok
10%inclusion1 decks10 decks
10%synergy
Mindmoil
10%inclusion1 decks10 decks
10%synergy
Rising of the Day
10%inclusion1 decks10 decks
5%synergy
Rakdos Joins Up
10%inclusion1 decks10 decks
5%synergy
Impact Tremors
10%inclusion1 decks10 decks
-1%synergy
Shadows of the Past
10%inclusion1 decks10 decks
10%synergy
Utility Lands
Buried Ruin
50%inclusion5 decks10 decks
47%synergy
Zhalfirin Void
40%inclusion4 decks10 decks
39%synergy
Phyrexian Tower
40%inclusion4 decks10 decks
29%synergy
Great Furnace
40%inclusion4 decks10 decks
33%synergy
Vault of Whispers
30%inclusion3 decks10 decks
24%synergy
Spinerock Knoll
20%inclusion2 decks10 decks
11%synergy
Urborg, Tomb of Yawgmoth
20%inclusion2 decks10 decks
1%synergy
Bojuka Bog
10%inclusion1 decks10 decks
-26%synergy
Barren Moor
10%inclusion1 decks10 decks
5%synergy
Isolated Watchtower
10%inclusion1 decks10 decks
10%synergy
Dormant Volcano
10%inclusion1 decks10 decks
10%synergy
Forgotten Cave
10%inclusion1 decks10 decks
5%synergy
Howltooth Hollow
10%inclusion1 decks10 decks
10%synergy
Urza's Saga
10%inclusion1 decks10 decks
4%synergy
Crypt of Agadeem
10%inclusion1 decks10 decks
9%synergy
Cabal Coffers
10%inclusion1 decks10 decks
1%synergy
Nykthos, Shrine to Nyx
10%inclusion1 decks10 decks
8%synergy
High Market
10%inclusion1 decks10 decks
6%synergy
Darksteel Citadel
10%inclusion1 decks10 decks
6%synergy
Takenuma, Abandoned Mire
10%inclusion1 decks10 decks
2%synergy
Everglades
10%inclusion1 decks10 decks
10%synergy
Mana Artifacts
Sol Ring
70%inclusion7 decks10 decks
-16%synergy
Arcane Signet
20%inclusion2 decks10 decks
-62%synergy
Talisman of Indulgence
10%inclusion1 decks10 decks
-45%synergy
Rakdos Signet
10%inclusion1 decks10 decks
-47%synergy
Vessel of Endless Rest
10%inclusion1 decks10 decks
10%synergy
Sonic Screwdriver
10%inclusion1 decks10 decks
9%synergy
Lands
Swamp
100%inclusion10 decks10 decks
2%synergy
Mountain
100%inclusion10 decks10 decks
2%synergy
Blood Crypt
80%inclusion8 decks10 decks
32%synergy
Command Tower
70%inclusion7 decks10 decks
-16%synergy
Rakdos Carnarium
60%inclusion6 decks10 decks
30%synergy
Dragonskull Summit
60%inclusion6 decks10 decks
-4%synergy
Graven Cairns
50%inclusion5 decks10 decks
18%synergy
Boggart Trawler
50%inclusion5 decks10 decks
43%synergy
Luxury Suite
50%inclusion5 decks10 decks
12%synergy
Blazemire Verge
50%inclusion5 decks10 decks
19%synergy
Haunted Ridge
50%inclusion5 decks10 decks
14%synergy
Sulfurous Springs
50%inclusion5 decks10 decks
2%synergy
Bloodstained Mire
50%inclusion5 decks10 decks
16%synergy
Valakut Awakening
50%inclusion5 decks10 decks
42%synergy
Raucous Theater
40%inclusion4 decks10 decks
18%synergy
Blackbloom Rogue
40%inclusion4 decks10 decks
40%synergy
Smoldering Marsh
40%inclusion4 decks10 decks
-24%synergy
Pinnacle Monk
40%inclusion4 decks10 decks
33%synergy
Shadowblood Ridge
30%inclusion3 decks10 decks
-5%synergy
Wooded Foothills
30%inclusion3 decks10 decks
23%synergy
Verdant Catacombs
30%inclusion3 decks10 decks
23%synergy
Marsh Flats
30%inclusion3 decks10 decks
22%synergy
Blightstep Pathway
30%inclusion3 decks10 decks
8%synergy
Rumble Arena
29%inclusion2 decks7 decks
28%synergy
Prismatic Vista
20%inclusion2 decks10 decks
15%synergy
Fabled Passage
20%inclusion2 decks10 decks
11%synergy
Badlands
20%inclusion2 decks10 decks
6%synergy
Agadeem's Awakening
20%inclusion2 decks10 decks
17%synergy
Reflecting Pool
20%inclusion2 decks10 decks
17%synergy
Temple of Malice
20%inclusion2 decks10 decks
-12%synergy
Cavern of Souls
20%inclusion2 decks10 decks
15%synergy
The Grey Havens
20%inclusion2 decks10 decks
19%synergy
Evolving Wilds
20%inclusion2 decks10 decks
-0%synergy
Opal Palace
20%inclusion2 decks10 decks
19%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
Polluted Delta
20%inclusion2 decks10 decks
12%synergy
Crystal Grotto
20%inclusion2 decks10 decks
19%synergy
Tainted Peak
10%inclusion1 decks10 decks
-33%synergy
Escape Tunnel
10%inclusion1 decks10 decks
9%synergy
Fell the Profane
10%inclusion1 decks10 decks
-3%synergy
Terramorphic Expanse
10%inclusion1 decks10 decks
-5%synergy
Myriad Landscape
10%inclusion1 decks10 decks
-7%synergy
Exotic Orchard
10%inclusion1 decks10 decks
-21%synergy
Conduit Pylons
10%inclusion1 decks10 decks
9%synergy
Hidden Grotto
10%inclusion1 decks10 decks
9%synergy
Riveteers Overlook
10%inclusion1 decks10 decks
8%synergy
Ash Barrens
10%inclusion1 decks10 decks
3%synergy
Foreboding Ruins
10%inclusion1 decks10 decks
-36%synergy
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