Grenzo, Dungeon Warden (Commander) - Upgraded Burn

Grenzo, Dungeon Warden
Rank #542
11decks
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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
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Utility Lands
Mana Artifacts
Lands
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Great Fierce Bee
50%inclusion1 decks2 decks
50%synergy
Dark Fortress
33%inclusion1 decks3 decks
23%synergy
High Synergy Cards
Priest of Gix
82%inclusion9 decks11 decks
80%synergy
The Cauldron of Eternity
73%inclusion8 decks11 decks
72%synergy
Priest of Urabrask
73%inclusion8 decks11 decks
71%synergy
Workhorse
64%inclusion7 decks11 decks
63%synergy
Tel-Jilad Stylus
64%inclusion7 decks11 decks
63%synergy
Barkform Harvester
64%inclusion7 decks11 decks
63%synergy
Ashnod's Altar
73%inclusion8 decks11 decks
63%synergy
Heartstone
64%inclusion7 decks11 decks
62%synergy
Siege-Gang Commander
64%inclusion7 decks11 decks
60%synergy
Murderous Redcap
64%inclusion7 decks11 decks
60%synergy
Top Cards
Goblin Engineer
64%inclusion7 decks11 decks
60%synergy
Solemn Simulacrum
55%inclusion6 decks11 decks
36%synergy
Skirk Prospector
55%inclusion6 decks11 decks
49%synergy
Pitiless Plunderer
55%inclusion6 decks11 decks
42%synergy
Tomb Trawler
55%inclusion6 decks11 decks
54%synergy
Zulaport Cutthroat
55%inclusion6 decks11 decks
46%synergy
Sling-Gang Lieutenant
45%inclusion5 decks11 decks
42%synergy
Bronze Walrus
45%inclusion5 decks11 decks
45%synergy
Blood Artist
45%inclusion5 decks11 decks
27%synergy
Goblin Matron
45%inclusion5 decks11 decks
42%synergy
Game Changers
Vampiric Tutor
18%inclusion2 decks11 decks
5%synergy
Ancient Tomb
9.1%inclusion1 decks11 decks
-0%synergy
Demonic Tutor
9.1%inclusion1 decks11 decks
-9%synergy
Gamble
9.1%inclusion1 decks11 decks
-1%synergy
Braids, Cabal Minion
9.1%inclusion1 decks11 decks
9%synergy
Orcish Bowmasters
9.1%inclusion1 decks11 decks
-2%synergy
Creatures
Boggart Cursecrafter
50%inclusion3 decks6 decks
45%synergy
Hexing Squelcher
50%inclusion3 decks6 decks
36%synergy
Palladium Myr
45%inclusion5 decks11 decks
44%synergy
Goblin Chirurgeon
45%inclusion5 decks11 decks
44%synergy
Goblin Welder
45%inclusion5 decks11 decks
43%synergy
Viscera Seer
45%inclusion5 decks11 decks
36%synergy
Kiki-Jiki, Mirror Breaker
45%inclusion5 decks11 decks
41%synergy
Krenko, Mob Boss
45%inclusion5 decks11 decks
41%synergy
Warren Soultrader
45%inclusion5 decks11 decks
37%synergy
General Kreat, the Boltbringer
45%inclusion5 decks11 decks
43%synergy
Hoverstone Pilgrim
45%inclusion5 decks11 decks
45%synergy
Ravenous Chupacabra
45%inclusion5 decks11 decks
43%synergy
Warteye Witch
45%inclusion5 decks11 decks
45%synergy
Metallic Mimic
36%inclusion4 decks11 decks
34%synergy
Goblin Sharpshooter
36%inclusion4 decks11 decks
35%synergy
Mad Auntie
36%inclusion4 decks11 decks
34%synergy
Pawn of Ulamog
36%inclusion4 decks11 decks
34%synergy
Howlsquad Heavy
36%inclusion4 decks11 decks
34%synergy
Boggart Trawler
36%inclusion4 decks11 decks
29%synergy
Goblin Chieftain
36%inclusion4 decks11 decks
34%synergy
Ornithopter of Paradise
36%inclusion4 decks11 decks
33%synergy
Molten Gatekeeper
36%inclusion4 decks11 decks
34%synergy
Agate Instigator
36%inclusion4 decks11 decks
33%synergy
Grub, Storied Matriarch
33%inclusion2 decks6 decks
31%synergy
Dimension X Pizzasaur
33%inclusion2 decks6 decks
33%synergy
Twilight Diviner
33%inclusion2 decks6 decks
32%synergy
Weftstalker Ardent
30%inclusion3 decks10 decks
26%synergy
The Walls of Ba Sing Se
29%inclusion2 decks7 decks
28%synergy
Emrakul's Hatcher
27%inclusion3 decks11 decks
27%synergy
Leaden Myr
27%inclusion3 decks11 decks
25%synergy
Pinnacle Monk
27%inclusion3 decks11 decks
20%synergy
Zealous Conscripts
27%inclusion3 decks11 decks
25%synergy
Chainer, Nightmare Adept
27%inclusion3 decks11 decks
20%synergy
Duplicant
27%inclusion3 decks11 decks
27%synergy
Epitaph Golem
27%inclusion3 decks11 decks
27%synergy
Meteor Golem
27%inclusion3 decks11 decks
25%synergy
Goblin King
27%inclusion3 decks11 decks
26%synergy
Flayer of the Hatebound
27%inclusion3 decks11 decks
26%synergy
Clone Shell
27%inclusion3 decks11 decks
27%synergy
Burnished Hart
27%inclusion3 decks11 decks
23%synergy
Impulsive Pilferer
27%inclusion3 decks11 decks
20%synergy
Accursed Marauder
27%inclusion3 decks11 decks
22%synergy
Iron Myr
27%inclusion3 decks11 decks
25%synergy
Imperial Recruiter
27%inclusion3 decks11 decks
23%synergy
Goblin Ringleader
27%inclusion3 decks11 decks
26%synergy
Anger
27%inclusion3 decks11 decks
15%synergy
Woe Strider
27%inclusion3 decks11 decks
25%synergy
Goblin Warchief
27%inclusion3 decks11 decks
24%synergy
Gray Merchant of Asphodel
27%inclusion3 decks11 decks
17%synergy
Susurian Voidborn
20%inclusion2 decks10 decks
19%synergy
Instants
Volcanic Spite
36%inclusion4 decks11 decks
36%synergy
Fire Prophecy
36%inclusion4 decks11 decks
36%synergy
Valakut Awakening
36%inclusion4 decks11 decks
29%synergy
Chaos Warp
27%inclusion3 decks11 decks
-20%synergy
Tibalt's Trickery
27%inclusion3 decks11 decks
14%synergy
Dark Ritual
18%inclusion2 decks11 decks
-25%synergy
Terminate
18%inclusion2 decks11 decks
-22%synergy
Withering Torment
18%inclusion2 decks11 decks
-3%synergy
Fell the Profane
9.1%inclusion1 decks11 decks
-4%synergy
Plunge into Darkness
9.1%inclusion1 decks11 decks
9%synergy
Brightstone Ritual
9.1%inclusion1 decks11 decks
7%synergy
Torch the Tower
9.1%inclusion1 decks11 decks
9%synergy
Decaying Time Loop
9.1%inclusion1 decks11 decks
9%synergy
Entomb
9.1%inclusion1 decks11 decks
2%synergy
Thrilling Encore
9.1%inclusion1 decks11 decks
9%synergy
Imp's Mischief
9.1%inclusion1 decks11 decks
0%synergy
Lightning Bolt
9.1%inclusion1 decks11 decks
-10%synergy
Unexpected Windfall
9.1%inclusion1 decks11 decks
-5%synergy
Battle Hymn
9.1%inclusion1 decks11 decks
8%synergy
Wake the Dead
9.1%inclusion1 decks11 decks
9%synergy
Lightning Axe
9.1%inclusion1 decks11 decks
8%synergy
Darkness
9.1%inclusion1 decks11 decks
7%synergy
Malakir Rebirth
9.1%inclusion1 decks11 decks
-6%synergy
Baleful Mastery
9.1%inclusion1 decks11 decks
7%synergy
Deflecting Swat
9.1%inclusion1 decks11 decks
-12%synergy
Red Elemental Blast
9.1%inclusion1 decks11 decks
0%synergy
Electric Revelation
9.1%inclusion1 decks11 decks
8%synergy
Saw in Half
9.1%inclusion1 decks11 decks
-2%synergy
Cathartic Pyre
9.1%inclusion1 decks11 decks
8%synergy
Kazuul's Fury
9.1%inclusion1 decks11 decks
5%synergy
Abrade
9.1%inclusion1 decks11 decks
-13%synergy
Sorceries
Faithless Looting
36%inclusion4 decks11 decks
9%synergy
Into the Fire
36%inclusion4 decks11 decks
36%synergy
Read the Bones
27%inclusion3 decks11 decks
15%synergy
Diabolic Intent
18%inclusion2 decks11 decks
10%synergy
Vandalblast
18%inclusion2 decks11 decks
-12%synergy
Feed the Swarm
18%inclusion2 decks11 decks
-23%synergy
Doomsday
18%inclusion2 decks11 decks
18%synergy
Blasphemous Act
18%inclusion2 decks11 decks
-33%synergy
Reanimate
18%inclusion2 decks11 decks
-5%synergy
Witch's Mark
9.1%inclusion1 decks11 decks
8%synergy
Cathartic Reunion
9.1%inclusion1 decks11 decks
3%synergy
Dread Return
9.1%inclusion1 decks11 decks
5%synergy
Sinister Waltz
9.1%inclusion1 decks11 decks
8%synergy
Change of Fortune
9.1%inclusion1 decks11 decks
8%synergy
Decree of Pain
9.1%inclusion1 decks11 decks
5%synergy
Blood Price
9.1%inclusion1 decks11 decks
9%synergy
Hymn to Tourach
9.1%inclusion1 decks11 decks
9%synergy
Living Death
9.1%inclusion1 decks11 decks
5%synergy
Last One Standing
9.1%inclusion1 decks11 decks
7%synergy
Toxic Deluge
9.1%inclusion1 decks11 decks
-8%synergy
Sundering Eruption
9.1%inclusion1 decks11 decks
4%synergy
Beseech the Mirror
9.1%inclusion1 decks11 decks
5%synergy
Dreadbore
9.1%inclusion1 decks11 decks
4%synergy
Grim Tutor
9.1%inclusion1 decks11 decks
5%synergy
Trash for Treasure
9.1%inclusion1 decks11 decks
8%synergy
Crippling Fear
9.1%inclusion1 decks11 decks
8%synergy
Thoughtseize
9.1%inclusion1 decks11 decks
8%synergy
Reckless Handling
9.1%inclusion1 decks11 decks
8%synergy
Utility Artifacts
Skullclamp
45%inclusion5 decks11 decks
35%synergy
Cloak and Dagger
36%inclusion4 decks11 decks
36%synergy
Lightning Greaves
36%inclusion4 decks11 decks
1%synergy
Desecrated Tomb
27%inclusion3 decks11 decks
27%synergy
Crucible of Worlds
27%inclusion3 decks11 decks
27%synergy
Teferi's Puzzle Box
27%inclusion3 decks11 decks
27%synergy
Darksteel Pendant
27%inclusion3 decks11 decks
27%synergy
Phyrexian Altar
27%inclusion3 decks11 decks
22%synergy
Goblin Charbelcher
27%inclusion3 decks11 decks
27%synergy
Jar of Eyeballs
18%inclusion2 decks11 decks
18%synergy
Panharmonicon
18%inclusion2 decks11 decks
17%synergy
Crystal Ball
18%inclusion2 decks11 decks
18%synergy
Weatherlight Compleated
9.1%inclusion1 decks11 decks
9%synergy
Unwinding Clock
9.1%inclusion1 decks11 decks
9%synergy
The Ozolith
9.1%inclusion1 decks11 decks
7%synergy
Illusionist's Bracers
9.1%inclusion1 decks11 decks
8%synergy
Blasting Station
9.1%inclusion1 decks11 decks
9%synergy
Whip of Erebos
9.1%inclusion1 decks11 decks
2%synergy
Cauldron of Souls
9.1%inclusion1 decks11 decks
8%synergy
Soldevi Digger
9.1%inclusion1 decks11 decks
9%synergy
Herald's Horn
9.1%inclusion1 decks11 decks
5%synergy
Agatha's Soul Cauldron
9.1%inclusion1 decks11 decks
7%synergy
Mindcrank
9.1%inclusion1 decks11 decks
7%synergy
Eldrazi Monument
9.1%inclusion1 decks11 decks
9%synergy
Swiftfoot Boots
9.1%inclusion1 decks11 decks
-22%synergy
Thornbite Staff
9.1%inclusion1 decks11 decks
9%synergy
Blackblade Reforged
9.1%inclusion1 decks11 decks
8%synergy
Reito Lantern
9.1%inclusion1 decks11 decks
9%synergy
Basilisk Collar
9.1%inclusion1 decks11 decks
-2%synergy
Enchantments
Impact Tremors
36%inclusion4 decks11 decks
25%synergy
Goblin Bombardment
36%inclusion4 decks11 decks
26%synergy
Thran Vigil
18%inclusion2 decks11 decks
17%synergy
Fires of Invention
18%inclusion2 decks11 decks
18%synergy
Teval's Judgment
18%inclusion2 decks11 decks
17%synergy
Shadows of the Past
18%inclusion2 decks11 decks
18%synergy
Sneak Attack
18%inclusion2 decks11 decks
15%synergy
Boggart Mischief
17%inclusion1 decks6 decks
12%synergy
Mana Echoes
9.1%inclusion1 decks11 decks
9%synergy
Rising of the Day
9.1%inclusion1 decks11 decks
5%synergy
The Eldest Reborn
9.1%inclusion1 decks11 decks
8%synergy
All Will Be One
9.1%inclusion1 decks11 decks
6%synergy
Soul Enervation
9.1%inclusion1 decks11 decks
9%synergy
Phyrexian Reclamation
9.1%inclusion1 decks11 decks
5%synergy
Vampiric Rites
9.1%inclusion1 decks11 decks
6%synergy
Necromancy
9.1%inclusion1 decks11 decks
6%synergy
Grave Pact
9.1%inclusion1 decks11 decks
6%synergy
Braid of Fire
9.1%inclusion1 decks11 decks
7%synergy
Uncivil Unrest
9.1%inclusion1 decks11 decks
8%synergy
Animate Dead
9.1%inclusion1 decks11 decks
-0%synergy
Oubliette
9.1%inclusion1 decks11 decks
8%synergy
Phyrexian Arena
9.1%inclusion1 decks11 decks
-14%synergy
Illicit Masquerade
9.1%inclusion1 decks11 decks
9%synergy
Bitterblossom
9.1%inclusion1 decks11 decks
6%synergy
Planeswalkers
Liliana of the Veil
9.1%inclusion1 decks11 decks
8%synergy
Utility Lands
Phyrexian Tower
45%inclusion5 decks11 decks
35%synergy
Buried Ruin
45%inclusion5 decks11 decks
42%synergy
Zhalfirin Void
27%inclusion3 decks11 decks
26%synergy
Urza's Saga
27%inclusion3 decks11 decks
21%synergy
Inventors' Fair
27%inclusion3 decks11 decks
26%synergy
Great Furnace
27%inclusion3 decks11 decks
21%synergy
Bojuka Bog
18%inclusion2 decks11 decks
-17%synergy
Vault of Whispers
18%inclusion2 decks11 decks
12%synergy
Isolated Watchtower
18%inclusion2 decks11 decks
18%synergy
Fire Nation Palace
14%inclusion1 decks7 decks
10%synergy
Kavaron, Memorial World
10%inclusion1 decks10 decks
10%synergy
Shizo, Death's Storehouse
9.1%inclusion1 decks11 decks
4%synergy
Miren, the Moaning Well
9.1%inclusion1 decks11 decks
9%synergy
Wasteland
9.1%inclusion1 decks11 decks
8%synergy
Shinka, the Bloodsoaked Keep
9.1%inclusion1 decks11 decks
7%synergy
Echoing Deeps
9.1%inclusion1 decks11 decks
9%synergy
Lavaclaw Reaches
9.1%inclusion1 decks11 decks
7%synergy
Dormant Volcano
9.1%inclusion1 decks11 decks
9%synergy
Vesuva
9.1%inclusion1 decks11 decks
9%synergy
Arena of Glory
9.1%inclusion1 decks11 decks
0%synergy
Spinerock Knoll
9.1%inclusion1 decks11 decks
-0%synergy
Spymaster's Vault
9.1%inclusion1 decks11 decks
6%synergy
Cabal Coffers
9.1%inclusion1 decks11 decks
-0%synergy
Volrath's Stronghold
9.1%inclusion1 decks11 decks
8%synergy
Command Beacon
9.1%inclusion1 decks11 decks
3%synergy
Minas Morgul, Dark Fortress
9.1%inclusion1 decks11 decks
7%synergy
Castle Embereth
9.1%inclusion1 decks11 decks
6%synergy
Takenuma, Abandoned Mire
9.1%inclusion1 decks11 decks
1%synergy
Urborg
9.1%inclusion1 decks11 decks
9%synergy
Three Tree City
9.1%inclusion1 decks11 decks
6%synergy
Urborg, Tomb of Yawgmoth
9.1%inclusion1 decks11 decks
-10%synergy
Barbarian Ring
9.1%inclusion1 decks11 decks
7%synergy
Everglades
9.1%inclusion1 decks11 decks
9%synergy
Rogue's Passage
9.1%inclusion1 decks11 decks
-11%synergy
Den of the Bugbear
9.1%inclusion1 decks11 decks
7%synergy
Amonkhet Raceway
9.1%inclusion1 decks11 decks
8%synergy
Mana Artifacts
Sol Ring
82%inclusion9 decks11 decks
-4%synergy
Arcane Signet
55%inclusion6 decks11 decks
-27%synergy
Thran Turbine
36%inclusion4 decks11 decks
36%synergy
Talisman of Indulgence
18%inclusion2 decks11 decks
-37%synergy
Fellwar Stone
18%inclusion2 decks11 decks
-15%synergy
Gauntlet of Power
9.1%inclusion1 decks11 decks
9%synergy
Rakdos Signet
9.1%inclusion1 decks11 decks
-48%synergy
Chromatic Lantern
9.1%inclusion1 decks11 decks
7%synergy
Thought Vessel
9.1%inclusion1 decks11 decks
-9%synergy
Darksteel Ingot
9.1%inclusion1 decks11 decks
8%synergy
Lands
Swamp
100%inclusion11 decks11 decks
2%synergy
Mountain
100%inclusion11 decks11 decks
2%synergy
Command Tower
73%inclusion8 decks11 decks
-13%synergy
Dragonskull Summit
73%inclusion8 decks11 decks
8%synergy
Temple of Malice
73%inclusion8 decks11 decks
40%synergy
Path of Ancestry
64%inclusion7 decks11 decks
47%synergy
Blood Crypt
55%inclusion6 decks11 decks
7%synergy
Graven Cairns
55%inclusion6 decks11 decks
22%synergy
Luxury Suite
55%inclusion6 decks11 decks
16%synergy
Blazemire Verge
55%inclusion6 decks11 decks
23%synergy
Bloodstained Mire
55%inclusion6 decks11 decks
21%synergy
Shadowblood Ridge
45%inclusion5 decks11 decks
11%synergy
Smoldering Marsh
45%inclusion5 decks11 decks
-18%synergy
Raucous Theater
36%inclusion4 decks11 decks
15%synergy
Foreboding Ruins
36%inclusion4 decks11 decks
-9%synergy
Boggart Trawler
36%inclusion4 decks11 decks
29%synergy
Haunted Ridge
36%inclusion4 decks11 decks
0%synergy
Valakut Awakening
36%inclusion4 decks11 decks
29%synergy
Rakdos Carnarium
27%inclusion3 decks11 decks
-3%synergy
Blackcleave Cliffs
27%inclusion3 decks11 decks
7%synergy
Blightstep Pathway
27%inclusion3 decks11 decks
5%synergy
Pinnacle Monk
27%inclusion3 decks11 decks
20%synergy
Sulfurous Springs
27%inclusion3 decks11 decks
-21%synergy
Escape Tunnel
18%inclusion2 decks11 decks
17%synergy
Prismatic Vista
18%inclusion2 decks11 decks
13%synergy
Canyon Slough
18%inclusion2 decks11 decks
-1%synergy
Auntie's Hovel
18%inclusion2 decks11 decks
16%synergy
The Grey Havens
18%inclusion2 decks11 decks
18%synergy
Evolving Wilds
18%inclusion2 decks11 decks
-2%synergy
Crystal Grotto
18%inclusion2 decks11 decks
18%synergy
Urborg Volcano
9.1%inclusion1 decks11 decks
8%synergy
Fell the Profane
9.1%inclusion1 decks11 decks
-4%synergy
Fabled Passage
9.1%inclusion1 decks11 decks
0%synergy
Badlands
9.1%inclusion1 decks11 decks
-4%synergy
Terramorphic Expanse
9.1%inclusion1 decks11 decks
-6%synergy
Myriad Landscape
9.1%inclusion1 decks11 decks
-8%synergy
Exotic Orchard
9.1%inclusion1 decks11 decks
-22%synergy
Blackbloom Rogue
9.1%inclusion1 decks11 decks
9%synergy
Akoum Refuge
9.1%inclusion1 decks11 decks
3%synergy
Rakdos Guildgate
9.1%inclusion1 decks11 decks
3%synergy
Conduit Pylons
9.1%inclusion1 decks11 decks
8%synergy
Hidden Grotto
9.1%inclusion1 decks11 decks
8%synergy
Drossforge Bridge
9.1%inclusion1 decks11 decks
3%synergy
Riveteers Overlook
9.1%inclusion1 decks11 decks
7%synergy
Spire of Industry
9.1%inclusion1 decks11 decks
6%synergy
Ash Barrens
9.1%inclusion1 decks11 decks
2%synergy
Bloodfell Caves
9.1%inclusion1 decks11 decks
-9%synergy
Jagged Barrens
9.1%inclusion1 decks11 decks
2%synergy
Wooded Foothills
9.1%inclusion1 decks11 decks
2%synergy
Verdant Catacombs
9.1%inclusion1 decks11 decks
2%synergy
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