Grenzo, Dungeon Warden (Commander) - Core Burn

Grenzo, Dungeon Warden
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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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Mana Artifacts
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Stick, Fearless Mentor
33%inclusion1 decks3 decks
33%synergy
The Frightful Four
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Tel-Jilad Stylus
71%inclusion5 decks7 decks
71%synergy
Barkform Harvester
71%inclusion5 decks7 decks
70%synergy
Epitaph Golem
57%inclusion4 decks7 decks
57%synergy
Junktroller
57%inclusion4 decks7 decks
57%synergy
The Cauldron of Eternity
57%inclusion4 decks7 decks
56%synergy
Heartstone
57%inclusion4 decks7 decks
55%synergy
Meteor Golem
57%inclusion4 decks7 decks
55%synergy
Boggart Mischief
57%inclusion4 decks7 decks
52%synergy
Zulaport Cutthroat
57%inclusion4 decks7 decks
49%synergy
Viscera Seer
57%inclusion4 decks7 decks
48%synergy
Top Cards
Blood Artist
57%inclusion4 decks7 decks
39%synergy
Blasphemous Act
57%inclusion4 decks7 decks
6%synergy
Creatures
Hoverstone Pilgrim
43%inclusion3 decks7 decks
42%synergy
Duplicant
43%inclusion3 decks7 decks
42%synergy
Ravenous Chupacabra
43%inclusion3 decks7 decks
41%synergy
Siege-Gang Commander
43%inclusion3 decks7 decks
39%synergy
Murderous Redcap
43%inclusion3 decks7 decks
39%synergy
Sling-Gang Lieutenant
43%inclusion3 decks7 decks
39%synergy
Deathbringer Thoctar
29%inclusion2 decks7 decks
28%synergy
Emrakul's Hatcher
29%inclusion2 decks7 decks
28%synergy
Puppeteer Clique
29%inclusion2 decks7 decks
27%synergy
Zealous Conscripts
29%inclusion2 decks7 decks
27%synergy
Treasure Nabber
29%inclusion2 decks7 decks
24%synergy
Mogg War Marshal
29%inclusion2 decks7 decks
26%synergy
Searslicer Goblin
29%inclusion2 decks7 decks
27%synergy
Plaguecrafter
29%inclusion2 decks7 decks
24%synergy
Brash Taunter
29%inclusion2 decks7 decks
18%synergy
Chainer, Nightmare Adept
29%inclusion2 decks7 decks
21%synergy
Woe Strider
29%inclusion2 decks7 decks
26%synergy
Goblin Engineer
29%inclusion2 decks7 decks
25%synergy
Plundering Barbarian
29%inclusion2 decks7 decks
28%synergy
Lord Skitter's Butcher
29%inclusion2 decks7 decks
28%synergy
Vile Entomber
29%inclusion2 decks7 decks
27%synergy
Krenko, Mob Boss
29%inclusion2 decks7 decks
24%synergy
Eclipsed Boggart
29%inclusion2 decks7 decks
25%synergy
Wort, Boggart Auntie
29%inclusion2 decks7 decks
28%synergy
Gray Merchant of Asphodel
29%inclusion2 decks7 decks
18%synergy
Treasonous Ogre
29%inclusion2 decks7 decks
26%synergy
Canal Dredger
29%inclusion2 decks7 decks
28%synergy
Dalek Drone
29%inclusion2 decks7 decks
28%synergy
Callous Bloodmage
29%inclusion2 decks7 decks
28%synergy
Munitions Expert
29%inclusion2 decks7 decks
26%synergy
Falkenrath Noble
29%inclusion2 decks7 decks
25%synergy
Pitiless Plunderer
29%inclusion2 decks7 decks
16%synergy
Kiki-Jiki, Mirror Breaker
29%inclusion2 decks7 decks
24%synergy
Pashalik Mons
29%inclusion2 decks7 decks
26%synergy
Witty Roastmaster
29%inclusion2 decks7 decks
26%synergy
Tomb Trawler
29%inclusion2 decks7 decks
28%synergy
Accursed Marauder
29%inclusion2 decks7 decks
23%synergy
Priest of Gix
29%inclusion2 decks7 decks
26%synergy
Goblin Matron
29%inclusion2 decks7 decks
25%synergy
Priest of Urabrask
29%inclusion2 decks7 decks
27%synergy
Reito Sentinel
29%inclusion2 decks7 decks
28%synergy
Beetleback Chief
29%inclusion2 decks7 decks
27%synergy
Mai, Scornful Striker
29%inclusion2 decks7 decks
25%synergy
Hexing Squelcher
29%inclusion2 decks7 decks
14%synergy
Warren Torchmaster
29%inclusion2 decks7 decks
28%synergy
Boggart Cursecrafter
29%inclusion2 decks7 decks
23%synergy
Mirkwood Bats
29%inclusion2 decks7 decks
15%synergy
Scuzzback Scrounger
29%inclusion2 decks7 decks
24%synergy
Shriekmaw
29%inclusion2 decks7 decks
26%synergy
Goblin Glasswright
20%inclusion1 decks5 decks
19%synergy
Instants
Chaos Warp
43%inclusion3 decks7 decks
-4%synergy
Rakdos Charm
29%inclusion2 decks7 decks
-15%synergy
Fire Prophecy
29%inclusion2 decks7 decks
28%synergy
Bedevil
29%inclusion2 decks7 decks
-5%synergy
Abrade
29%inclusion2 decks7 decks
7%synergy
Unbury
29%inclusion2 decks7 decks
27%synergy
Deadly Rollick
14%inclusion1 decks7 decks
-8%synergy
Volcanic Spite
14%inclusion1 decks7 decks
14%synergy
Thrill of Possibility
14%inclusion1 decks7 decks
-4%synergy
Entomb
14%inclusion1 decks7 decks
7%synergy
Temur Battle Rage
14%inclusion1 decks7 decks
13%synergy
Village Rites
14%inclusion1 decks7 decks
-1%synergy
Wild Magic Surge
14%inclusion1 decks7 decks
12%synergy
Lightning Bolt
14%inclusion1 decks7 decks
-4%synergy
Caught Red-Handed
14%inclusion1 decks7 decks
14%synergy
Electrodominance
14%inclusion1 decks7 decks
12%synergy
Battle Hymn
14%inclusion1 decks7 decks
13%synergy
Dark Ritual
14%inclusion1 decks7 decks
-29%synergy
Cabal Ritual
14%inclusion1 decks7 decks
6%synergy
Soul Shatter
14%inclusion1 decks7 decks
10%synergy
Terminate
14%inclusion1 decks7 decks
-25%synergy
Supernatural Stamina
14%inclusion1 decks7 decks
9%synergy
Tibalt's Trickery
14%inclusion1 decks7 decks
1%synergy
Pyretic Ritual
14%inclusion1 decks7 decks
8%synergy
Wild Ricochet
14%inclusion1 decks7 decks
13%synergy
Display of Power
14%inclusion1 decks7 decks
14%synergy
Reverberate
14%inclusion1 decks7 decks
12%synergy
Fake Your Own Death
14%inclusion1 decks7 decks
7%synergy
Deflecting Swat
14%inclusion1 decks7 decks
-7%synergy
Word of Seizing
14%inclusion1 decks7 decks
14%synergy
Demon's Due
14%inclusion1 decks7 decks
14%synergy
Unlicensed Disintegration
14%inclusion1 decks7 decks
12%synergy
Saw in Half
14%inclusion1 decks7 decks
3%synergy
Nasty End
14%inclusion1 decks7 decks
10%synergy
Valakut Awakening
14%inclusion1 decks7 decks
6%synergy
Withering Torment
14%inclusion1 decks7 decks
-7%synergy
Sorceries
Victimize
29%inclusion2 decks7 decks
14%synergy
Living Death
29%inclusion2 decks7 decks
25%synergy
Syphon Mind
29%inclusion2 decks7 decks
24%synergy
Pox Plague
20%inclusion1 decks5 decks
20%synergy
Chain Reaction
14%inclusion1 decks7 decks
10%synergy
Burn Down the House
14%inclusion1 decks7 decks
13%synergy
Dredge the Mire
14%inclusion1 decks7 decks
14%synergy
Plague Wind
14%inclusion1 decks7 decks
13%synergy
Goblin Grenade
14%inclusion1 decks7 decks
14%synergy
Flame Rift
14%inclusion1 decks7 decks
12%synergy
Fraying Omnipotence
14%inclusion1 decks7 decks
14%synergy
Light Up the Night
14%inclusion1 decks7 decks
14%synergy
Pox
14%inclusion1 decks7 decks
14%synergy
Feed the Swarm
14%inclusion1 decks7 decks
-27%synergy
Read the Bones
14%inclusion1 decks7 decks
2%synergy
Profane Command
14%inclusion1 decks7 decks
13%synergy
Volcanic Salvo
14%inclusion1 decks7 decks
14%synergy
Goblin Rally
14%inclusion1 decks7 decks
14%synergy
Reanimate
14%inclusion1 decks7 decks
-9%synergy
Repeating Barrage
14%inclusion1 decks7 decks
14%synergy
Bloody Betrayal
14%inclusion1 decks7 decks
13%synergy
Hordeling Outburst
14%inclusion1 decks7 decks
13%synergy
Risky Shortcut
14%inclusion1 decks7 decks
11%synergy
Thunderblade Charge
14%inclusion1 decks7 decks
14%synergy
Deadly Tempest
14%inclusion1 decks7 decks
12%synergy
Sign in Blood
14%inclusion1 decks7 decks
-9%synergy
Ill-Gotten Gains
14%inclusion1 decks7 decks
14%synergy
Dragon Fodder
14%inclusion1 decks7 decks
13%synergy
Skull Rend
14%inclusion1 decks7 decks
14%synergy
Syphon Soul
14%inclusion1 decks7 decks
14%synergy
Dreadbore
14%inclusion1 decks7 decks
9%synergy
Overpowering Attack
14%inclusion1 decks7 decks
13%synergy
Pyroclasm
14%inclusion1 decks7 decks
14%synergy
Into the Fire
14%inclusion1 decks7 decks
13%synergy
Devil's Play
14%inclusion1 decks7 decks
14%synergy
Harmless Offering
14%inclusion1 decks7 decks
11%synergy
Electro's Bolt
14%inclusion1 decks7 decks
14%synergy
Utility Artifacts
Ashnod's Altar
43%inclusion3 decks7 decks
33%synergy
Teferi's Puzzle Box
29%inclusion2 decks7 decks
28%synergy
Darksteel Pendant
29%inclusion2 decks7 decks
28%synergy
Crystal Ball
29%inclusion2 decks7 decks
28%synergy
Lightning Greaves
29%inclusion2 decks7 decks
-6%synergy
Reito Lantern
29%inclusion2 decks7 decks
28%synergy
Desecrated Tomb
14%inclusion1 decks7 decks
14%synergy
Illusionist's Bracers
14%inclusion1 decks7 decks
14%synergy
Ghost Vacuum
14%inclusion1 decks7 decks
14%synergy
Conjurer's Bauble
14%inclusion1 decks7 decks
14%synergy
Cryptolith Fragment
14%inclusion1 decks7 decks
11%synergy
Ankh of Mishra
14%inclusion1 decks7 decks
11%synergy
Skullclamp
14%inclusion1 decks7 decks
4%synergy
Mimic Vat
14%inclusion1 decks7 decks
13%synergy
Dingus Staff
14%inclusion1 decks7 decks
14%synergy
Cloak and Dagger
14%inclusion1 decks7 decks
14%synergy
Stoneforge Masterwork
14%inclusion1 decks7 decks
14%synergy
Phyrexian Altar
14%inclusion1 decks7 decks
9%synergy
Soldevi Digger
14%inclusion1 decks7 decks
14%synergy
Swiftfoot Boots
14%inclusion1 decks7 decks
-17%synergy
Chronicle of Victory
14%inclusion1 decks7 decks
12%synergy
Enchantments
Goblin Bombardment
43%inclusion3 decks7 decks
33%synergy
Impact Tremors
29%inclusion2 decks7 decks
17%synergy
Spiteful Visions
29%inclusion2 decks7 decks
20%synergy
Thran Vigil
14%inclusion1 decks7 decks
13%synergy
Manabarbs
14%inclusion1 decks7 decks
8%synergy
Citadel of Pain
14%inclusion1 decks7 decks
13%synergy
Leyline of Punishment
14%inclusion1 decks7 decks
14%synergy
Consecrated by Blood
14%inclusion1 decks7 decks
14%synergy
Dark Privilege
14%inclusion1 decks7 decks
14%synergy
Roiling Vortex
14%inclusion1 decks7 decks
6%synergy
Mindmoil
14%inclusion1 decks7 decks
14%synergy
Warstorm Surge
14%inclusion1 decks7 decks
11%synergy
Criminal Past
14%inclusion1 decks7 decks
14%synergy
Shifting Shadow
14%inclusion1 decks7 decks
14%synergy
Hopeless Nightmare
14%inclusion1 decks7 decks
14%synergy
Aether Sting
14%inclusion1 decks7 decks
14%synergy
Megrim
14%inclusion1 decks7 decks
13%synergy
Spellshock
14%inclusion1 decks7 decks
11%synergy
Soul Channeling
14%inclusion1 decks7 decks
14%synergy
Teval's Judgment
14%inclusion1 decks7 decks
14%synergy
Sulfuric Vortex
14%inclusion1 decks7 decks
10%synergy
Braid of Fire
14%inclusion1 decks7 decks
12%synergy
Underworld Dreams
14%inclusion1 decks7 decks
6%synergy
Skeletal Grimace
14%inclusion1 decks7 decks
14%synergy
The Rollercrusher Ride
14%inclusion1 decks7 decks
13%synergy
Havoc Festival
14%inclusion1 decks7 decks
12%synergy
Cultist of the Absolute
14%inclusion1 decks7 decks
14%synergy
Painful Quandary
14%inclusion1 decks7 decks
8%synergy
Pestilence
14%inclusion1 decks7 decks
12%synergy
Utility Lands
Zhalfirin Void
43%inclusion3 decks7 decks
42%synergy
Phyrexian Tower
29%inclusion2 decks7 decks
18%synergy
Molten Slagheap
29%inclusion2 decks7 decks
27%synergy
Buried Ruin
29%inclusion2 decks7 decks
25%synergy
Bojuka Bog
14%inclusion1 decks7 decks
-21%synergy
Vault of Whispers
14%inclusion1 decks7 decks
8%synergy
Mortuary Mire
14%inclusion1 decks7 decks
9%synergy
Crypt of Agadeem
14%inclusion1 decks7 decks
14%synergy
Scavenger Grounds
14%inclusion1 decks7 decks
13%synergy
Cabal Coffers
14%inclusion1 decks7 decks
5%synergy
Stensia Bloodhall
14%inclusion1 decks7 decks
13%synergy
Nykthos, Shrine to Nyx
14%inclusion1 decks7 decks
12%synergy
High Market
14%inclusion1 decks7 decks
10%synergy
Castle Embereth
14%inclusion1 decks7 decks
12%synergy
Rix Maadi, Dungeon Palace
14%inclusion1 decks7 decks
12%synergy
Takenuma, Abandoned Mire
14%inclusion1 decks7 decks
6%synergy
Castle Locthwain
14%inclusion1 decks7 decks
9%synergy
Sokenzan, Crucible of Defiance
14%inclusion1 decks7 decks
10%synergy
Urborg, Tomb of Yawgmoth
14%inclusion1 decks7 decks
-4%synergy
Den of the Bugbear
14%inclusion1 decks7 decks
12%synergy
Great Furnace
14%inclusion1 decks7 decks
8%synergy
Hidden Necropolis
14%inclusion1 decks7 decks
13%synergy
Mana Artifacts
Sol Ring
71%inclusion5 decks7 decks
-14%synergy
Arcane Signet
43%inclusion3 decks7 decks
-39%synergy
Rakdos Signet
29%inclusion2 decks7 decks
-28%synergy
Thran Turbine
29%inclusion2 decks7 decks
28%synergy
Commander's Sphere
14%inclusion1 decks7 decks
-1%synergy
Talisman of Indulgence
14%inclusion1 decks7 decks
-41%synergy
Firdoch Core
14%inclusion1 decks7 decks
13%synergy
Lands
Swamp
100%inclusion7 decks7 decks
2%synergy
Mountain
100%inclusion7 decks7 decks
2%synergy
Command Tower
86%inclusion6 decks7 decks
-0%synergy
Smoldering Marsh
71%inclusion5 decks7 decks
8%synergy
Dragonskull Summit
71%inclusion5 decks7 decks
7%synergy
Foreboding Ruins
57%inclusion4 decks7 decks
11%synergy
Temple of Malice
57%inclusion4 decks7 decks
25%synergy
Sulfurous Springs
57%inclusion4 decks7 decks
9%synergy
Blood Crypt
43%inclusion3 decks7 decks
-5%synergy
Raucous Theater
29%inclusion2 decks7 decks
7%synergy
Rakdos Carnarium
29%inclusion2 decks7 decks
-2%synergy
Myriad Landscape
29%inclusion2 decks7 decks
12%synergy
Akoum Refuge
29%inclusion2 decks7 decks
23%synergy
Rakdos Guildgate
29%inclusion2 decks7 decks
22%synergy
Graven Cairns
29%inclusion2 decks7 decks
-4%synergy
Blackcleave Cliffs
29%inclusion2 decks7 decks
8%synergy
Luxury Suite
29%inclusion2 decks7 decks
-10%synergy
Blazemire Verge
29%inclusion2 decks7 decks
-3%synergy
The Grey Havens
29%inclusion2 decks7 decks
28%synergy
Haunted Ridge
29%inclusion2 decks7 decks
-8%synergy
Blightstep Pathway
29%inclusion2 decks7 decks
6%synergy
Urborg Volcano
14%inclusion1 decks7 decks
13%synergy
Exotic Orchard
14%inclusion1 decks7 decks
-17%synergy
Conduit Pylons
14%inclusion1 decks7 decks
14%synergy
Bloodfell Caves
14%inclusion1 decks7 decks
-4%synergy
Reflecting Pool
14%inclusion1 decks7 decks
11%synergy
Cavern of Souls
14%inclusion1 decks7 decks
9%synergy
Razortrap Gorge
14%inclusion1 decks7 decks
12%synergy
Evolving Wilds
14%inclusion1 decks7 decks
-6%synergy
Opal Palace
14%inclusion1 decks7 decks
13%synergy
Tainted Peak
14%inclusion1 decks7 decks
-29%synergy
Path of Ancestry
14%inclusion1 decks7 decks
-2%synergy
Arid Mesa
14%inclusion1 decks7 decks
6%synergy
Abstergo Entertainment
14%inclusion1 decks7 decks
14%synergy
Study Hall
14%inclusion1 decks7 decks
14%synergy
Cinder Barrens
14%inclusion1 decks7 decks
11%synergy
Crystal Grotto
14%inclusion1 decks7 decks
14%synergy
Bloodstained Mire
14%inclusion1 decks7 decks
-19%synergy
Valakut Awakening
14%inclusion1 decks7 decks
6%synergy
Ominous Asylum
14%inclusion1 decks7 decks
12%synergy
Eclipsed Realms
14%inclusion1 decks7 decks
12%synergy
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