Grenzo, Dungeon Warden (Commander) - Burn

Grenzo, Dungeon Warden
Rank #543
37decks
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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
Utility Lands
Mana Artifacts
Lands
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Great Fierce Bee
50%inclusion1 decks2 decks
49%synergy
M.O.D.O.K.
13%inclusion1 decks8 decks
12%synergy
Dark Fortress
13%inclusion1 decks8 decks
2%synergy
Stick, Fearless Mentor
13%inclusion1 decks8 decks
12%synergy
The Frightful Four
13%inclusion1 decks8 decks
12%synergy
High Synergy Cards
Barkform Harvester
68%inclusion25 decks37 decks
67%synergy
Priest of Gix
65%inclusion24 decks37 decks
63%synergy
Heartstone
62%inclusion23 decks37 decks
60%synergy
Tel-Jilad Stylus
59%inclusion22 decks37 decks
59%synergy
Priest of Urabrask
59%inclusion22 decks37 decks
58%synergy
Viscera Seer
65%inclusion24 decks37 decks
56%synergy
Tomb Trawler
54%inclusion20 decks37 decks
53%synergy
The Cauldron of Eternity
54%inclusion20 decks37 decks
53%synergy
Siege-Gang Commander
54%inclusion20 decks37 decks
51%synergy
Ashnod's Altar
59%inclusion22 decks37 decks
49%synergy
Top Cards
Murderous Redcap
51%inclusion19 decks37 decks
48%synergy
Pitiless Plunderer
51%inclusion19 decks37 decks
38%synergy
Sling-Gang Lieutenant
49%inclusion18 decks37 decks
45%synergy
Zulaport Cutthroat
49%inclusion18 decks37 decks
41%synergy
Palladium Myr
49%inclusion18 decks37 decks
47%synergy
Meteor Golem
49%inclusion18 decks37 decks
46%synergy
Krenko, Mob Boss
43%inclusion16 decks37 decks
38%synergy
Hoverstone Pilgrim
43%inclusion16 decks37 decks
43%synergy
Blood Artist
43%inclusion16 decks37 decks
25%synergy
Goblin Matron
43%inclusion16 decks37 decks
40%synergy
Game Changers
Ancient Tomb
16%inclusion6 decks37 decks
7%synergy
Demonic Tutor
16%inclusion6 decks37 decks
-2%synergy
Vampiric Tutor
14%inclusion5 decks37 decks
-0%synergy
Orcish Bowmasters
11%inclusion4 decks37 decks
0%synergy
Opposition Agent
8.1%inclusion3 decks37 decks
3%synergy
Mana Vault
8.1%inclusion3 decks37 decks
3%synergy
Braids, Cabal Minion
8.1%inclusion3 decks37 decks
8%synergy
Chrome Mox
8.1%inclusion3 decks37 decks
3%synergy
Mox Diamond
8.1%inclusion3 decks37 decks
4%synergy
Jeska's Will
5.4%inclusion2 decks37 decks
-18%synergy
Creatures
Goblin Engineer
43%inclusion16 decks37 decks
39%synergy
Solemn Simulacrum
41%inclusion15 decks37 decks
22%synergy
Skirk Prospector
41%inclusion15 decks37 decks
35%synergy
Mad Auntie
38%inclusion14 decks37 decks
36%synergy
Kiki-Jiki, Mirror Breaker
38%inclusion14 decks37 decks
34%synergy
Workhorse
38%inclusion14 decks37 decks
37%synergy
Woe Strider
38%inclusion14 decks37 decks
35%synergy
Bronze Walrus
35%inclusion13 decks37 decks
35%synergy
Goblin Welder
35%inclusion13 decks37 decks
33%synergy
Pawn of Ulamog
35%inclusion13 decks37 decks
33%synergy
Ravenous Chupacabra
35%inclusion13 decks37 decks
33%synergy
Warren Soultrader
32%inclusion12 decks37 decks
24%synergy
Chainer, Nightmare Adept
32%inclusion12 decks37 decks
25%synergy
Hexing Squelcher
32%inclusion8 decks25 decks
18%synergy
Duplicant
30%inclusion11 decks37 decks
29%synergy
Zealous Conscripts
30%inclusion11 decks37 decks
28%synergy
Goblin Chirurgeon
30%inclusion11 decks37 decks
28%synergy
Gray Merchant of Asphodel
30%inclusion11 decks37 decks
19%synergy
Boggart Cursecrafter
29%inclusion7 decks24 decks
24%synergy
Boggart Trawler
27%inclusion10 decks37 decks
20%synergy
Emrakul's Hatcher
27%inclusion10 decks37 decks
27%synergy
Munitions Expert
27%inclusion10 decks37 decks
25%synergy
Junktroller
27%inclusion10 decks37 decks
26%synergy
Iron Myr
27%inclusion10 decks37 decks
25%synergy
Metallic Mimic
27%inclusion10 decks37 decks
25%synergy
General Kreat, the Boltbringer
25%inclusion9 decks36 decks
23%synergy
Twilight Diviner
25%inclusion6 decks24 decks
23%synergy
Pashalik Mons
24%inclusion9 decks37 decks
22%synergy
Burnished Hart
24%inclusion9 decks37 decks
20%synergy
Warteye Witch
24%inclusion9 decks37 decks
24%synergy
Goblin Chieftain
24%inclusion9 decks37 decks
22%synergy
Epitaph Golem
24%inclusion9 decks37 decks
24%synergy
Leaden Myr
24%inclusion9 decks37 decks
22%synergy
Beetleback Chief
24%inclusion9 decks37 decks
23%synergy
The Walls of Ba Sing Se
22%inclusion6 decks27 decks
22%synergy
Goblin Warchief
22%inclusion8 decks37 decks
19%synergy
Agate Instigator
22%inclusion8 decks37 decks
18%synergy
Pinnacle Monk
22%inclusion8 decks37 decks
14%synergy
Krenko, Tin Street Kingpin
22%inclusion8 decks37 decks
17%synergy
Canal Dredger
22%inclusion8 decks37 decks
21%synergy
Weftstalker Ardent
21%inclusion7 decks33 decks
17%synergy
Eclipsed Boggart
21%inclusion5 decks24 decks
17%synergy
Judith, the Scourge Diva
19%inclusion7 decks37 decks
16%synergy
Molten Gatekeeper
19%inclusion7 decks37 decks
17%synergy
Mogg War Marshal
19%inclusion7 decks37 decks
17%synergy
Imperial Recruiter
19%inclusion7 decks37 decks
15%synergy
Mayhem Devil
19%inclusion7 decks37 decks
-6%synergy
Plaguecrafter
19%inclusion7 decks37 decks
15%synergy
Deathbringer Thoctar
19%inclusion7 decks37 decks
18%synergy
Goblin Trashmaster
19%inclusion7 decks37 decks
17%synergy
Instants
Volcanic Spite
30%inclusion11 decks37 decks
29%synergy
Fire Prophecy
30%inclusion11 decks37 decks
29%synergy
Valakut Awakening
30%inclusion11 decks37 decks
22%synergy
Chaos Warp
22%inclusion8 decks37 decks
-25%synergy
Terminate
16%inclusion6 decks37 decks
-24%synergy
Abrade
16%inclusion6 decks37 decks
-5%synergy
Dark Ritual
14%inclusion5 decks37 decks
-30%synergy
Tibalt's Trickery
14%inclusion5 decks37 decks
1%synergy
Village Rites
11%inclusion4 decks37 decks
-5%synergy
Deflecting Swat
11%inclusion4 decks37 decks
-11%synergy
Withering Torment
11%inclusion4 decks37 decks
-10%synergy
Entomb
8.1%inclusion3 decks37 decks
1%synergy
Rakdos Charm
8.1%inclusion3 decks37 decks
-35%synergy
Bedevil
8.1%inclusion3 decks37 decks
-26%synergy
Unbury
8.0%inclusion2 decks25 decks
7%synergy
Fell the Profane
5.4%inclusion2 decks37 decks
-7%synergy
Brightstone Ritual
5.4%inclusion2 decks37 decks
4%synergy
Thrill of Possibility
5.4%inclusion2 decks37 decks
-13%synergy
Lightning Bolt
5.4%inclusion2 decks37 decks
-13%synergy
Kolaghan's Command
5.4%inclusion2 decks37 decks
0%synergy
Battle Hymn
5.4%inclusion2 decks37 decks
4%synergy
Red Elemental Blast
5.4%inclusion2 decks37 decks
-3%synergy
Demon's Due
5.4%inclusion2 decks37 decks
5%synergy
Saw in Half
5.4%inclusion2 decks37 decks
-6%synergy
Cathartic Pyre
5.4%inclusion2 decks37 decks
4%synergy
Sorceries
Read the Bones
22%inclusion8 decks37 decks
10%synergy
Into the Fire
22%inclusion8 decks37 decks
21%synergy
Faithless Looting
16%inclusion6 decks37 decks
-11%synergy
Blasphemous Act
16%inclusion6 decks37 decks
-35%synergy
Diabolic Intent
11%inclusion4 decks37 decks
3%synergy
Victimize
11%inclusion4 decks37 decks
-4%synergy
Doomsday
11%inclusion4 decks37 decks
10%synergy
Living Death
11%inclusion4 decks37 decks
7%synergy
Dread Return
8.1%inclusion3 decks37 decks
4%synergy
Vandalblast
8.1%inclusion3 decks37 decks
-22%synergy
Feed the Swarm
8.1%inclusion3 decks37 decks
-33%synergy
Reanimate
8.1%inclusion3 decks37 decks
-15%synergy
Beseech the Mirror
8.1%inclusion3 decks37 decks
4%synergy
Pox Plague
6.3%inclusion1 decks16 decks
6%synergy
Sinister Waltz
5.4%inclusion2 decks37 decks
4%synergy
Agadeem's Awakening
5.4%inclusion2 decks37 decks
2%synergy
Praetor's Grasp
5.4%inclusion2 decks37 decks
3%synergy
Night's Whisper
5.4%inclusion2 decks37 decks
-15%synergy
Blood Price
5.4%inclusion2 decks37 decks
5%synergy
Gamble
5.4%inclusion2 decks37 decks
-4%synergy
Syphon Mind
5.4%inclusion2 decks37 decks
1%synergy
Sign in Blood
5.4%inclusion2 decks37 decks
-18%synergy
Sundering Eruption
5.4%inclusion2 decks37 decks
0%synergy
Dreadbore
5.4%inclusion2 decks37 decks
1%synergy
Reckless Handling
5.4%inclusion2 decks37 decks
4%synergy
Utility Artifacts
Darksteel Pendant
24%inclusion9 decks37 decks
24%synergy
Cloak and Dagger
24%inclusion9 decks37 decks
24%synergy
Crystal Ball
24%inclusion9 decks37 decks
24%synergy
Skullclamp
19%inclusion7 decks37 decks
9%synergy
Lightning Greaves
19%inclusion7 decks37 decks
-16%synergy
Teferi's Puzzle Box
16%inclusion6 decks37 decks
16%synergy
Phyrexian Altar
16%inclusion6 decks37 decks
10%synergy
Desecrated Tomb
14%inclusion5 decks37 decks
13%synergy
Illusionist's Bracers
14%inclusion5 decks37 decks
13%synergy
Jar of Eyeballs
11%inclusion4 decks37 decks
11%synergy
Crucible of Worlds
11%inclusion4 decks37 decks
10%synergy
Swiftfoot Boots
11%inclusion4 decks37 decks
-21%synergy
Goblin Charbelcher
11%inclusion4 decks37 decks
11%synergy
Reito Lantern
11%inclusion4 decks37 decks
11%synergy
Soldevi Digger
8.1%inclusion3 decks37 decks
8%synergy
Thousand-Year Elixir
5.4%inclusion2 decks37 decks
5%synergy
Cauldron of Souls
5.4%inclusion2 decks37 decks
5%synergy
Nim Deathmantle
5.4%inclusion2 decks37 decks
5%synergy
Panharmonicon
5.4%inclusion2 decks37 decks
5%synergy
Wishclaw Talisman
5.4%inclusion2 decks37 decks
-1%synergy
Thornbite Staff
5.4%inclusion2 decks37 decks
5%synergy
Enchantments
Goblin Bombardment
32%inclusion12 decks37 decks
22%synergy
Impact Tremors
27%inclusion10 decks37 decks
16%synergy
Boggart Mischief
24%inclusion6 decks25 decks
19%synergy
Thran Vigil
14%inclusion5 decks37 decks
12%synergy
Braid of Fire
14%inclusion5 decks37 decks
12%synergy
Shadows of the Past
14%inclusion5 decks37 decks
13%synergy
Teval's Judgment
12%inclusion4 decks34 decks
11%synergy
Fires of Invention
5.4%inclusion2 decks37 decks
5%synergy
Mana Echoes
5.4%inclusion2 decks37 decks
5%synergy
Mindmoil
5.4%inclusion2 decks37 decks
5%synergy
Warstorm Surge
5.4%inclusion2 decks37 decks
2%synergy
Soul Enervation
5.4%inclusion2 decks37 decks
5%synergy
Phyrexian Reclamation
5.4%inclusion2 decks37 decks
2%synergy
Vampiric Rites
5.4%inclusion2 decks37 decks
2%synergy
Spiteful Visions
5.4%inclusion2 decks37 decks
-4%synergy
Havoc Festival
5.4%inclusion2 decks37 decks
3%synergy
Sneak Attack
5.4%inclusion2 decks37 decks
3%synergy
Utility Lands
Zhalfirin Void
41%inclusion15 decks37 decks
39%synergy
Phyrexian Tower
32%inclusion12 decks37 decks
22%synergy
Buried Ruin
30%inclusion11 decks37 decks
26%synergy
Great Furnace
22%inclusion8 decks37 decks
15%synergy
Bojuka Bog
19%inclusion7 decks37 decks
-17%synergy
Vault of Whispers
19%inclusion7 decks37 decks
13%synergy
Urborg, Tomb of Yawgmoth
19%inclusion7 decks37 decks
0%synergy
Cabal Coffers
14%inclusion5 decks37 decks
4%synergy
Isolated Watchtower
11%inclusion4 decks37 decks
11%synergy
Inventors' Fair
11%inclusion4 decks37 decks
9%synergy
Temple of the False God
11%inclusion4 decks37 decks
1%synergy
Urza's Saga
8.1%inclusion3 decks37 decks
2%synergy
Castle Embereth
8.1%inclusion3 decks37 decks
6%synergy
Takenuma, Abandoned Mire
8.1%inclusion3 decks37 decks
-0%synergy
Sokenzan, Crucible of Defiance
8.1%inclusion3 decks37 decks
4%synergy
Three Tree City
8.1%inclusion3 decks37 decks
5%synergy
Den of the Bugbear
8.1%inclusion3 decks37 decks
6%synergy
Fire Nation Palace
7.4%inclusion2 decks27 decks
3%synergy
Tomb of the Spirit Dragon
5.4%inclusion2 decks37 decks
5%synergy
Molten Slagheap
5.4%inclusion2 decks37 decks
3%synergy
Dormant Volcano
5.4%inclusion2 decks37 decks
5%synergy
Spinerock Knoll
5.4%inclusion2 decks37 decks
-4%synergy
Spymaster's Vault
5.4%inclusion2 decks37 decks
2%synergy
Geier Reach Sanitarium
5.4%inclusion2 decks37 decks
0%synergy
High Market
5.4%inclusion2 decks37 decks
1%synergy
Barbarian Ring
5.4%inclusion2 decks37 decks
3%synergy
Everglades
5.4%inclusion2 decks37 decks
5%synergy
Mana Artifacts
Sol Ring
70%inclusion26 decks37 decks
-16%synergy
Arcane Signet
38%inclusion14 decks37 decks
-44%synergy
Thran Turbine
30%inclusion11 decks37 decks
29%synergy
Rakdos Signet
16%inclusion6 decks37 decks
-40%synergy
Fellwar Stone
11%inclusion4 decks37 decks
-22%synergy
Talisman of Indulgence
8.1%inclusion3 decks37 decks
-47%synergy
Lotus Petal
8.1%inclusion3 decks37 decks
0%synergy
Mox Amber
8.1%inclusion3 decks37 decks
4%synergy
Mox Opal
8.1%inclusion3 decks37 decks
4%synergy
Commander's Sphere
5.4%inclusion2 decks37 decks
-10%synergy
Lands
Swamp
97%inclusion36 decks37 decks
-0%synergy
Mountain
95%inclusion35 decks37 decks
-3%synergy
Command Tower
76%inclusion28 decks37 decks
-10%synergy
Dragonskull Summit
70%inclusion26 decks37 decks
6%synergy
Temple of Malice
59%inclusion22 decks37 decks
27%synergy
Blood Crypt
57%inclusion21 decks37 decks
9%synergy
Smoldering Marsh
54%inclusion20 decks37 decks
-10%synergy
Graven Cairns
43%inclusion16 decks37 decks
11%synergy
Path of Ancestry
43%inclusion16 decks37 decks
27%synergy
Sulfurous Springs
43%inclusion16 decks37 decks
-5%synergy
Luxury Suite
38%inclusion14 decks37 decks
-1%synergy
Rakdos Carnarium
32%inclusion12 decks37 decks
2%synergy
Foreboding Ruins
32%inclusion12 decks37 decks
-13%synergy
Bloodstained Mire
32%inclusion12 decks37 decks
-1%synergy
Blazemire Verge
30%inclusion11 decks37 decks
-2%synergy
Haunted Ridge
30%inclusion11 decks37 decks
-7%synergy
Blightstep Pathway
30%inclusion11 decks37 decks
7%synergy
Valakut Awakening
30%inclusion11 decks37 decks
22%synergy
Boggart Trawler
27%inclusion10 decks37 decks
20%synergy
Crystal Grotto
27%inclusion10 decks37 decks
26%synergy
Exotic Orchard
24%inclusion9 decks37 decks
-7%synergy
Blackcleave Cliffs
24%inclusion9 decks37 decks
4%synergy
Raucous Theater
22%inclusion8 decks37 decks
-0%synergy
Shadowblood Ridge
22%inclusion8 decks37 decks
-13%synergy
The Grey Havens
22%inclusion8 decks37 decks
21%synergy
Tainted Peak
22%inclusion8 decks37 decks
-22%synergy
Pinnacle Monk
22%inclusion8 decks37 decks
14%synergy
Badlands
19%inclusion7 decks37 decks
5%synergy
Auntie's Hovel
16%inclusion6 decks37 decks
14%synergy
Myriad Landscape
16%inclusion6 decks37 decks
-1%synergy
Bloodfell Caves
14%inclusion5 decks37 decks
-5%synergy
Evolving Wilds
14%inclusion5 decks37 decks
-7%synergy
Canyon Slough
11%inclusion4 decks37 decks
-9%synergy
Rakdos Guildgate
11%inclusion4 decks37 decks
5%synergy
Wooded Foothills
11%inclusion4 decks37 decks
4%synergy
Verdant Catacombs
11%inclusion4 decks37 decks
4%synergy
Cavern of Souls
11%inclusion4 decks37 decks
6%synergy
Arid Mesa
11%inclusion4 decks37 decks
3%synergy
Mana Confluence
11%inclusion4 decks37 decks
5%synergy
Marsh Flats
11%inclusion4 decks37 decks
3%synergy
Polluted Delta
11%inclusion4 decks37 decks
3%synergy
Escape Tunnel
8.1%inclusion3 decks37 decks
7%synergy
Terramorphic Expanse
8.1%inclusion3 decks37 decks
-7%synergy
Blackbloom Rogue
8.1%inclusion3 decks37 decks
8%synergy
Akoum Refuge
8.1%inclusion3 decks37 decks
2%synergy
Reflecting Pool
8.1%inclusion3 decks37 decks
5%synergy
Maestros Theater
8.1%inclusion3 decks37 decks
6%synergy
Gemstone Caverns
8.1%inclusion3 decks37 decks
4%synergy
Scalding Tarn
8.1%inclusion3 decks37 decks
1%synergy
Cinder Barrens
8.1%inclusion3 decks37 decks
5%synergy
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