Grenzo, Dungeon Warden (Commander) - Defenders

Grenzo, Dungeon Warden
Rank #549
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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Utility Lands
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Stone-Giant of High Pass
33%inclusion1 decks3 decks
33%synergy
Great Fierce Bee
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Blight Pile
100%inclusion11 decks11 decks
100%synergy
Aether Membrane
100%inclusion11 decks11 decks
100%synergy
Junktroller
100%inclusion11 decks11 decks
99%synergy
Vent Sentinel
91%inclusion10 decks11 decks
91%synergy
Shield-Wall Sentinel
82%inclusion9 decks11 decks
82%synergy
Walking Bulwark
82%inclusion9 decks11 decks
82%synergy
Gibbering Barricade
82%inclusion9 decks11 decks
82%synergy
Crashing Drawbridge
82%inclusion9 decks11 decks
81%synergy
Corpse Blockade
73%inclusion8 decks11 decks
73%synergy
Wall of Souls
73%inclusion8 decks11 decks
73%synergy
Top Cards
The Cauldron of Eternity
73%inclusion8 decks11 decks
72%synergy
The Walls of Ba Sing Se
67%inclusion4 decks6 decks
66%synergy
Tuktuk Rubblefort
64%inclusion7 decks11 decks
63%synergy
Gleaming Barrier
64%inclusion7 decks11 decks
63%synergy
Consulate Skygate
64%inclusion7 decks11 decks
64%synergy
Hoverstone Pilgrim
64%inclusion7 decks11 decks
63%synergy
Spear Spewer
64%inclusion7 decks11 decks
61%synergy
Tel-Jilad Stylus
64%inclusion7 decks11 decks
63%synergy
Heartstone
64%inclusion7 decks11 decks
62%synergy
Weathered Sentinels
64%inclusion7 decks11 decks
64%synergy
Game Changers
Imperial Seal
9.1%inclusion1 decks11 decks
4%synergy
Underworld Breach
9.1%inclusion1 decks11 decks
2%synergy
Vampiric Tutor
9.1%inclusion1 decks11 decks
-5%synergy
Creatures
Viscera Seer
64%inclusion7 decks11 decks
55%synergy
Wild-Field Scarecrow
64%inclusion7 decks11 decks
64%synergy
Suspicious Bookcase
64%inclusion7 decks11 decks
63%synergy
Reito Sentinel
55%inclusion6 decks11 decks
54%synergy
Thermo-Alchemist
55%inclusion6 decks11 decks
50%synergy
Lobber Crew
55%inclusion6 decks11 decks
53%synergy
Amaranthine Wall
55%inclusion6 decks11 decks
55%synergy
Wall of Shadows
55%inclusion6 decks11 decks
55%synergy
Ornithopter of Paradise
55%inclusion6 decks11 decks
51%synergy
Ravenous Chupacabra
55%inclusion6 decks11 decks
53%synergy
Pit Automaton
55%inclusion6 decks11 decks
54%synergy
Tree of Perdition
55%inclusion6 decks11 decks
54%synergy
Excavated Wall
55%inclusion6 decks11 decks
55%synergy
Aetherflame Wall
45%inclusion5 decks11 decks
45%synergy
Barrier of Bones
45%inclusion5 decks11 decks
45%synergy
Unruly Catapult
45%inclusion5 decks11 decks
44%synergy
Iron Myr
45%inclusion5 decks11 decks
43%synergy
Tomb Trawler
45%inclusion5 decks11 decks
45%synergy
Wall of Blood
45%inclusion5 decks11 decks
44%synergy
Leaden Myr
45%inclusion5 decks11 decks
43%synergy
One-Eyed Scarecrow
45%inclusion5 decks11 decks
45%synergy
Wall of Stone
45%inclusion5 decks11 decks
45%synergy
Stirring Bard
36%inclusion4 decks11 decks
36%synergy
Battle Rampart
36%inclusion4 decks11 decks
36%synergy
Wall of Junk
36%inclusion4 decks11 decks
36%synergy
Concealing Curtains
36%inclusion4 decks11 decks
36%synergy
Wall of Bone
36%inclusion4 decks11 decks
36%synergy
Steel Wall
36%inclusion4 decks11 decks
36%synergy
Duplicant
36%inclusion4 decks11 decks
36%synergy
Furystoke Giant
27%inclusion3 decks11 decks
27%synergy
Meteor Golem
27%inclusion3 decks11 decks
25%synergy
Shield Sphere
27%inclusion3 decks11 decks
27%synergy
Wall of Granite
27%inclusion3 decks11 decks
27%synergy
Catapult Fodder
27%inclusion3 decks11 decks
27%synergy
Burnished Hart
27%inclusion3 decks11 decks
23%synergy
Murderous Rider
27%inclusion3 decks11 decks
26%synergy
Palladium Myr
27%inclusion3 decks11 decks
26%synergy
Boggart Trawler
27%inclusion3 decks11 decks
20%synergy
Imperial Recruiter
27%inclusion3 decks11 decks
23%synergy
Bronze Walrus
27%inclusion3 decks11 decks
27%synergy
Dimir House Guard
27%inclusion3 decks11 decks
27%synergy
Brimstone Trebuchet
27%inclusion3 decks11 decks
27%synergy
Wall of Corpses
27%inclusion3 decks11 decks
27%synergy
Wall of Dust
27%inclusion3 decks11 decks
27%synergy
Hedron Crawler
27%inclusion3 decks11 decks
27%synergy
Wall of Spears
27%inclusion3 decks11 decks
27%synergy
Razorgrass Screen
18%inclusion2 decks11 decks
18%synergy
Cinder Wall
18%inclusion2 decks11 decks
18%synergy
Mobile Fort
18%inclusion2 decks11 decks
18%synergy
Solemn Simulacrum
18%inclusion2 decks11 decks
-0%synergy
Instants
Valakut Awakening
55%inclusion6 decks11 decks
47%synergy
Fire Prophecy
45%inclusion5 decks11 decks
45%synergy
Volcanic Spite
36%inclusion4 decks11 decks
36%synergy
Rakdos Charm
36%inclusion4 decks11 decks
-7%synergy
Bedevil
36%inclusion4 decks11 decks
3%synergy
Manhole Missile
33%inclusion2 decks6 decks
33%synergy
Terminate
27%inclusion3 decks11 decks
-12%synergy
Fell the Profane
18%inclusion2 decks11 decks
5%synergy
Lightning Volley
18%inclusion2 decks11 decks
18%synergy
Demon's Due
18%inclusion2 decks11 decks
18%synergy
Chaos Warp
9.1%inclusion1 decks11 decks
-38%synergy
Thrilling Encore
9.1%inclusion1 decks11 decks
9%synergy
Dark Ritual
9.1%inclusion1 decks11 decks
-34%synergy
Tibalt's Trickery
9.1%inclusion1 decks11 decks
-4%synergy
Murder
9.1%inclusion1 decks11 decks
5%synergy
Glyph of Doom
9.1%inclusion1 decks11 decks
9%synergy
Malakir Rebirth
9.1%inclusion1 decks11 decks
-7%synergy
Price of Progress
9.1%inclusion1 decks11 decks
7%synergy
Feign Death
9.1%inclusion1 decks11 decks
3%synergy
Sorceries
Into the Fire
45%inclusion5 decks11 decks
45%synergy
Read the Bones
36%inclusion4 decks11 decks
25%synergy
Soul Immolation
33%inclusion2 decks6 decks
32%synergy
Faithless Looting
18%inclusion2 decks11 decks
-9%synergy
Agadeem's Awakening
18%inclusion2 decks11 decks
15%synergy
Blood Price
18%inclusion2 decks11 decks
18%synergy
Cut // Ribbons
18%inclusion2 decks11 decks
16%synergy
Sundering Eruption
18%inclusion2 decks11 decks
13%synergy
Tip the Scales
13%inclusion1 decks8 decks
12%synergy
Diabolic Tutor
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
Unearth
9.1%inclusion1 decks11 decks
4%synergy
Feed the Swarm
9.1%inclusion1 decks11 decks
-32%synergy
Doomsday
9.1%inclusion1 decks11 decks
9%synergy
Blasphemous Act
9.1%inclusion1 decks11 decks
-42%synergy
Night's Whisper
9.1%inclusion1 decks11 decks
-11%synergy
Fates' Reversal
9.1%inclusion1 decks11 decks
9%synergy
Call of the Death-Dweller
9.1%inclusion1 decks11 decks
9%synergy
Beacon of Unrest
9.1%inclusion1 decks11 decks
8%synergy
Toxic Deluge
9.1%inclusion1 decks11 decks
-8%synergy
From the Catacombs
9.1%inclusion1 decks11 decks
9%synergy
Kick in the Door
9.1%inclusion1 decks11 decks
9%synergy
Damnation
9.1%inclusion1 decks11 decks
2%synergy
Dreadbore
9.1%inclusion1 decks11 decks
4%synergy
Molten Collapse
9.1%inclusion1 decks11 decks
7%synergy
Shattering Spree
9.1%inclusion1 decks11 decks
9%synergy
Utility Artifacts
Illusionist's Bracers
45%inclusion5 decks11 decks
45%synergy
Ashnod's Altar
45%inclusion5 decks11 decks
35%synergy
Darksteel Pendant
36%inclusion4 decks11 decks
36%synergy
Crystal Ball
36%inclusion4 decks11 decks
36%synergy
Reito Lantern
27%inclusion3 decks11 decks
27%synergy
Thousand-Year Elixir
18%inclusion2 decks11 decks
18%synergy
Warmonger's Chariot
18%inclusion2 decks11 decks
18%synergy
Surveyor's Scope
18%inclusion2 decks11 decks
18%synergy
Magewright's Stone
18%inclusion2 decks11 decks
18%synergy
Swiftfoot Boots
18%inclusion2 decks11 decks
-13%synergy
Desecrated Tomb
9.1%inclusion1 decks11 decks
8%synergy
Trailblazer's Torch
9.1%inclusion1 decks11 decks
9%synergy
Crawlspace
9.1%inclusion1 decks11 decks
7%synergy
Meekstone
9.1%inclusion1 decks11 decks
9%synergy
Cryptolith Fragment
9.1%inclusion1 decks11 decks
6%synergy
Fifty Feet of Rope
9.1%inclusion1 decks11 decks
9%synergy
Palantír of Orthanc
9.1%inclusion1 decks11 decks
8%synergy
Whispersilk Cloak
9.1%inclusion1 decks11 decks
4%synergy
Battlemage's Bracers
9.1%inclusion1 decks11 decks
9%synergy
Goblin Charbelcher
9.1%inclusion1 decks11 decks
9%synergy
Lightning Greaves
9.1%inclusion1 decks11 decks
-26%synergy
Ensnaring Bridge
9.1%inclusion1 decks11 decks
9%synergy
Pariah's Shield
9.1%inclusion1 decks11 decks
8%synergy
Enchantments
Jaws of Defeat
38%inclusion3 decks8 decks
37%synergy
Goblin Bombardment
36%inclusion4 decks11 decks
26%synergy
Braid of Fire
27%inclusion3 decks11 decks
25%synergy
Impact Tremors
27%inclusion3 decks11 decks
16%synergy
Kyren Negotiations
18%inclusion2 decks11 decks
18%synergy
Havoc Festival
18%inclusion2 decks11 decks
16%synergy
Rain of Gore
18%inclusion2 decks11 decks
18%synergy
Chaosphere
18%inclusion2 decks11 decks
18%synergy
Thran Vigil
9.1%inclusion1 decks11 decks
8%synergy
Court of Ire
9.1%inclusion1 decks11 decks
8%synergy
Raid Bombardment
9.1%inclusion1 decks11 decks
8%synergy
Mindmoil
9.1%inclusion1 decks11 decks
9%synergy
Loot Dispute
9.1%inclusion1 decks11 decks
9%synergy
Shadows of the Past
9.1%inclusion1 decks11 decks
9%synergy
Shiny Impetus
9.1%inclusion1 decks11 decks
5%synergy
No Mercy
9.1%inclusion1 decks11 decks
6%synergy
Precipitous Drop
9.1%inclusion1 decks11 decks
9%synergy
Cavalcade of Calamity
9.1%inclusion1 decks11 decks
9%synergy
Rain of Riches
9.1%inclusion1 decks11 decks
4%synergy
Planeswalkers
Daretti, Ingenious Iconoclast
18%inclusion2 decks11 decks
17%synergy
Utility Lands
Zhalfirin Void
64%inclusion7 decks11 decks
63%synergy
Bojuka Bog
18%inclusion2 decks11 decks
-18%synergy
Desert of the Glorified
18%inclusion2 decks11 decks
17%synergy
Desert of the Fervent
18%inclusion2 decks11 decks
17%synergy
Buried Ruin
18%inclusion2 decks11 decks
15%synergy
Isolated Watchtower
18%inclusion2 decks11 decks
18%synergy
Ifnir Deadlands
18%inclusion2 decks11 decks
17%synergy
Sokenzan, Crucible of Defiance
18%inclusion2 decks11 decks
14%synergy
Sanctum of Eternity
18%inclusion2 decks11 decks
16%synergy
Sandstone Needle
18%inclusion2 decks11 decks
18%synergy
Ramunap Ruins
18%inclusion2 decks11 decks
16%synergy
Miren, the Moaning Well
9.1%inclusion1 decks11 decks
9%synergy
Westvale Abbey
9.1%inclusion1 decks11 decks
8%synergy
Mage-Ring Network
9.1%inclusion1 decks11 decks
9%synergy
Underdark Rift
9.1%inclusion1 decks11 decks
9%synergy
Tomb of the Spirit Dragon
9.1%inclusion1 decks11 decks
9%synergy
Molten Slagheap
9.1%inclusion1 decks11 decks
7%synergy
Lavaclaw Reaches
9.1%inclusion1 decks11 decks
7%synergy
Arid Archway
9.1%inclusion1 decks11 decks
9%synergy
Cabal Coffers
9.1%inclusion1 decks11 decks
-0%synergy
Forge of Heroes
9.1%inclusion1 decks11 decks
9%synergy
Rockface Village
9.1%inclusion1 decks11 decks
8%synergy
Nykthos, Shrine to Nyx
9.1%inclusion1 decks11 decks
7%synergy
Inventors' Fair
9.1%inclusion1 decks11 decks
7%synergy
Mudflat Village
9.1%inclusion1 decks11 decks
8%synergy
Thespian's Stage
9.1%inclusion1 decks11 decks
8%synergy
Drownyard Temple
9.1%inclusion1 decks11 decks
8%synergy
Temple of the False God
9.1%inclusion1 decks11 decks
-0%synergy
Ominous Cemetery
9.1%inclusion1 decks11 decks
9%synergy
Urborg, Tomb of Yawgmoth
9.1%inclusion1 decks11 decks
-10%synergy
Shivan Gorge
9.1%inclusion1 decks11 decks
1%synergy
Guildless Commons
9.1%inclusion1 decks11 decks
9%synergy
Dungeon Descent
9.1%inclusion1 decks11 decks
9%synergy
Rogue's Passage
9.1%inclusion1 decks11 decks
-11%synergy
Field of Ruin
9.1%inclusion1 decks11 decks
8%synergy
Mana Artifacts
Sol Ring
55%inclusion6 decks11 decks
-31%synergy
Thran Turbine
45%inclusion5 decks11 decks
45%synergy
Talisman of Indulgence
27%inclusion3 decks11 decks
-28%synergy
Arcane Signet
18%inclusion2 decks11 decks
-64%synergy
Vessel of Endless Rest
18%inclusion2 decks11 decks
18%synergy
Lantern of Revealing
9.1%inclusion1 decks11 decks
9%synergy
Commander's Sphere
9.1%inclusion1 decks11 decks
-6%synergy
Dungeon Map
9.1%inclusion1 decks11 decks
9%synergy
Rakdos Signet
9.1%inclusion1 decks11 decks
-47%synergy
Seer's Lantern
9.1%inclusion1 decks11 decks
9%synergy
Sarevok's Tome
9.1%inclusion1 decks11 decks
9%synergy
Fellwar Stone
9.1%inclusion1 decks11 decks
-24%synergy
Mind Stone
9.1%inclusion1 decks11 decks
-18%synergy
Lands
Swamp
100%inclusion11 decks11 decks
2%synergy
Mountain
100%inclusion11 decks11 decks
2%synergy
Command Tower
73%inclusion8 decks11 decks
-13%synergy
Smoldering Marsh
64%inclusion7 decks11 decks
-0%synergy
Blood Crypt
64%inclusion7 decks11 decks
15%synergy
Dragonskull Summit
64%inclusion7 decks11 decks
-1%synergy
Rakdos Carnarium
55%inclusion6 decks11 decks
25%synergy
Crystal Grotto
55%inclusion6 decks11 decks
54%synergy
Valakut Awakening
55%inclusion6 decks11 decks
47%synergy
Graven Cairns
45%inclusion5 decks11 decks
13%synergy
The Grey Havens
45%inclusion5 decks11 decks
45%synergy
Temple of Malice
36%inclusion4 decks11 decks
5%synergy
Tainted Peak
36%inclusion4 decks11 decks
-7%synergy
Sulfurous Springs
36%inclusion4 decks11 decks
-12%synergy
Rumble Arena
33%inclusion2 decks6 decks
33%synergy
Myriad Landscape
27%inclusion3 decks11 decks
11%synergy
Boggart Trawler
27%inclusion3 decks11 decks
20%synergy
Luxury Suite
27%inclusion3 decks11 decks
-11%synergy
Haunted Ridge
27%inclusion3 decks11 decks
-9%synergy
Blightstep Pathway
27%inclusion3 decks11 decks
5%synergy
Fell the Profane
18%inclusion2 decks11 decks
5%synergy
Rakdos Guildgate
18%inclusion2 decks11 decks
12%synergy
Riveteers Overlook
18%inclusion2 decks11 decks
16%synergy
Agadeem's Awakening
18%inclusion2 decks11 decks
15%synergy
Blackcleave Cliffs
18%inclusion2 decks11 decks
-2%synergy
Foreboding Ruins
18%inclusion2 decks11 decks
-27%synergy
Reflecting Pool
18%inclusion2 decks11 decks
15%synergy
Demolition Field
18%inclusion2 decks11 decks
16%synergy
Maestros Theater
18%inclusion2 decks11 decks
16%synergy
Blazemire Verge
18%inclusion2 decks11 decks
-14%synergy
Mount Doom
18%inclusion2 decks11 decks
2%synergy
Sundering Eruption
18%inclusion2 decks11 decks
13%synergy
Geothermal Bog
18%inclusion2 decks11 decks
10%synergy
Pinnacle Monk
18%inclusion2 decks11 decks
11%synergy
Boiling Rock Prison
17%inclusion1 decks6 decks
14%synergy
Dark Fortress
17%inclusion1 decks6 decks
5%synergy
Badlands
9.1%inclusion1 decks11 decks
-5%synergy
Shadowblood Ridge
9.1%inclusion1 decks11 decks
-26%synergy
Terramorphic Expanse
9.1%inclusion1 decks11 decks
-6%synergy
Canyon Slough
9.1%inclusion1 decks11 decks
-10%synergy
Exotic Orchard
9.1%inclusion1 decks11 decks
-22%synergy
Shire Terrace
9.1%inclusion1 decks11 decks
9%synergy
Bloodfell Caves
9.1%inclusion1 decks11 decks
-9%synergy
Cabaretti Courtyard
9.1%inclusion1 decks11 decks
9%synergy
Esper Panorama
9.1%inclusion1 decks11 decks
9%synergy
Naya Panorama
9.1%inclusion1 decks11 decks
9%synergy
Grixis Panorama
9.1%inclusion1 decks11 decks
9%synergy
Sulfurous Mire
9.1%inclusion1 decks11 decks
6%synergy
Promising Vein
9.1%inclusion1 decks11 decks
9%synergy
Cavern of Souls
9.1%inclusion1 decks11 decks
4%synergy
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