Grenzo, Dungeon Warden (Commander) - Upgraded Topdeck

Grenzo, Dungeon Warden
Rank #543
5decks
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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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Dark Fortress
100%inclusion1 decks1 decks
90%synergy
Great Fierce Bee
100%inclusion1 decks1 decks
100%synergy
High Synergy Cards
The Cauldron of Eternity
100%inclusion5 decks5 decks
99%synergy
Viscera Seer
100%inclusion5 decks5 decks
91%synergy
Clone Shell
80%inclusion4 decks5 decks
80%synergy
Hoverstone Pilgrim
80%inclusion4 decks5 decks
79%synergy
Priest of Urabrask
80%inclusion4 decks5 decks
78%synergy
Heartstone
80%inclusion4 decks5 decks
78%synergy
Priest of Gix
80%inclusion4 decks5 decks
78%synergy
Game Changers
Demonic Tutor
20%inclusion1 decks5 decks
2%synergy
Creatures
Big Mother Mouser
67%inclusion2 decks3 decks
66%synergy
Murderous Redcap
60%inclusion3 decks5 decks
56%synergy
Junktroller
60%inclusion3 decks5 decks
59%synergy
Anger
60%inclusion3 decks5 decks
47%synergy
Solemn Simulacrum
60%inclusion3 decks5 decks
41%synergy
Pitiless Plunderer
60%inclusion3 decks5 decks
47%synergy
Gray Merchant of Asphodel
60%inclusion3 decks5 decks
50%synergy
Kiki-Jiki, Mirror Breaker
60%inclusion3 decks5 decks
56%synergy
Ravenous Chupacabra
60%inclusion3 decks5 decks
58%synergy
Workhorse
60%inclusion3 decks5 decks
59%synergy
Palladium Myr
60%inclusion3 decks5 decks
59%synergy
Threefold Thunderhulk
60%inclusion3 decks5 decks
59%synergy
Chrome Companion
50%inclusion2 decks4 decks
50%synergy
Siege-Gang Commander
40%inclusion2 decks5 decks
36%synergy
Meteor Golem
40%inclusion2 decks5 decks
38%synergy
Tomb Trawler
40%inclusion2 decks5 decks
39%synergy
Canal Dredger
40%inclusion2 decks5 decks
40%synergy
Murderous Rider
40%inclusion2 decks5 decks
39%synergy
Phyrexian Vivisector
40%inclusion2 decks5 decks
40%synergy
Pawn of Ulamog
40%inclusion2 decks5 decks
37%synergy
Molten Gatekeeper
40%inclusion2 decks5 decks
38%synergy
Crypt Ghast
40%inclusion2 decks5 decks
38%synergy
Iron Myr
40%inclusion2 decks5 decks
38%synergy
Jaxis, the Troublemaker
40%inclusion2 decks5 decks
34%synergy
Pit Automaton
40%inclusion2 decks5 decks
40%synergy
Goblin Engineer
40%inclusion2 decks5 decks
36%synergy
Barkform Harvester
40%inclusion2 decks5 decks
39%synergy
Bronze Walrus
40%inclusion2 decks5 decks
40%synergy
Woe Strider
40%inclusion2 decks5 decks
38%synergy
Epitaph Golem
40%inclusion2 decks5 decks
40%synergy
Leaden Myr
40%inclusion2 decks5 decks
38%synergy
Zealous Conscripts
40%inclusion2 decks5 decks
38%synergy
Brass Herald
40%inclusion2 decks5 decks
40%synergy
Twilight Diviner
33%inclusion1 decks3 decks
32%synergy
Oft-Nabbed Goat
33%inclusion1 decks3 decks
32%synergy
The Walls of Ba Sing Se
33%inclusion1 decks3 decks
33%synergy
Dimension X Pizzasaur
33%inclusion1 decks3 decks
33%synergy
Rust Harvester
25%inclusion1 decks4 decks
25%synergy
Magic Pot
25%inclusion1 decks4 decks
25%synergy
Vincent Valentine
25%inclusion1 decks4 decks
24%synergy
Rundvelt Hordemaster
20%inclusion1 decks5 decks
19%synergy
Grim Servant
20%inclusion1 decks5 decks
19%synergy
Pentavus
20%inclusion1 decks5 decks
20%synergy
Basal Sliver
20%inclusion1 decks5 decks
20%synergy
Alesha, Who Laughs at Fate
20%inclusion1 decks5 decks
16%synergy
Prowling Geistcatcher
20%inclusion1 decks5 decks
19%synergy
Chainer, Nightmare Adept
20%inclusion1 decks5 decks
12%synergy
Syr Konrad, the Grim
20%inclusion1 decks5 decks
11%synergy
Stormfist Crusader
20%inclusion1 decks5 decks
9%synergy
Tree of Perdition
20%inclusion1 decks5 decks
19%synergy
Instants
Chaos Warp
40%inclusion2 decks5 decks
-7%synergy
Volcanic Spite
40%inclusion2 decks5 decks
40%synergy
Rakdos Charm
40%inclusion2 decks5 decks
-3%synergy
Fire Prophecy
40%inclusion2 decks5 decks
39%synergy
Valakut Awakening
40%inclusion2 decks5 decks
32%synergy
Thrill of Possibility
20%inclusion1 decks5 decks
2%synergy
Magma Jet
20%inclusion1 decks5 decks
20%synergy
Hatred
20%inclusion1 decks5 decks
20%synergy
Inordinate Rage
20%inclusion1 decks5 decks
20%synergy
Dark Ritual
20%inclusion1 decks5 decks
-23%synergy
Poison the Cup
20%inclusion1 decks5 decks
19%synergy
Play with Fire
20%inclusion1 decks5 decks
20%synergy
Terminate
20%inclusion1 decks5 decks
-20%synergy
Coming In Hot
20%inclusion1 decks5 decks
20%synergy
Malakir Rebirth
20%inclusion1 decks5 decks
5%synergy
Overwhelming Remorse
20%inclusion1 decks5 decks
20%synergy
Demon's Due
20%inclusion1 decks5 decks
20%synergy
Abnormal Endurance
20%inclusion1 decks5 decks
19%synergy
Saw in Half
20%inclusion1 decks5 decks
8%synergy
Kazuul's Fury
20%inclusion1 decks5 decks
16%synergy
Withering Torment
20%inclusion1 decks5 decks
-1%synergy
Sorceries
Dread Return
40%inclusion2 decks5 decks
36%synergy
Feed the Swarm
40%inclusion2 decks5 decks
-1%synergy
Read the Bones
40%inclusion2 decks5 decks
28%synergy
Doomsday
40%inclusion2 decks5 decks
39%synergy
Into the Fire
40%inclusion2 decks5 decks
39%synergy
Chain Reaction
20%inclusion1 decks5 decks
15%synergy
Cathartic Reunion
20%inclusion1 decks5 decks
14%synergy
Terror Tide
20%inclusion1 decks5 decks
20%synergy
Command the Dreadhorde
20%inclusion1 decks5 decks
19%synergy
Harsh Scrutiny
20%inclusion1 decks5 decks
20%synergy
Vandalblast
20%inclusion1 decks5 decks
-10%synergy
Sinister Waltz
20%inclusion1 decks5 decks
19%synergy
Faithless Looting
20%inclusion1 decks5 decks
-7%synergy
Blood Price
20%inclusion1 decks5 decks
20%synergy
Mana Geyser
20%inclusion1 decks5 decks
7%synergy
Toxic Deluge
20%inclusion1 decks5 decks
3%synergy
Lich-Knights' Conquest
20%inclusion1 decks5 decks
18%synergy
Sign in Blood
20%inclusion1 decks5 decks
-3%synergy
Dreadbore
20%inclusion1 decks5 decks
15%synergy
Bolt of Keranos
20%inclusion1 decks5 decks
20%synergy
Utility Artifacts
Ashnod's Altar
60%inclusion3 decks5 decks
50%synergy
Reito Lantern
60%inclusion3 decks5 decks
60%synergy
Illusionist's Bracers
40%inclusion2 decks5 decks
39%synergy
Jar of Eyeballs
40%inclusion2 decks5 decks
40%synergy
Teferi's Puzzle Box
40%inclusion2 decks5 decks
39%synergy
Darksteel Pendant
40%inclusion2 decks5 decks
40%synergy
Tel-Jilad Stylus
40%inclusion2 decks5 decks
39%synergy
Animation Module
40%inclusion2 decks5 decks
39%synergy
Lightning Greaves
40%inclusion2 decks5 decks
5%synergy
Weatherlight Compleated
20%inclusion1 decks5 decks
20%synergy
Desecrated Tomb
20%inclusion1 decks5 decks
19%synergy
Unwinding Clock
20%inclusion1 decks5 decks
20%synergy
The Ozolith
20%inclusion1 decks5 decks
18%synergy
Moonsilver Key
20%inclusion1 decks5 decks
20%synergy
Conjurer's Bauble
20%inclusion1 decks5 decks
20%synergy
Cauldron of Souls
20%inclusion1 decks5 decks
19%synergy
Skullclamp
20%inclusion1 decks5 decks
10%synergy
Nim Deathmantle
20%inclusion1 decks5 decks
19%synergy
Cloak and Dagger
20%inclusion1 decks5 decks
20%synergy
Panharmonicon
20%inclusion1 decks5 decks
19%synergy
Forsaken Monument
20%inclusion1 decks5 decks
20%synergy
Wishclaw Talisman
20%inclusion1 decks5 decks
14%synergy
Phyrexian Altar
20%inclusion1 decks5 decks
14%synergy
Netherborn Altar
20%inclusion1 decks5 decks
20%synergy
Soldevi Digger
20%inclusion1 decks5 decks
20%synergy
Dragon Blood
20%inclusion1 decks5 decks
20%synergy
Crystal Ball
20%inclusion1 decks5 decks
20%synergy
Agatha's Soul Cauldron
20%inclusion1 decks5 decks
18%synergy
Enchantments
All Will Be One
40%inclusion2 decks5 decks
37%synergy
Shadows of the Past
40%inclusion2 decks5 decks
40%synergy
Thran Vigil
20%inclusion1 decks5 decks
19%synergy
Fires of Invention
20%inclusion1 decks5 decks
20%synergy
Dark Privilege
20%inclusion1 decks5 decks
20%synergy
Mana Echoes
20%inclusion1 decks5 decks
19%synergy
Mindmoil
20%inclusion1 decks5 decks
20%synergy
Warstorm Surge
20%inclusion1 decks5 decks
16%synergy
The Brothers' War
20%inclusion1 decks5 decks
20%synergy
Teval's Judgment
20%inclusion1 decks5 decks
19%synergy
Braid of Fire
20%inclusion1 decks5 decks
18%synergy
Dictate of Erebos
20%inclusion1 decks5 decks
18%synergy
Powerbalance
20%inclusion1 decks5 decks
18%synergy
Impact Tremors
20%inclusion1 decks5 decks
9%synergy
Chthonian Nightmare
20%inclusion1 decks5 decks
18%synergy
Utility Lands
Bojuka Bog
40%inclusion2 decks5 decks
4%synergy
Vault of Whispers
40%inclusion2 decks5 decks
34%synergy
Zhalfirin Void
40%inclusion2 decks5 decks
39%synergy
Buried Ruin
40%inclusion2 decks5 decks
37%synergy
Urborg, Tomb of Yawgmoth
40%inclusion2 decks5 decks
21%synergy
Great Furnace
40%inclusion2 decks5 decks
33%synergy
Midgar, City of Mako
25%inclusion1 decks4 decks
19%synergy
Kavaron, Memorial World
25%inclusion1 decks4 decks
25%synergy
Hanweir Battlements
20%inclusion1 decks5 decks
19%synergy
Arch of Orazca
20%inclusion1 decks5 decks
20%synergy
Arid Archway
20%inclusion1 decks5 decks
19%synergy
Vesuva
20%inclusion1 decks5 decks
20%synergy
Urza's Saga
20%inclusion1 decks5 decks
14%synergy
Cabal Coffers
20%inclusion1 decks5 decks
11%synergy
Minas Morgul, Dark Fortress
20%inclusion1 decks5 decks
18%synergy
Darksteel Citadel
20%inclusion1 decks5 decks
16%synergy
Inventors' Fair
20%inclusion1 decks5 decks
18%synergy
Great Hall of the Citadel
20%inclusion1 decks5 decks
20%synergy
Dakmor Salvage
20%inclusion1 decks5 decks
19%synergy
Guildless Commons
20%inclusion1 decks5 decks
20%synergy
Rogue's Passage
20%inclusion1 decks5 decks
0%synergy
Mana Artifacts
Sol Ring
80%inclusion4 decks5 decks
-6%synergy
Arcane Signet
40%inclusion2 decks5 decks
-42%synergy
Rakdos Signet
40%inclusion2 decks5 decks
-17%synergy
Thran Turbine
40%inclusion2 decks5 decks
39%synergy
Lantern of Revealing
20%inclusion1 decks5 decks
20%synergy
Talisman of Indulgence
20%inclusion1 decks5 decks
-35%synergy
Seer's Lantern
20%inclusion1 decks5 decks
20%synergy
Serum Powder
20%inclusion1 decks5 decks
20%synergy
Vessel of Endless Rest
20%inclusion1 decks5 decks
20%synergy
Fellwar Stone
20%inclusion1 decks5 decks
-13%synergy
Slagstone Refinery
20%inclusion1 decks5 decks
20%synergy
Lands
Swamp
100%inclusion5 decks5 decks
2%synergy
Temple of Malice
100%inclusion5 decks5 decks
68%synergy
Mountain
100%inclusion5 decks5 decks
2%synergy
Command Tower
80%inclusion4 decks5 decks
-6%synergy
Smoldering Marsh
60%inclusion3 decks5 decks
-4%synergy
Graven Cairns
60%inclusion3 decks5 decks
28%synergy
Dragonskull Summit
60%inclusion3 decks5 decks
-4%synergy
Blightstep Pathway
60%inclusion3 decks5 decks
38%synergy
Raucous Theater
40%inclusion2 decks5 decks
18%synergy
Shadowblood Ridge
40%inclusion2 decks5 decks
5%synergy
Blood Crypt
40%inclusion2 decks5 decks
-8%synergy
Blackcleave Cliffs
40%inclusion2 decks5 decks
20%synergy
Bloodfell Caves
40%inclusion2 decks5 decks
21%synergy
Luxury Suite
40%inclusion2 decks5 decks
2%synergy
The Grey Havens
40%inclusion2 decks5 decks
39%synergy
Crystal Grotto
40%inclusion2 decks5 decks
39%synergy
Sulfurous Springs
40%inclusion2 decks5 decks
-8%synergy
Bloodstained Mire
40%inclusion2 decks5 decks
6%synergy
Valakut Awakening
40%inclusion2 decks5 decks
32%synergy
Starting Town
25%inclusion1 decks4 decks
23%synergy
Escape Tunnel
20%inclusion1 decks5 decks
19%synergy
The Mycosynth Gardens
20%inclusion1 decks5 decks
19%synergy
Rakdos Carnarium
20%inclusion1 decks5 decks
-10%synergy
Badlands
20%inclusion1 decks5 decks
6%synergy
Terramorphic Expanse
20%inclusion1 decks5 decks
5%synergy
Canyon Slough
20%inclusion1 decks5 decks
0%synergy
Drossforge Bridge
20%inclusion1 decks5 decks
14%synergy
Foreboding Ruins
20%inclusion1 decks5 decks
-26%synergy
Shire Terrace
20%inclusion1 decks5 decks
19%synergy
Lantern-Lit Graveyard
20%inclusion1 decks5 decks
20%synergy
Sulfurous Mire
20%inclusion1 decks5 decks
17%synergy
Rocky Tar Pit
20%inclusion1 decks5 decks
18%synergy
Thriving Bluff
20%inclusion1 decks5 decks
18%synergy
Blazemire Verge
20%inclusion1 decks5 decks
-11%synergy
Malakir Rebirth
20%inclusion1 decks5 decks
5%synergy
Evolving Wilds
20%inclusion1 decks5 decks
-0%synergy
Tainted Peak
20%inclusion1 decks5 decks
-23%synergy
Path of Ancestry
20%inclusion1 decks5 decks
4%synergy
Haunted Ridge
20%inclusion1 decks5 decks
-16%synergy
Geothermal Bog
20%inclusion1 decks5 decks
11%synergy
Study Hall
20%inclusion1 decks5 decks
20%synergy
Kazuul's Fury
20%inclusion1 decks5 decks
16%synergy
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