Grenzo, Dungeon Warden (Commander) - Upgraded Graveyard

Grenzo, Dungeon Warden
Rank #542
15decks
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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
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M.O.D.O.K.
25%inclusion1 decks4 decks
24%synergy
Hammerhead, Maggia Boss
25%inclusion1 decks4 decks
25%synergy
High Synergy Cards
Barkform Harvester
73%inclusion11 decks15 decks
72%synergy
Zhalfirin Void
73%inclusion11 decks15 decks
72%synergy
Heartstone
73%inclusion11 decks15 decks
71%synergy
The Cauldron of Eternity
67%inclusion10 decks15 decks
66%synergy
Bronze Walrus
60%inclusion9 decks15 decks
60%synergy
Hoverstone Pilgrim
60%inclusion9 decks15 decks
59%synergy
Ashnod's Altar
67%inclusion10 decks15 decks
56%synergy
Crystal Ball
53%inclusion8 decks15 decks
53%synergy
Junktroller
53%inclusion8 decks15 decks
53%synergy
Palladium Myr
53%inclusion8 decks15 decks
52%synergy
Top Cards
Chaos Warp
53%inclusion8 decks15 decks
6%synergy
Gray Merchant of Asphodel
47%inclusion7 decks15 decks
36%synergy
Solemn Simulacrum
47%inclusion7 decks15 decks
28%synergy
Ravenous Chupacabra
47%inclusion7 decks15 decks
45%synergy
Flayer of the Hatebound
47%inclusion7 decks15 decks
45%synergy
Tomb Trawler
47%inclusion7 decks15 decks
46%synergy
Ornithopter of Paradise
47%inclusion7 decks15 decks
43%synergy
Tel-Jilad Stylus
40%inclusion6 decks15 decks
39%synergy
Illuminor Szeras
40%inclusion6 decks15 decks
39%synergy
Treasure Map
40%inclusion6 decks15 decks
39%synergy
Game Changers
Ancient Tomb
13%inclusion2 decks15 decks
4%synergy
Imperial Seal
6.7%inclusion1 decks15 decks
2%synergy
Demonic Tutor
6.7%inclusion1 decks15 decks
-11%synergy
Gamble
6.7%inclusion1 decks15 decks
-3%synergy
Braids, Cabal Minion
6.7%inclusion1 decks15 decks
6%synergy
Orcish Bowmasters
6.7%inclusion1 decks15 decks
-4%synergy
Vampiric Tutor
6.7%inclusion1 decks15 decks
-7%synergy
Creatures
Pinnacle Monk
53%inclusion8 decks15 decks
46%synergy
Boggart Trawler
47%inclusion7 decks15 decks
39%synergy
Viscera Seer
40%inclusion6 decks15 decks
31%synergy
Mad Auntie
40%inclusion6 decks15 decks
38%synergy
Clone Shell
40%inclusion6 decks15 decks
40%synergy
Duplicant
40%inclusion6 decks15 decks
39%synergy
Priest of Gix
40%inclusion6 decks15 decks
38%synergy
Eclipsed Boggart
38%inclusion3 decks8 decks
34%synergy
Cait Sith, Fortune Teller
36%inclusion4 decks11 decks
36%synergy
Ardyn, the Usurper
36%inclusion4 decks11 decks
35%synergy
Workhorse
33%inclusion5 decks15 decks
33%synergy
Burnished Hart
33%inclusion5 decks15 decks
29%synergy
Akoum Warrior
33%inclusion5 decks15 decks
33%synergy
Iron Myr
33%inclusion5 decks15 decks
31%synergy
Blackbloom Rogue
33%inclusion5 decks15 decks
33%synergy
Priest of Urabrask
33%inclusion5 decks15 decks
31%synergy
Epitaph Golem
33%inclusion5 decks15 decks
33%synergy
Thermopod
33%inclusion5 decks15 decks
33%synergy
Soldevi Adnate
33%inclusion5 decks15 decks
33%synergy
The Walls of Ba Sing Se
30%inclusion3 decks10 decks
29%synergy
Avatar Roku, Firebender
30%inclusion3 decks10 decks
27%synergy
Vincent Valentine
27%inclusion3 decks11 decks
27%synergy
Summon: Esper Valigarmanda
27%inclusion3 decks11 decks
27%synergy
Ultima, Origin of Oblivion
27%inclusion3 decks11 decks
27%synergy
Warteye Witch
27%inclusion4 decks15 decks
26%synergy
Tesak, Judith's Hellhound
27%inclusion4 decks15 decks
27%synergy
Blood Artist
27%inclusion4 decks15 decks
8%synergy
Deathbringer Thoctar
27%inclusion4 decks15 decks
26%synergy
Plaguecrafter
27%inclusion4 decks15 decks
22%synergy
Urabrask the Hidden
27%inclusion4 decks15 decks
24%synergy
Chainer, Nightmare Adept
27%inclusion4 decks15 decks
19%synergy
Meteor Golem
27%inclusion4 decks15 decks
24%synergy
Alena, Kessig Trapper
27%inclusion4 decks15 decks
27%synergy
Havoc Eater
27%inclusion4 decks15 decks
26%synergy
Canal Dredger
27%inclusion4 decks15 decks
26%synergy
Nightmare Shepherd
27%inclusion4 decks15 decks
26%synergy
Neheb, the Eternal
27%inclusion4 decks15 decks
20%synergy
Archfiend of Depravity
27%inclusion4 decks15 decks
23%synergy
Archon of Cruelty
27%inclusion4 decks15 decks
24%synergy
Murderous Redcap
27%inclusion4 decks15 decks
23%synergy
Zulaport Cutthroat
27%inclusion4 decks15 decks
19%synergy
Changeling Wayfinder
25%inclusion2 decks8 decks
24%synergy
Sinister Gnarlbark
25%inclusion2 decks8 decks
24%synergy
Sling-Gang Lieutenant
20%inclusion3 decks15 decks
16%synergy
Sepulchral Primordial
20%inclusion3 decks15 decks
18%synergy
Woe Strider
20%inclusion3 decks15 decks
18%synergy
Treasure Nabber
20%inclusion3 decks15 decks
16%synergy
Emrakul's Hatcher
20%inclusion3 decks15 decks
20%synergy
Rakdos, Lord of Riots
20%inclusion3 decks15 decks
13%synergy
Mindclaw Shaman
20%inclusion3 decks15 decks
20%synergy
Instants
Valakut Awakening
53%inclusion8 decks15 decks
45%synergy
Fell the Profane
33%inclusion5 decks15 decks
21%synergy
Volcanic Spite
27%inclusion4 decks15 decks
26%synergy
Fire Prophecy
27%inclusion4 decks15 decks
26%synergy
Dark Ritual
20%inclusion3 decks15 decks
-23%synergy
Malakir Rebirth
20%inclusion3 decks15 decks
5%synergy
Rakdos Charm
13%inclusion2 decks15 decks
-30%synergy
Terminate
13%inclusion2 decks15 decks
-26%synergy
Withering Torment
13%inclusion2 decks15 decks
-8%synergy
Thrill of Possibility
6.7%inclusion1 decks15 decks
-12%synergy
Magma Jet
6.7%inclusion1 decks15 decks
7%synergy
Imp's Mischief
6.7%inclusion1 decks15 decks
-2%synergy
Village Rites
6.7%inclusion1 decks15 decks
-9%synergy
Not Dead After All
6.7%inclusion1 decks15 decks
-2%synergy
Fanatical Offering
6.7%inclusion1 decks15 decks
5%synergy
Goryo's Vengeance
6.7%inclusion1 decks15 decks
6%synergy
Deadly Dispute
6.7%inclusion1 decks15 decks
-21%synergy
Lose Hope
6.7%inclusion1 decks15 decks
7%synergy
Inordinate Rage
6.7%inclusion1 decks15 decks
7%synergy
Poison the Cup
6.7%inclusion1 decks15 decks
6%synergy
Play with Fire
6.7%inclusion1 decks15 decks
6%synergy
Eviscerator's Insight
6.7%inclusion1 decks15 decks
4%synergy
Undying Malice
6.7%inclusion1 decks15 decks
-0%synergy
Darkness
6.7%inclusion1 decks15 decks
5%synergy
Coming In Hot
6.7%inclusion1 decks15 decks
7%synergy
Fake Your Own Death
6.7%inclusion1 decks15 decks
-0%synergy
Deflecting Swat
6.7%inclusion1 decks15 decks
-15%synergy
Bedevil
6.7%inclusion1 decks15 decks
-27%synergy
Demon's Due
6.7%inclusion1 decks15 decks
6%synergy
Gravepurge
6.7%inclusion1 decks15 decks
6%synergy
Nasty End
6.7%inclusion1 decks15 decks
2%synergy
Abrade
6.7%inclusion1 decks15 decks
-15%synergy
Sorceries
Blasphemous Act
40%inclusion6 decks15 decks
-11%synergy
Sozin's Comet
40%inclusion4 decks10 decks
37%synergy
Read the Bones
33%inclusion5 decks15 decks
21%synergy
Mana Geyser
33%inclusion5 decks15 decks
20%synergy
Bloodsoaked Insight
27%inclusion4 decks15 decks
18%synergy
Into the Fire
27%inclusion4 decks15 decks
26%synergy
Vandalblast
20%inclusion3 decks15 decks
-10%synergy
Sinister Waltz
20%inclusion3 decks15 decks
18%synergy
Faithless Looting
20%inclusion3 decks15 decks
-7%synergy
Sundering Eruption
20%inclusion3 decks15 decks
15%synergy
Dread Return
13%inclusion2 decks15 decks
9%synergy
Diabolic Intent
6.7%inclusion1 decks15 decks
-1%synergy
Terror Tide
6.7%inclusion1 decks15 decks
6%synergy
Victimize
6.7%inclusion1 decks15 decks
-8%synergy
Profane Tutor
6.7%inclusion1 decks15 decks
5%synergy
Eldritch Pact
6.7%inclusion1 decks15 decks
7%synergy
Irencrag Feat
6.7%inclusion1 decks15 decks
6%synergy
Harsh Scrutiny
6.7%inclusion1 decks15 decks
7%synergy
Feed the Swarm
6.7%inclusion1 decks15 decks
-34%synergy
Doomsday
6.7%inclusion1 decks15 decks
6%synergy
Hew the Entwood
6.7%inclusion1 decks15 decks
7%synergy
Blood Price
6.7%inclusion1 decks15 decks
7%synergy
Reanimate
6.7%inclusion1 decks15 decks
-16%synergy
Toxic Deluge
6.7%inclusion1 decks15 decks
-11%synergy
Stomping Slabs
6.7%inclusion1 decks15 decks
7%synergy
Stitch Together
6.7%inclusion1 decks15 decks
5%synergy
Beseech the Mirror
6.7%inclusion1 decks15 decks
3%synergy
Macabre Waltz
6.7%inclusion1 decks15 decks
6%synergy
Dreadbore
6.7%inclusion1 decks15 decks
2%synergy
Zof Consumption
6.7%inclusion1 decks15 decks
6%synergy
Bolt of Keranos
6.7%inclusion1 decks15 decks
7%synergy
Throes of Chaos
6.7%inclusion1 decks15 decks
6%synergy
Tormenting Voice
6.7%inclusion1 decks15 decks
3%synergy
Exhume
6.7%inclusion1 decks15 decks
6%synergy
Utility Artifacts
Planetarium of Wan Shi Tong
40%inclusion4 decks10 decks
40%synergy
Illusionist's Bracers
27%inclusion4 decks15 decks
26%synergy
Teferi's Puzzle Box
27%inclusion4 decks15 decks
26%synergy
Darksteel Pendant
27%inclusion4 decks15 decks
26%synergy
Swiftfoot Boots
27%inclusion4 decks15 decks
-5%synergy
Reito Lantern
27%inclusion4 decks15 decks
26%synergy
Palantír of Orthanc
20%inclusion3 decks15 decks
19%synergy
Mazemind Tome
20%inclusion3 decks15 decks
20%synergy
Lightning Greaves
20%inclusion3 decks15 decks
-15%synergy
Ring of Xathrid
20%inclusion3 decks15 decks
20%synergy
Desecrated Tomb
13%inclusion2 decks15 decks
13%synergy
Crucible of Worlds
13%inclusion2 decks15 decks
13%synergy
Conjurer's Bauble
13%inclusion2 decks15 decks
13%synergy
Jar of Eyeballs
6.7%inclusion1 decks15 decks
7%synergy
Darksteel Axe
6.7%inclusion1 decks15 decks
7%synergy
Mithril Coat
6.7%inclusion1 decks15 decks
2%synergy
Ring of Valkas
6.7%inclusion1 decks15 decks
6%synergy
Whip of Erebos
6.7%inclusion1 decks15 decks
0%synergy
Skullclamp
6.7%inclusion1 decks15 decks
-4%synergy
Nim Deathmantle
6.7%inclusion1 decks15 decks
6%synergy
Cloak and Dagger
6.7%inclusion1 decks15 decks
6%synergy
Panharmonicon
6.7%inclusion1 decks15 decks
6%synergy
Candy Trail
6.7%inclusion1 decks15 decks
6%synergy
Shadowspear
6.7%inclusion1 decks15 decks
3%synergy
Phyrexian Altar
6.7%inclusion1 decks15 decks
1%synergy
Brass's Tunnel-Grinder
6.7%inclusion1 decks15 decks
3%synergy
Battlemage's Bracers
6.7%inclusion1 decks15 decks
6%synergy
Champion's Helm
6.7%inclusion1 decks15 decks
5%synergy
Goblin Charbelcher
6.7%inclusion1 decks15 decks
6%synergy
Sword of Feast and Famine
6.7%inclusion1 decks15 decks
6%synergy
Enchantments
Braid of Fire
27%inclusion4 decks15 decks
25%synergy
Teval's Judgment
15%inclusion2 decks13 decks
15%synergy
Thran Vigil
13%inclusion2 decks15 decks
12%synergy
Fires of Invention
13%inclusion2 decks15 decks
13%synergy
Mana Echoes
13%inclusion2 decks15 decks
13%synergy
Mindmoil
13%inclusion2 decks15 decks
13%synergy
Omen of the Dead
6.7%inclusion1 decks15 decks
7%synergy
Dragon Mantle
6.7%inclusion1 decks15 decks
6%synergy
Fists of the Demigod
6.7%inclusion1 decks15 decks
6%synergy
Ripples of Undeath
6.7%inclusion1 decks15 decks
4%synergy
The Cruelty of Gix
6.7%inclusion1 decks15 decks
6%synergy
Agent of the Iron Throne
6.7%inclusion1 decks15 decks
4%synergy
Flameshadow Conjuring
6.7%inclusion1 decks15 decks
4%synergy
Quest for the Necropolis
6.7%inclusion1 decks15 decks
6%synergy
All Will Be One
6.7%inclusion1 decks15 decks
4%synergy
Madcap Skills
6.7%inclusion1 decks15 decks
7%synergy
Necromancy
6.7%inclusion1 decks15 decks
4%synergy
Impact Tremors
6.7%inclusion1 decks15 decks
-5%synergy
Immolation
6.7%inclusion1 decks15 decks
7%synergy
Shadows of the Past
6.7%inclusion1 decks15 decks
6%synergy
Demonic Ruckus
6.7%inclusion1 decks15 decks
6%synergy
The Witch's Vanity
6.7%inclusion1 decks15 decks
7%synergy
Kaya's Ghostform
6.7%inclusion1 decks15 decks
1%synergy
Agent of the Shadow Thieves
6.7%inclusion1 decks15 decks
6%synergy
Animate Dead
6.7%inclusion1 decks15 decks
-2%synergy
One Ring to Rule Them All
6.7%inclusion1 decks15 decks
6%synergy
Demonic Embrace
6.7%inclusion1 decks15 decks
6%synergy
Goblin Bombardment
6.7%inclusion1 decks15 decks
-3%synergy
Planeswalkers
Daretti, Scrap Savant
20%inclusion3 decks15 decks
18%synergy
Utility Lands
Fire Nation Palace
40%inclusion4 decks10 decks
35%synergy
Hanweir Battlements
33%inclusion5 decks15 decks
32%synergy
Bojuka Bog
27%inclusion4 decks15 decks
-9%synergy
Flamekin Village
27%inclusion4 decks15 decks
26%synergy
Buried Ruin
27%inclusion4 decks15 decks
23%synergy
Guildless Commons
27%inclusion4 decks15 decks
26%synergy
High Market
20%inclusion3 decks15 decks
16%synergy
Urborg, Tomb of Yawgmoth
20%inclusion3 decks15 decks
1%synergy
Molten Slagheap
13%inclusion2 decks15 decks
11%synergy
Isolated Watchtower
13%inclusion2 decks15 decks
13%synergy
Temple of the False God
13%inclusion2 decks15 decks
4%synergy
Multiversal Passage
10%inclusion1 decks10 decks
9%synergy
Shizo, Death's Storehouse
6.7%inclusion1 decks15 decks
1%synergy
Miren, the Moaning Well
6.7%inclusion1 decks15 decks
7%synergy
Pit of Offerings
6.7%inclusion1 decks15 decks
6%synergy
Witch's Clinic
6.7%inclusion1 decks15 decks
-1%synergy
Vault of Whispers
6.7%inclusion1 decks15 decks
0%synergy
Phyrexian Tower
6.7%inclusion1 decks15 decks
-4%synergy
Mortuary Mire
6.7%inclusion1 decks15 decks
1%synergy
Barren Moor
6.7%inclusion1 decks15 decks
2%synergy
Forgotten Cave
6.7%inclusion1 decks15 decks
2%synergy
Urza's Saga
6.7%inclusion1 decks15 decks
1%synergy
Scavenger Grounds
6.7%inclusion1 decks15 decks
5%synergy
Restless Vents
6.7%inclusion1 decks15 decks
2%synergy
Spymaster's Vault
6.7%inclusion1 decks15 decks
3%synergy
Cabal Coffers
6.7%inclusion1 decks15 decks
-3%synergy
Command Beacon
6.7%inclusion1 decks15 decks
0%synergy
Darksteel Citadel
6.7%inclusion1 decks15 decks
3%synergy
Hidden Volcano
6.7%inclusion1 decks15 decks
6%synergy
Great Hall of the Citadel
6.7%inclusion1 decks15 decks
6%synergy
Drownyard Temple
6.7%inclusion1 decks15 decks
5%synergy
Great Furnace
6.7%inclusion1 decks15 decks
0%synergy
Mana Artifacts
Sol Ring
67%inclusion10 decks15 decks
-19%synergy
Arcane Signet
33%inclusion5 decks15 decks
-49%synergy
The Eternity Elevator
30%inclusion3 decks10 decks
29%synergy
Rakdos Signet
27%inclusion4 decks15 decks
-30%synergy
Talisman of Indulgence
20%inclusion3 decks15 decks
-35%synergy
Thran Turbine
20%inclusion3 decks15 decks
19%synergy
Vessel of Endless Rest
13%inclusion2 decks15 decks
13%synergy
The Soul Stone
10%inclusion1 decks10 decks
5%synergy
Lantern of Revealing
6.7%inclusion1 decks15 decks
7%synergy
Seer's Lantern
6.7%inclusion1 decks15 decks
7%synergy
Fellwar Stone
6.7%inclusion1 decks15 decks
-27%synergy
Thran Dynamo
6.7%inclusion1 decks15 decks
2%synergy
Victory Chimes
6.7%inclusion1 decks15 decks
6%synergy
Lands
Swamp
100%inclusion15 decks15 decks
2%synergy
Mountain
100%inclusion15 decks15 decks
2%synergy
Dragonskull Summit
93%inclusion14 decks15 decks
29%synergy
Command Tower
87%inclusion13 decks15 decks
1%synergy
Temple of Malice
87%inclusion13 decks15 decks
54%synergy
Sulfurous Springs
73%inclusion11 decks15 decks
25%synergy
Smoldering Marsh
60%inclusion9 decks15 decks
-4%synergy
Crystal Grotto
60%inclusion9 decks15 decks
59%synergy
Blood Crypt
53%inclusion8 decks15 decks
6%synergy
Graven Cairns
53%inclusion8 decks15 decks
21%synergy
The Grey Havens
53%inclusion8 decks15 decks
53%synergy
Pinnacle Monk
53%inclusion8 decks15 decks
46%synergy
Valakut Awakening
53%inclusion8 decks15 decks
45%synergy
Boggart Trawler
47%inclusion7 decks15 decks
39%synergy
Rakdos Carnarium
40%inclusion6 decks15 decks
10%synergy
Path of Ancestry
40%inclusion6 decks15 decks
24%synergy
Haunted Ridge
40%inclusion6 decks15 decks
4%synergy
Blightstep Pathway
40%inclusion6 decks15 decks
18%synergy
Raucous Theater
33%inclusion5 decks15 decks
11%synergy
Fell the Profane
33%inclusion5 decks15 decks
21%synergy
Shadowblood Ridge
33%inclusion5 decks15 decks
-2%synergy
Exotic Orchard
33%inclusion5 decks15 decks
2%synergy
Blackbloom Rogue
33%inclusion5 decks15 decks
33%synergy
Luxury Suite
33%inclusion5 decks15 decks
-5%synergy
Akoum Warrior
33%inclusion5 decks15 decks
33%synergy
Bloodstained Mire
33%inclusion5 decks15 decks
-0%synergy
Rumble Arena
30%inclusion3 decks10 decks
30%synergy
Foreboding Ruins
27%inclusion4 decks15 decks
-19%synergy
Bloodsoaked Insight
27%inclusion4 decks15 decks
18%synergy
Canyon Slough
20%inclusion3 decks15 decks
0%synergy
Horizon of Progress
20%inclusion3 decks15 decks
19%synergy
Blazemire Verge
20%inclusion3 decks15 decks
-11%synergy
Malakir Rebirth
20%inclusion3 decks15 decks
5%synergy
Evolving Wilds
20%inclusion3 decks15 decks
-0%synergy
Tainted Peak
20%inclusion3 decks15 decks
-23%synergy
Sundering Eruption
20%inclusion3 decks15 decks
15%synergy
Terramorphic Expanse
13%inclusion2 decks15 decks
-2%synergy
Mount Doom
13%inclusion2 decks15 decks
-3%synergy
Opal Palace
13%inclusion2 decks15 decks
12%synergy
Eclipsed Realms
13%inclusion1 decks8 decks
10%synergy
Vector, Imperial Capital
9.1%inclusion1 decks11 decks
7%synergy
Escape Tunnel
6.7%inclusion1 decks15 decks
5%synergy
Fabled Passage
6.7%inclusion1 decks15 decks
-2%synergy
Badlands
6.7%inclusion1 decks15 decks
-7%synergy
Auntie's Hovel
6.7%inclusion1 decks15 decks
5%synergy
Myriad Landscape
6.7%inclusion1 decks15 decks
-10%synergy
Drossforge Bridge
6.7%inclusion1 decks15 decks
1%synergy
Captivating Cave
6.7%inclusion1 decks15 decks
6%synergy
Ash Barrens
6.7%inclusion1 decks15 decks
-1%synergy
Unclaimed Territory
6.7%inclusion1 decks15 decks
3%synergy
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