Grenzo, Dungeon Warden (Commander) - Upgraded Graveyard

Grenzo, Dungeon Warden
Rank #544
16decks
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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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Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Azog, Moria's Ruin
33%inclusion1 decks3 decks
26%synergy
Troop of Ponies
33%inclusion1 decks3 decks
31%synergy
High Synergy Cards
Barkform Harvester
75%inclusion12 decks16 decks
74%synergy
Heartstone
75%inclusion12 decks16 decks
73%synergy
Zhalfirin Void
69%inclusion11 decks16 decks
68%synergy
The Cauldron of Eternity
69%inclusion11 decks16 decks
68%synergy
Ashnod's Altar
69%inclusion11 decks16 decks
59%synergy
Bronze Walrus
56%inclusion9 decks16 decks
56%synergy
Hoverstone Pilgrim
56%inclusion9 decks16 decks
56%synergy
Crystal Ball
50%inclusion8 decks16 decks
50%synergy
Junktroller
50%inclusion8 decks16 decks
49%synergy
Tomb Trawler
50%inclusion8 decks16 decks
49%synergy
Top Cards
Palladium Myr
50%inclusion8 decks16 decks
49%synergy
Solemn Simulacrum
50%inclusion8 decks16 decks
31%synergy
Ravenous Chupacabra
50%inclusion8 decks16 decks
48%synergy
Chaos Warp
50%inclusion8 decks16 decks
3%synergy
Ornithopter of Paradise
50%inclusion8 decks16 decks
46%synergy
Flayer of the Hatebound
44%inclusion7 decks16 decks
42%synergy
Priest of Gix
44%inclusion7 decks16 decks
42%synergy
Viscera Seer
44%inclusion7 decks16 decks
35%synergy
Gray Merchant of Asphodel
44%inclusion7 decks16 decks
34%synergy
Treasure Map
38%inclusion6 decks16 decks
36%synergy
Game Changers
Ancient Tomb
13%inclusion2 decks16 decks
3%synergy
Jeska's Will
6.3%inclusion1 decks16 decks
-17%synergy
Imperial Seal
6.3%inclusion1 decks16 decks
2%synergy
Demonic Tutor
6.3%inclusion1 decks16 decks
-12%synergy
Gamble
6.3%inclusion1 decks16 decks
-3%synergy
Braids, Cabal Minion
6.3%inclusion1 decks16 decks
6%synergy
Orcish Bowmasters
6.3%inclusion1 decks16 decks
-5%synergy
Vampiric Tutor
6.3%inclusion1 decks16 decks
-7%synergy
Creatures
Pinnacle Monk
50%inclusion8 decks16 decks
43%synergy
Boggart Trawler
44%inclusion7 decks16 decks
36%synergy
Duplicant
38%inclusion6 decks16 decks
37%synergy
Iron Myr
38%inclusion6 decks16 decks
35%synergy
Mad Auntie
38%inclusion6 decks16 decks
35%synergy
Workhorse
38%inclusion6 decks16 decks
37%synergy
Illuminor Szeras
38%inclusion6 decks16 decks
36%synergy
Clone Shell
38%inclusion6 decks16 decks
37%synergy
Eclipsed Boggart
33%inclusion3 decks9 decks
29%synergy
Ardyn, the Usurper
33%inclusion4 decks12 decks
32%synergy
Cait Sith, Fortune Teller
33%inclusion4 decks12 decks
33%synergy
Zulaport Cutthroat
31%inclusion5 decks16 decks
23%synergy
Blackbloom Rogue
31%inclusion5 decks16 decks
31%synergy
Plaguecrafter
31%inclusion5 decks16 decks
27%synergy
Thermopod
31%inclusion5 decks16 decks
31%synergy
Chainer, Nightmare Adept
31%inclusion5 decks16 decks
24%synergy
Soldevi Adnate
31%inclusion5 decks16 decks
31%synergy
Burnished Hart
31%inclusion5 decks16 decks
27%synergy
Priest of Urabrask
31%inclusion5 decks16 decks
29%synergy
Epitaph Golem
31%inclusion5 decks16 decks
31%synergy
Akoum Warrior
31%inclusion5 decks16 decks
31%synergy
Avatar Roku, Firebender
27%inclusion3 decks11 decks
24%synergy
The Walls of Ba Sing Se
27%inclusion3 decks11 decks
27%synergy
Shriekmaw
25%inclusion4 decks16 decks
23%synergy
Urabrask the Hidden
25%inclusion4 decks16 decks
22%synergy
Warteye Witch
25%inclusion4 decks16 decks
24%synergy
Tesak, Judith's Hellhound
25%inclusion4 decks16 decks
25%synergy
Blood Artist
25%inclusion4 decks16 decks
7%synergy
Woe Strider
25%inclusion4 decks16 decks
23%synergy
Havoc Eater
25%inclusion4 decks16 decks
25%synergy
Ultima, Origin of Oblivion
25%inclusion3 decks12 decks
25%synergy
Goblin Engineer
25%inclusion4 decks16 decks
21%synergy
Vincent Valentine
25%inclusion3 decks12 decks
24%synergy
Pawn of Ulamog
25%inclusion4 decks16 decks
23%synergy
Meteor Golem
25%inclusion4 decks16 decks
23%synergy
Alena, Kessig Trapper
25%inclusion4 decks16 decks
25%synergy
Deathbringer Thoctar
25%inclusion4 decks16 decks
24%synergy
Canal Dredger
25%inclusion4 decks16 decks
25%synergy
Nightmare Shepherd
25%inclusion4 decks16 decks
24%synergy
Neheb, the Eternal
25%inclusion4 decks16 decks
19%synergy
Archfiend of Depravity
25%inclusion4 decks16 decks
21%synergy
Summon: Esper Valigarmanda
25%inclusion3 decks12 decks
25%synergy
Archon of Cruelty
25%inclusion4 decks16 decks
22%synergy
Pitiless Plunderer
25%inclusion4 decks16 decks
12%synergy
Murderous Redcap
25%inclusion4 decks16 decks
21%synergy
Changeling Wayfinder
22%inclusion2 decks9 decks
21%synergy
Sinister Gnarlbark
22%inclusion2 decks9 decks
22%synergy
Twilight Diviner
22%inclusion2 decks9 decks
21%synergy
Hammerhead, Maggia Boss
20%inclusion1 decks5 decks
20%synergy
M.O.D.O.K.
20%inclusion1 decks5 decks
19%synergy
Instants
Valakut Awakening
56%inclusion9 decks16 decks
48%synergy
Fell the Profane
31%inclusion5 decks16 decks
18%synergy
Fire Prophecy
31%inclusion5 decks16 decks
31%synergy
Volcanic Spite
25%inclusion4 decks16 decks
25%synergy
Malakir Rebirth
25%inclusion4 decks16 decks
9%synergy
Dark Ritual
19%inclusion3 decks16 decks
-25%synergy
Village Rites
13%inclusion2 decks16 decks
-3%synergy
Rakdos Charm
13%inclusion2 decks16 decks
-31%synergy
Terminate
13%inclusion2 decks16 decks
-27%synergy
Withering Torment
13%inclusion2 decks16 decks
-9%synergy
Thrill of Possibility
6.3%inclusion1 decks16 decks
-12%synergy
Sheoldred's Edict
6.3%inclusion1 decks16 decks
4%synergy
Magma Jet
6.3%inclusion1 decks16 decks
6%synergy
Imp's Mischief
6.3%inclusion1 decks16 decks
-3%synergy
Not Dead After All
6.3%inclusion1 decks16 decks
-2%synergy
Fanatical Offering
6.3%inclusion1 decks16 decks
4%synergy
Goryo's Vengeance
6.3%inclusion1 decks16 decks
6%synergy
Deadly Dispute
6.3%inclusion1 decks16 decks
-22%synergy
Lose Hope
6.3%inclusion1 decks16 decks
6%synergy
Inordinate Rage
6.3%inclusion1 decks16 decks
6%synergy
Poison the Cup
6.3%inclusion1 decks16 decks
6%synergy
Play with Fire
6.3%inclusion1 decks16 decks
6%synergy
Soul Shatter
6.3%inclusion1 decks16 decks
2%synergy
Eviscerator's Insight
6.3%inclusion1 decks16 decks
4%synergy
Undying Malice
6.3%inclusion1 decks16 decks
-1%synergy
Darkness
6.3%inclusion1 decks16 decks
4%synergy
Coming In Hot
6.3%inclusion1 decks16 decks
6%synergy
Fake Your Own Death
6.3%inclusion1 decks16 decks
-1%synergy
Deflecting Swat
6.3%inclusion1 decks16 decks
-15%synergy
Bedevil
6.3%inclusion1 decks16 decks
-27%synergy
Demon's Due
6.3%inclusion1 decks16 decks
6%synergy
Gravepurge
6.3%inclusion1 decks16 decks
6%synergy
Vona's Hunger
6.3%inclusion1 decks16 decks
6%synergy
Nasty End
6.3%inclusion1 decks16 decks
2%synergy
Abrade
6.3%inclusion1 decks16 decks
-15%synergy
Sorceries
Read the Bones
38%inclusion6 decks16 decks
26%synergy
Blasphemous Act
38%inclusion6 decks16 decks
-14%synergy
Mana Geyser
38%inclusion6 decks16 decks
24%synergy
Sozin's Comet
36%inclusion4 decks11 decks
33%synergy
Bloodsoaked Insight
25%inclusion4 decks16 decks
17%synergy
Into the Fire
25%inclusion4 decks16 decks
24%synergy
Sinister Waltz
19%inclusion3 decks16 decks
17%synergy
Faithless Looting
19%inclusion3 decks16 decks
-9%synergy
Sundering Eruption
19%inclusion3 decks16 decks
14%synergy
Dread Return
13%inclusion2 decks16 decks
8%synergy
Vandalblast
13%inclusion2 decks16 decks
-17%synergy
Toxic Deluge
13%inclusion2 decks16 decks
-5%synergy
Diabolic Intent
6.3%inclusion1 decks16 decks
-2%synergy
Terror Tide
6.3%inclusion1 decks16 decks
6%synergy
Victimize
6.3%inclusion1 decks16 decks
-8%synergy
Profane Tutor
6.3%inclusion1 decks16 decks
4%synergy
Eldritch Pact
6.3%inclusion1 decks16 decks
6%synergy
Irencrag Feat
6.3%inclusion1 decks16 decks
6%synergy
Harsh Scrutiny
6.3%inclusion1 decks16 decks
6%synergy
Feed the Swarm
6.3%inclusion1 decks16 decks
-35%synergy
Doomsday
6.3%inclusion1 decks16 decks
6%synergy
Night's Whisper
6.3%inclusion1 decks16 decks
-14%synergy
Hew the Entwood
6.3%inclusion1 decks16 decks
6%synergy
Blood Price
6.3%inclusion1 decks16 decks
6%synergy
Reanimate
6.3%inclusion1 decks16 decks
-17%synergy
Stomping Slabs
6.3%inclusion1 decks16 decks
6%synergy
Stitch Together
6.3%inclusion1 decks16 decks
5%synergy
Sign in Blood
6.3%inclusion1 decks16 decks
-17%synergy
Beseech the Mirror
6.3%inclusion1 decks16 decks
2%synergy
Macabre Waltz
6.3%inclusion1 decks16 decks
5%synergy
Dreadbore
6.3%inclusion1 decks16 decks
2%synergy
Zof Consumption
6.3%inclusion1 decks16 decks
6%synergy
Bolt of Keranos
6.3%inclusion1 decks16 decks
6%synergy
Throes of Chaos
6.3%inclusion1 decks16 decks
5%synergy
Tormenting Voice
6.3%inclusion1 decks16 decks
3%synergy
Exhume
6.3%inclusion1 decks16 decks
5%synergy
Utility Artifacts
Tel-Jilad Stylus
38%inclusion6 decks16 decks
37%synergy
Planetarium of Wan Shi Tong
36%inclusion4 decks11 decks
36%synergy
Illusionist's Bracers
25%inclusion4 decks16 decks
24%synergy
Teferi's Puzzle Box
25%inclusion4 decks16 decks
24%synergy
Darksteel Pendant
25%inclusion4 decks16 decks
25%synergy
Swiftfoot Boots
25%inclusion4 decks16 decks
-6%synergy
Reito Lantern
25%inclusion4 decks16 decks
25%synergy
Palantír of Orthanc
19%inclusion3 decks16 decks
17%synergy
Mazemind Tome
19%inclusion3 decks16 decks
19%synergy
Lightning Greaves
19%inclusion3 decks16 decks
-16%synergy
Ring of Xathrid
19%inclusion3 decks16 decks
19%synergy
Desecrated Tomb
13%inclusion2 decks16 decks
12%synergy
Crucible of Worlds
13%inclusion2 decks16 decks
12%synergy
Conjurer's Bauble
13%inclusion2 decks16 decks
12%synergy
Sword of Feast and Famine
13%inclusion2 decks16 decks
12%synergy
Jar of Eyeballs
6.3%inclusion1 decks16 decks
6%synergy
Darksteel Axe
6.3%inclusion1 decks16 decks
6%synergy
Mithril Coat
6.3%inclusion1 decks16 decks
2%synergy
Ring of Valkas
6.3%inclusion1 decks16 decks
6%synergy
Whip of Erebos
6.3%inclusion1 decks16 decks
-0%synergy
Skullclamp
6.3%inclusion1 decks16 decks
-4%synergy
Nim Deathmantle
6.3%inclusion1 decks16 decks
6%synergy
Cloak and Dagger
6.3%inclusion1 decks16 decks
6%synergy
Panharmonicon
6.3%inclusion1 decks16 decks
6%synergy
Candy Trail
6.3%inclusion1 decks16 decks
6%synergy
Shadowspear
6.3%inclusion1 decks16 decks
2%synergy
Phyrexian Altar
6.3%inclusion1 decks16 decks
0%synergy
Brass's Tunnel-Grinder
6.3%inclusion1 decks16 decks
3%synergy
Battlemage's Bracers
6.3%inclusion1 decks16 decks
6%synergy
Champion's Helm
6.3%inclusion1 decks16 decks
5%synergy
Goblin Charbelcher
6.3%inclusion1 decks16 decks
6%synergy
Enchantments
Braid of Fire
25%inclusion4 decks16 decks
23%synergy
Teval's Judgment
14%inclusion2 decks14 decks
14%synergy
Thran Vigil
13%inclusion2 decks16 decks
11%synergy
Fires of Invention
13%inclusion2 decks16 decks
12%synergy
Mana Echoes
13%inclusion2 decks16 decks
12%synergy
Mindmoil
13%inclusion2 decks16 decks
12%synergy
Omen of the Dead
6.3%inclusion1 decks16 decks
6%synergy
Dragon Mantle
6.3%inclusion1 decks16 decks
6%synergy
Fists of the Demigod
6.3%inclusion1 decks16 decks
6%synergy
Ripples of Undeath
6.3%inclusion1 decks16 decks
4%synergy
The Cruelty of Gix
6.3%inclusion1 decks16 decks
6%synergy
Agent of the Iron Throne
6.3%inclusion1 decks16 decks
3%synergy
Flameshadow Conjuring
6.3%inclusion1 decks16 decks
4%synergy
Quest for the Necropolis
6.3%inclusion1 decks16 decks
6%synergy
All Will Be One
6.3%inclusion1 decks16 decks
3%synergy
Madcap Skills
6.3%inclusion1 decks16 decks
6%synergy
Necromancy
6.3%inclusion1 decks16 decks
3%synergy
Impact Tremors
6.3%inclusion1 decks16 decks
-5%synergy
Immolation
6.3%inclusion1 decks16 decks
6%synergy
Shadows of the Past
6.3%inclusion1 decks16 decks
6%synergy
Demonic Ruckus
6.3%inclusion1 decks16 decks
6%synergy
The Witch's Vanity
6.3%inclusion1 decks16 decks
6%synergy
Kaya's Ghostform
6.3%inclusion1 decks16 decks
1%synergy
Agent of the Shadow Thieves
6.3%inclusion1 decks16 decks
5%synergy
Animate Dead
6.3%inclusion1 decks16 decks
-3%synergy
One Ring to Rule Them All
6.3%inclusion1 decks16 decks
6%synergy
Demonic Embrace
6.3%inclusion1 decks16 decks
6%synergy
Goblin Bombardment
6.3%inclusion1 decks16 decks
-4%synergy
Planeswalkers
Daretti, Scrap Savant
19%inclusion3 decks16 decks
17%synergy
Utility Lands
Fire Nation Palace
36%inclusion4 decks11 decks
32%synergy
Hanweir Battlements
31%inclusion5 decks16 decks
30%synergy
Bojuka Bog
25%inclusion4 decks16 decks
-11%synergy
Flamekin Village
25%inclusion4 decks16 decks
24%synergy
Buried Ruin
25%inclusion4 decks16 decks
22%synergy
Guildless Commons
25%inclusion4 decks16 decks
25%synergy
High Market
19%inclusion3 decks16 decks
14%synergy
Urborg, Tomb of Yawgmoth
19%inclusion3 decks16 decks
-0%synergy
Molten Slagheap
13%inclusion2 decks16 decks
10%synergy
Isolated Watchtower
13%inclusion2 decks16 decks
12%synergy
Cabal Coffers
13%inclusion2 decks16 decks
3%synergy
Temple of the False God
13%inclusion2 decks16 decks
3%synergy
Multiversal Passage
9.1%inclusion1 decks11 decks
8%synergy
Shizo, Death's Storehouse
6.3%inclusion1 decks16 decks
1%synergy
Miren, the Moaning Well
6.3%inclusion1 decks16 decks
6%synergy
Pit of Offerings
6.3%inclusion1 decks16 decks
6%synergy
Witch's Clinic
6.3%inclusion1 decks16 decks
-2%synergy
Vault of Whispers
6.3%inclusion1 decks16 decks
-0%synergy
Phyrexian Tower
6.3%inclusion1 decks16 decks
-5%synergy
Mortuary Mire
6.3%inclusion1 decks16 decks
1%synergy
Barren Moor
6.3%inclusion1 decks16 decks
2%synergy
Forgotten Cave
6.3%inclusion1 decks16 decks
2%synergy
Urza's Saga
6.3%inclusion1 decks16 decks
0%synergy
Scavenger Grounds
6.3%inclusion1 decks16 decks
4%synergy
Restless Vents
6.3%inclusion1 decks16 decks
2%synergy
Spymaster's Vault
6.3%inclusion1 decks16 decks
3%synergy
Command Beacon
6.3%inclusion1 decks16 decks
-0%synergy
Darksteel Citadel
6.3%inclusion1 decks16 decks
2%synergy
Hidden Volcano
6.3%inclusion1 decks16 decks
5%synergy
Great Hall of the Citadel
6.3%inclusion1 decks16 decks
6%synergy
Drownyard Temple
6.3%inclusion1 decks16 decks
5%synergy
Sokenzan, Crucible of Defiance
6.3%inclusion1 decks16 decks
2%synergy
Rogue's Passage
6.3%inclusion1 decks16 decks
-13%synergy
Great Furnace
6.3%inclusion1 decks16 decks
-0%synergy
Mana Artifacts
Sol Ring
69%inclusion11 decks16 decks
-17%synergy
Arcane Signet
38%inclusion6 decks16 decks
-44%synergy
The Eternity Elevator
27%inclusion3 decks11 decks
27%synergy
Rakdos Signet
25%inclusion4 decks16 decks
-31%synergy
Talisman of Indulgence
19%inclusion3 decks16 decks
-37%synergy
Thran Turbine
19%inclusion3 decks16 decks
18%synergy
Vessel of Endless Rest
13%inclusion2 decks16 decks
12%synergy
The Soul Stone
9.1%inclusion1 decks11 decks
4%synergy
Lantern of Revealing
6.3%inclusion1 decks16 decks
6%synergy
Seer's Lantern
6.3%inclusion1 decks16 decks
6%synergy
Fellwar Stone
6.3%inclusion1 decks16 decks
-27%synergy
Thran Dynamo
6.3%inclusion1 decks16 decks
2%synergy
Victory Chimes
6.3%inclusion1 decks16 decks
6%synergy
Lands
Swamp
100%inclusion16 decks16 decks
2%synergy
Mountain
100%inclusion16 decks16 decks
2%synergy
Command Tower
88%inclusion14 decks16 decks
1%synergy
Dragonskull Summit
88%inclusion14 decks16 decks
23%synergy
Temple of Malice
88%inclusion14 decks16 decks
55%synergy
Sulfurous Springs
69%inclusion11 decks16 decks
20%synergy
Smoldering Marsh
63%inclusion10 decks16 decks
-1%synergy
Crystal Grotto
63%inclusion10 decks16 decks
62%synergy
Blood Crypt
56%inclusion9 decks16 decks
8%synergy
Graven Cairns
56%inclusion9 decks16 decks
24%synergy
Valakut Awakening
56%inclusion9 decks16 decks
48%synergy
The Grey Havens
50%inclusion8 decks16 decks
49%synergy
Pinnacle Monk
50%inclusion8 decks16 decks
43%synergy
Boggart Trawler
44%inclusion7 decks16 decks
36%synergy
Haunted Ridge
44%inclusion7 decks16 decks
7%synergy
Rakdos Carnarium
38%inclusion6 decks16 decks
7%synergy
Shadowblood Ridge
38%inclusion6 decks16 decks
3%synergy
Luxury Suite
38%inclusion6 decks16 decks
-1%synergy
Path of Ancestry
38%inclusion6 decks16 decks
21%synergy
Blightstep Pathway
38%inclusion6 decks16 decks
15%synergy
Raucous Theater
31%inclusion5 decks16 decks
9%synergy
Fell the Profane
31%inclusion5 decks16 decks
18%synergy
Exotic Orchard
31%inclusion5 decks16 decks
0%synergy
Blackbloom Rogue
31%inclusion5 decks16 decks
31%synergy
Foreboding Ruins
31%inclusion5 decks16 decks
-14%synergy
Akoum Warrior
31%inclusion5 decks16 decks
31%synergy
Bloodstained Mire
31%inclusion5 decks16 decks
-2%synergy
Rumble Arena
27%inclusion3 decks11 decks
27%synergy
Malakir Rebirth
25%inclusion4 decks16 decks
9%synergy
Bloodsoaked Insight
25%inclusion4 decks16 decks
17%synergy
Canyon Slough
19%inclusion3 decks16 decks
-1%synergy
Horizon of Progress
19%inclusion3 decks16 decks
18%synergy
Blazemire Verge
19%inclusion3 decks16 decks
-13%synergy
Evolving Wilds
19%inclusion3 decks16 decks
-1%synergy
Tainted Peak
19%inclusion3 decks16 decks
-25%synergy
Sundering Eruption
19%inclusion3 decks16 decks
14%synergy
Escape Tunnel
13%inclusion2 decks16 decks
11%synergy
Terramorphic Expanse
13%inclusion2 decks16 decks
-2%synergy
Mount Doom
13%inclusion2 decks16 decks
-4%synergy
Opal Palace
13%inclusion2 decks16 decks
11%synergy
Eclipsed Realms
11%inclusion1 decks9 decks
9%synergy
Vector, Imperial Capital
8.3%inclusion1 decks12 decks
6%synergy
Fabled Passage
6.3%inclusion1 decks16 decks
-3%synergy
Badlands
6.3%inclusion1 decks16 decks
-7%synergy
Auntie's Hovel
6.3%inclusion1 decks16 decks
4%synergy
Myriad Landscape
6.3%inclusion1 decks16 decks
-10%synergy
Drossforge Bridge
6.3%inclusion1 decks16 decks
0%synergy
Captivating Cave
6.3%inclusion1 decks16 decks
6%synergy
Ash Barrens
6.3%inclusion1 decks16 decks
-1%synergy
Unclaimed Territory
6.3%inclusion1 decks16 decks
3%synergy
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