Grenzo, Dungeon Warden (Commander) - Optimized Graveyard

Grenzo, Dungeon Warden
Rank #544
6decks
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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
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Heartstone
100%inclusion6 decks6 decks
98%synergy
Pawn of Ulamog
100%inclusion6 decks6 decks
98%synergy
Ashnod's Altar
100%inclusion6 decks6 decks
90%synergy
Workhorse
83%inclusion5 decks6 decks
83%synergy
Barkform Harvester
83%inclusion5 decks6 decks
82%synergy
Priest of Urabrask
83%inclusion5 decks6 decks
81%synergy
Priest of Gix
83%inclusion5 decks6 decks
81%synergy
Warren Soultrader
83%inclusion5 decks6 decks
75%synergy
Emrakul's Hatcher
67%inclusion4 decks6 decks
66%synergy
Tomb Trawler
67%inclusion4 decks6 decks
66%synergy
Top Cards
Dark Ritual
83%inclusion5 decks6 decks
40%synergy
Chainer, Nightmare Adept
67%inclusion4 decks6 decks
59%synergy
Zealous Conscripts
67%inclusion4 decks6 decks
65%synergy
Blood Artist
67%inclusion4 decks6 decks
48%synergy
Woe Strider
67%inclusion4 decks6 decks
64%synergy
Iron Myr
67%inclusion4 decks6 decks
65%synergy
Treasonous Ogre
67%inclusion4 decks6 decks
64%synergy
Goblin Welder
67%inclusion4 decks6 decks
64%synergy
The Cauldron of Eternity
67%inclusion4 decks6 decks
66%synergy
Pitiless Plunderer
67%inclusion4 decks6 decks
54%synergy
Game Changers
Mana Vault
33%inclusion2 decks6 decks
28%synergy
Demonic Tutor
33%inclusion2 decks6 decks
16%synergy
Opposition Agent
17%inclusion1 decks6 decks
12%synergy
Ancient Tomb
17%inclusion1 decks6 decks
7%synergy
Gamble
17%inclusion1 decks6 decks
7%synergy
Orcish Bowmasters
17%inclusion1 decks6 decks
6%synergy
Creatures
Siege-Gang Commander
67%inclusion4 decks6 decks
63%synergy
Leaden Myr
67%inclusion4 decks6 decks
65%synergy
Anger
67%inclusion4 decks6 decks
54%synergy
Sling-Gang Lieutenant
50%inclusion3 decks6 decks
46%synergy
Kiki-Jiki, Mirror Breaker
50%inclusion3 decks6 decks
46%synergy
Meteor Golem
50%inclusion3 decks6 decks
48%synergy
Goblin Engineer
50%inclusion3 decks6 decks
46%synergy
Balthor the Defiled
50%inclusion3 decks6 decks
50%synergy
Marionette Master
50%inclusion3 decks6 decks
44%synergy
Primaris Eliminator
50%inclusion3 decks6 decks
50%synergy
Overeager Apprentice
50%inclusion3 decks6 decks
50%synergy
Murderous Redcap
50%inclusion3 decks6 decks
46%synergy
Threefold Thunderhulk
50%inclusion3 decks6 decks
49%synergy
Metallic Mimic
50%inclusion3 decks6 decks
47%synergy
Skirk Prospector
50%inclusion3 decks6 decks
45%synergy
Imperial Recruiter
50%inclusion3 decks6 decks
46%synergy
Grim Servant
50%inclusion3 decks6 decks
49%synergy
Boggart Trawler
50%inclusion3 decks6 decks
43%synergy
Hoverstone Pilgrim
50%inclusion3 decks6 decks
49%synergy
Murderous Rider
50%inclusion3 decks6 decks
49%synergy
Gray Merchant of Asphodel
33%inclusion2 decks6 decks
23%synergy
Morbid Opportunist
33%inclusion2 decks6 decks
18%synergy
Skeleton Crew
33%inclusion2 decks6 decks
33%synergy
Deathbringer Thoctar
33%inclusion2 decks6 decks
33%synergy
Goblin Matron
33%inclusion2 decks6 decks
30%synergy
Beetleback Chief
33%inclusion2 decks6 decks
32%synergy
Pinnacle Monk
33%inclusion2 decks6 decks
26%synergy
Goblin Chirurgeon
33%inclusion2 decks6 decks
31%synergy
Illuminor Szeras
33%inclusion2 decks6 decks
32%synergy
Ardent Electromancer
33%inclusion2 decks6 decks
33%synergy
Furystoke Giant
33%inclusion2 decks6 decks
33%synergy
Manakin
33%inclusion2 decks6 decks
33%synergy
Myr Retriever
33%inclusion2 decks6 decks
32%synergy
Judith, the Scourge Diva
33%inclusion2 decks6 decks
30%synergy
Mad Auntie
33%inclusion2 decks6 decks
31%synergy
Reckless Barbarian
33%inclusion2 decks6 decks
31%synergy
Yawgmoth, Thran Physician
33%inclusion2 decks6 decks
31%synergy
Junk Diver
33%inclusion2 decks6 decks
32%synergy
Clone Shell
33%inclusion2 decks6 decks
33%synergy
Impulsive Pilferer
33%inclusion2 decks6 decks
26%synergy
Palladium Myr
33%inclusion2 decks6 decks
32%synergy
Skirge Familiar
33%inclusion2 decks6 decks
33%synergy
Zulaport Cutthroat
33%inclusion2 decks6 decks
25%synergy
Varragoth, Bloodsky Sire
33%inclusion2 decks6 decks
30%synergy
Krenko, Mob Boss
33%inclusion2 decks6 decks
28%synergy
Soldevi Adnate
33%inclusion2 decks6 decks
33%synergy
Goblin Marshal
33%inclusion2 decks6 decks
33%synergy
Moggcatcher
33%inclusion2 decks6 decks
33%synergy
Sengir Autocrat
33%inclusion2 decks6 decks
33%synergy
Solemn Simulacrum
33%inclusion2 decks6 decks
15%synergy
Instants
Fell the Profane
33%inclusion2 decks6 decks
20%synergy
Valakut Awakening
33%inclusion2 decks6 decks
25%synergy
Laughing Mad
20%inclusion1 decks5 decks
16%synergy
Deadly Rollick
17%inclusion1 decks6 decks
-6%synergy
Rakdos Charm
17%inclusion1 decks6 decks
-27%synergy
Culling the Weak
17%inclusion1 decks6 decks
10%synergy
Burnt Offering
17%inclusion1 decks6 decks
11%synergy
Fire Prophecy
17%inclusion1 decks6 decks
16%synergy
Electric Revelation
17%inclusion1 decks6 decks
16%synergy
Saw in Half
17%inclusion1 decks6 decks
5%synergy
Sorceries
Dread Return
17%inclusion1 decks6 decks
12%synergy
Faithless Looting
17%inclusion1 decks6 decks
-11%synergy
Agadeem's Awakening
17%inclusion1 decks6 decks
13%synergy
Doomsday
17%inclusion1 decks6 decks
16%synergy
Utility Artifacts
Cloak and Dagger
33%inclusion2 decks6 decks
33%synergy
Tel-Jilad Stylus
33%inclusion2 decks6 decks
33%synergy
Desecrated Tomb
17%inclusion1 decks6 decks
16%synergy
Illusionist's Bracers
17%inclusion1 decks6 decks
16%synergy
Nim Deathmantle
17%inclusion1 decks6 decks
16%synergy
Helm of the Host
17%inclusion1 decks6 decks
12%synergy
Phyrexian Altar
17%inclusion1 decks6 decks
11%synergy
Goblin Charbelcher
17%inclusion1 decks6 decks
16%synergy
Lightning Greaves
17%inclusion1 decks6 decks
-18%synergy
Enchantments
Mana Echoes
33%inclusion2 decks6 decks
33%synergy
Carnival of Souls
33%inclusion2 decks6 decks
33%synergy
Black Market
17%inclusion1 decks6 decks
12%synergy
Molten Echoes
17%inclusion1 decks6 decks
14%synergy
Fires of Invention
17%inclusion1 decks6 decks
17%synergy
The Cruelty of Gix
17%inclusion1 decks6 decks
16%synergy
Funeral Room // Awakening Hall
17%inclusion1 decks6 decks
16%synergy
Goblin Bombardment
17%inclusion1 decks6 decks
6%synergy
Utility Lands
Bojuka Bog
33%inclusion2 decks6 decks
-2%synergy
Vault of Whispers
33%inclusion2 decks6 decks
27%synergy
Zhalfirin Void
33%inclusion2 decks6 decks
32%synergy
Phyrexian Tower
33%inclusion2 decks6 decks
23%synergy
Urborg, Tomb of Yawgmoth
33%inclusion2 decks6 decks
15%synergy
Barren Moor
17%inclusion1 decks6 decks
12%synergy
Flamekin Village
17%inclusion1 decks6 decks
16%synergy
Buried Ruin
17%inclusion1 decks6 decks
13%synergy
Urza's Saga
17%inclusion1 decks6 decks
10%synergy
Arena of Glory
17%inclusion1 decks6 decks
8%synergy
Spinerock Knoll
17%inclusion1 decks6 decks
8%synergy
Cabal Coffers
17%inclusion1 decks6 decks
7%synergy
Nykthos, Shrine to Nyx
17%inclusion1 decks6 decks
15%synergy
Inventors' Fair
17%inclusion1 decks6 decks
15%synergy
Castle Embereth
17%inclusion1 decks6 decks
14%synergy
Takenuma, Abandoned Mire
17%inclusion1 decks6 decks
8%synergy
Lake of the Dead
17%inclusion1 decks6 decks
16%synergy
Sokenzan, Crucible of Defiance
17%inclusion1 decks6 decks
13%synergy
Dakmor Salvage
17%inclusion1 decks6 decks
16%synergy
Temple of the False God
17%inclusion1 decks6 decks
7%synergy
Rogue's Passage
17%inclusion1 decks6 decks
-3%synergy
Great Furnace
17%inclusion1 decks6 decks
10%synergy
Mana Artifacts
Sol Ring
100%inclusion6 decks6 decks
14%synergy
Arcane Signet
50%inclusion3 decks6 decks
-32%synergy
Talisman of Indulgence
33%inclusion2 decks6 decks
-22%synergy
Rakdos Signet
33%inclusion2 decks6 decks
-23%synergy
Thran Turbine
33%inclusion2 decks6 decks
33%synergy
Commander's Sphere
17%inclusion1 decks6 decks
2%synergy
Vessel of Endless Rest
17%inclusion1 decks6 decks
16%synergy
Lands
Command Tower
100%inclusion6 decks6 decks
14%synergy
Swamp
100%inclusion6 decks6 decks
2%synergy
Mountain
100%inclusion6 decks6 decks
2%synergy
Smoldering Marsh
83%inclusion5 decks6 decks
20%synergy
Blood Crypt
83%inclusion5 decks6 decks
35%synergy
Luxury Suite
83%inclusion5 decks6 decks
45%synergy
Crystal Grotto
67%inclusion4 decks6 decks
66%synergy
Bloodstained Mire
67%inclusion4 decks6 decks
33%synergy
Raucous Theater
50%inclusion3 decks6 decks
28%synergy
Shadowblood Ridge
50%inclusion3 decks6 decks
15%synergy
Dragonskull Summit
50%inclusion3 decks6 decks
-15%synergy
Boggart Trawler
50%inclusion3 decks6 decks
43%synergy
Temple of Malice
50%inclusion3 decks6 decks
18%synergy
Haunted Ridge
50%inclusion3 decks6 decks
14%synergy
Fell the Profane
33%inclusion2 decks6 decks
20%synergy
Rakdos Carnarium
33%inclusion2 decks6 decks
3%synergy
Badlands
33%inclusion2 decks6 decks
20%synergy
Exotic Orchard
33%inclusion2 decks6 decks
2%synergy
Unclaimed Territory
33%inclusion2 decks6 decks
30%synergy
Foreboding Ruins
33%inclusion2 decks6 decks
-12%synergy
Secluded Courtyard
33%inclusion2 decks6 decks
31%synergy
Tainted Peak
33%inclusion2 decks6 decks
-10%synergy
Path of Ancestry
33%inclusion2 decks6 decks
17%synergy
Pinnacle Monk
33%inclusion2 decks6 decks
26%synergy
Sulfurous Springs
33%inclusion2 decks6 decks
-15%synergy
Valakut Awakening
33%inclusion2 decks6 decks
25%synergy
Rumble Arena
25%inclusion1 decks4 decks
25%synergy
Eclipsed Realms
25%inclusion1 decks4 decks
23%synergy
Prismatic Vista
17%inclusion1 decks6 decks
11%synergy
Canyon Slough
17%inclusion1 decks6 decks
-3%synergy
Myriad Landscape
17%inclusion1 decks6 decks
0%synergy
Blackbloom Rogue
17%inclusion1 decks6 decks
16%synergy
Rakdos Guildgate
17%inclusion1 decks6 decks
10%synergy
Drossforge Bridge
17%inclusion1 decks6 decks
11%synergy
Graven Cairns
17%inclusion1 decks6 decks
-16%synergy
Agadeem's Awakening
17%inclusion1 decks6 decks
13%synergy
Blackcleave Cliffs
17%inclusion1 decks6 decks
-4%synergy
Wooded Foothills
17%inclusion1 decks6 decks
10%synergy
Blazemire Verge
17%inclusion1 decks6 decks
-15%synergy
The Grey Havens
17%inclusion1 decks6 decks
16%synergy
Evolving Wilds
17%inclusion1 decks6 decks
-4%synergy
Opal Palace
17%inclusion1 decks6 decks
15%synergy
Gemstone Caverns
17%inclusion1 decks6 decks
12%synergy
Polluted Delta
17%inclusion1 decks6 decks
9%synergy
City of Brass
17%inclusion1 decks6 decks
10%synergy
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