Grenzo, Dungeon Warden (Commander) - Optimized Graveyard

Grenzo, Dungeon Warden
Rank #542
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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Kingpin, Wilson Fisk
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Heartstone
100%inclusion5 decks5 decks
98%synergy
Pawn of Ulamog
100%inclusion5 decks5 decks
97%synergy
Ashnod's Altar
100%inclusion5 decks5 decks
90%synergy
Workhorse
80%inclusion4 decks5 decks
79%synergy
Priest of Urabrask
80%inclusion4 decks5 decks
78%synergy
Priest of Gix
80%inclusion4 decks5 decks
78%synergy
Chainer, Nightmare Adept
80%inclusion4 decks5 decks
72%synergy
Warren Soultrader
80%inclusion4 decks5 decks
72%synergy
Game Changers
Mana Vault
40%inclusion2 decks5 decks
35%synergy
Demonic Tutor
40%inclusion2 decks5 decks
22%synergy
Opposition Agent
20%inclusion1 decks5 decks
15%synergy
Ancient Tomb
20%inclusion1 decks5 decks
11%synergy
Gamble
20%inclusion1 decks5 decks
10%synergy
Orcish Bowmasters
20%inclusion1 decks5 decks
9%synergy
Creatures
Tomb Trawler
60%inclusion3 decks5 decks
59%synergy
Emrakul's Hatcher
60%inclusion3 decks5 decks
60%synergy
Leaden Myr
60%inclusion3 decks5 decks
58%synergy
Imperial Recruiter
60%inclusion3 decks5 decks
56%synergy
Overeager Apprentice
60%inclusion3 decks5 decks
60%synergy
Treasonous Ogre
60%inclusion3 decks5 decks
57%synergy
Primaris Eliminator
60%inclusion3 decks5 decks
60%synergy
Anger
60%inclusion3 decks5 decks
47%synergy
Hoverstone Pilgrim
60%inclusion3 decks5 decks
59%synergy
Meteor Golem
60%inclusion3 decks5 decks
58%synergy
Goblin Engineer
60%inclusion3 decks5 decks
56%synergy
Pitiless Plunderer
60%inclusion3 decks5 decks
47%synergy
Goblin Welder
60%inclusion3 decks5 decks
57%synergy
Gray Merchant of Asphodel
60%inclusion3 decks5 decks
50%synergy
Blood Artist
60%inclusion3 decks5 decks
42%synergy
Zealous Conscripts
60%inclusion3 decks5 decks
58%synergy
Woe Strider
60%inclusion3 decks5 decks
58%synergy
Iron Myr
60%inclusion3 decks5 decks
58%synergy
Barkform Harvester
60%inclusion3 decks5 decks
59%synergy
Siege-Gang Commander
60%inclusion3 decks5 decks
56%synergy
Marionette Master
60%inclusion3 decks5 decks
54%synergy
Boggart Trawler
40%inclusion2 decks5 decks
33%synergy
Varragoth, Bloodsky Sire
40%inclusion2 decks5 decks
37%synergy
Sling-Gang Lieutenant
40%inclusion2 decks5 decks
36%synergy
Goblin Marshal
40%inclusion2 decks5 decks
40%synergy
Skeleton Crew
40%inclusion2 decks5 decks
40%synergy
Goblin Matron
40%inclusion2 decks5 decks
36%synergy
Metallic Mimic
40%inclusion2 decks5 decks
38%synergy
Balthor the Defiled
40%inclusion2 decks5 decks
40%synergy
Impulsive Pilferer
40%inclusion2 decks5 decks
33%synergy
Illuminor Szeras
40%inclusion2 decks5 decks
39%synergy
Beetleback Chief
40%inclusion2 decks5 decks
39%synergy
Murderous Rider
40%inclusion2 decks5 decks
39%synergy
Pinnacle Monk
40%inclusion2 decks5 decks
33%synergy
Goblin Chirurgeon
40%inclusion2 decks5 decks
38%synergy
Soldevi Adnate
40%inclusion2 decks5 decks
39%synergy
Manakin
40%inclusion2 decks5 decks
40%synergy
Skirk Prospector
40%inclusion2 decks5 decks
35%synergy
Skirge Familiar
40%inclusion2 decks5 decks
39%synergy
Threefold Thunderhulk
40%inclusion2 decks5 decks
39%synergy
Reckless Barbarian
40%inclusion2 decks5 decks
37%synergy
Murderous Redcap
40%inclusion2 decks5 decks
36%synergy
Kiki-Jiki, Mirror Breaker
40%inclusion2 decks5 decks
36%synergy
Yawgmoth, Thran Physician
40%inclusion2 decks5 decks
38%synergy
Grave Researcher
33%inclusion1 decks3 decks
31%synergy
South Wind Avatar
33%inclusion1 decks3 decks
33%synergy
Twilight Diviner
33%inclusion1 decks3 decks
32%synergy
Zookeeper Mechan
33%inclusion1 decks3 decks
33%synergy
Umbral Collar Zealot
33%inclusion1 decks3 decks
30%synergy
Weftstalker Ardent
33%inclusion1 decks3 decks
29%synergy
Instants
Dark Ritual
60%inclusion3 decks5 decks
17%synergy
Fell the Profane
40%inclusion2 decks5 decks
27%synergy
Valakut Awakening
40%inclusion2 decks5 decks
32%synergy
Laughing Mad
25%inclusion1 decks4 decks
21%synergy
Deadly Rollick
20%inclusion1 decks5 decks
-2%synergy
Sacrifice
20%inclusion1 decks5 decks
18%synergy
Songs of the Damned
20%inclusion1 decks5 decks
18%synergy
Culling the Weak
20%inclusion1 decks5 decks
14%synergy
Burnt Offering
20%inclusion1 decks5 decks
15%synergy
Fire Prophecy
20%inclusion1 decks5 decks
19%synergy
Electric Revelation
20%inclusion1 decks5 decks
19%synergy
Saw in Half
20%inclusion1 decks5 decks
8%synergy
Sorceries
Diabolic Intent
20%inclusion1 decks5 decks
12%synergy
Dread Return
20%inclusion1 decks5 decks
16%synergy
Faithless Looting
20%inclusion1 decks5 decks
-7%synergy
Agadeem's Awakening
20%inclusion1 decks5 decks
17%synergy
Doomsday
20%inclusion1 decks5 decks
19%synergy
Utility Artifacts
The Cauldron of Eternity
60%inclusion3 decks5 decks
59%synergy
Tel-Jilad Stylus
40%inclusion2 decks5 decks
39%synergy
Illusionist's Bracers
20%inclusion1 decks5 decks
19%synergy
Nim Deathmantle
20%inclusion1 decks5 decks
19%synergy
Cloak and Dagger
20%inclusion1 decks5 decks
20%synergy
Helm of the Host
20%inclusion1 decks5 decks
15%synergy
Phyrexian Altar
20%inclusion1 decks5 decks
14%synergy
Lightning Greaves
20%inclusion1 decks5 decks
-15%synergy
Enchantments
Mana Echoes
60%inclusion3 decks5 decks
59%synergy
Carnival of Souls
40%inclusion2 decks5 decks
40%synergy
Black Market
20%inclusion1 decks5 decks
15%synergy
Molten Echoes
20%inclusion1 decks5 decks
17%synergy
Fires of Invention
20%inclusion1 decks5 decks
20%synergy
The Cruelty of Gix
20%inclusion1 decks5 decks
20%synergy
Funeral Room // Awakening Hall
20%inclusion1 decks5 decks
19%synergy
Goblin Bombardment
20%inclusion1 decks5 decks
10%synergy
Utility Lands
Zhalfirin Void
40%inclusion2 decks5 decks
39%synergy
Phyrexian Tower
40%inclusion2 decks5 decks
29%synergy
Urborg, Tomb of Yawgmoth
40%inclusion2 decks5 decks
21%synergy
Bojuka Bog
20%inclusion1 decks5 decks
-16%synergy
Vault of Whispers
20%inclusion1 decks5 decks
14%synergy
Flamekin Village
20%inclusion1 decks5 decks
19%synergy
Buried Ruin
20%inclusion1 decks5 decks
17%synergy
Urza's Saga
20%inclusion1 decks5 decks
14%synergy
Arena of Glory
20%inclusion1 decks5 decks
11%synergy
Spinerock Knoll
20%inclusion1 decks5 decks
11%synergy
Cabal Coffers
20%inclusion1 decks5 decks
11%synergy
Nykthos, Shrine to Nyx
20%inclusion1 decks5 decks
18%synergy
Inventors' Fair
20%inclusion1 decks5 decks
18%synergy
Castle Embereth
20%inclusion1 decks5 decks
17%synergy
Takenuma, Abandoned Mire
20%inclusion1 decks5 decks
12%synergy
Lake of the Dead
20%inclusion1 decks5 decks
20%synergy
Sokenzan, Crucible of Defiance
20%inclusion1 decks5 decks
16%synergy
Dakmor Salvage
20%inclusion1 decks5 decks
19%synergy
Temple of the False God
20%inclusion1 decks5 decks
10%synergy
Rogue's Passage
20%inclusion1 decks5 decks
0%synergy
Great Furnace
20%inclusion1 decks5 decks
14%synergy
Mana Artifacts
Sol Ring
100%inclusion5 decks5 decks
14%synergy
Arcane Signet
40%inclusion2 decks5 decks
-42%synergy
Talisman of Indulgence
40%inclusion2 decks5 decks
-15%synergy
Rakdos Signet
40%inclusion2 decks5 decks
-17%synergy
Commander's Sphere
20%inclusion1 decks5 decks
5%synergy
Thran Turbine
20%inclusion1 decks5 decks
19%synergy
Vessel of Endless Rest
20%inclusion1 decks5 decks
20%synergy
Lands
Command Tower
100%inclusion5 decks5 decks
14%synergy
Swamp
100%inclusion5 decks5 decks
2%synergy
Mountain
100%inclusion5 decks5 decks
2%synergy
Smoldering Marsh
80%inclusion4 decks5 decks
16%synergy
Blood Crypt
80%inclusion4 decks5 decks
32%synergy
Luxury Suite
80%inclusion4 decks5 decks
42%synergy
Tainted Peak
60%inclusion3 decks5 decks
17%synergy
Bloodstained Mire
60%inclusion3 decks5 decks
26%synergy
Raucous Theater
40%inclusion2 decks5 decks
18%synergy
Fell the Profane
40%inclusion2 decks5 decks
27%synergy
Badlands
40%inclusion2 decks5 decks
26%synergy
Shadowblood Ridge
40%inclusion2 decks5 decks
5%synergy
Unclaimed Territory
40%inclusion2 decks5 decks
37%synergy
Foreboding Ruins
40%inclusion2 decks5 decks
-6%synergy
Dragonskull Summit
40%inclusion2 decks5 decks
-24%synergy
Boggart Trawler
40%inclusion2 decks5 decks
33%synergy
Secluded Courtyard
40%inclusion2 decks5 decks
37%synergy
Temple of Malice
40%inclusion2 decks5 decks
8%synergy
Path of Ancestry
40%inclusion2 decks5 decks
24%synergy
Haunted Ridge
40%inclusion2 decks5 decks
4%synergy
Crystal Grotto
40%inclusion2 decks5 decks
39%synergy
Pinnacle Monk
40%inclusion2 decks5 decks
33%synergy
Sulfurous Springs
40%inclusion2 decks5 decks
-8%synergy
Valakut Awakening
40%inclusion2 decks5 decks
32%synergy
Rumble Arena
33%inclusion1 decks3 decks
33%synergy
Eclipsed Realms
33%inclusion1 decks3 decks
31%synergy
Rakdos Carnarium
20%inclusion1 decks5 decks
-10%synergy
Canyon Slough
20%inclusion1 decks5 decks
0%synergy
Myriad Landscape
20%inclusion1 decks5 decks
3%synergy
Exotic Orchard
20%inclusion1 decks5 decks
-11%synergy
Blackbloom Rogue
20%inclusion1 decks5 decks
20%synergy
Rakdos Guildgate
20%inclusion1 decks5 decks
14%synergy
Graven Cairns
20%inclusion1 decks5 decks
-12%synergy
Agadeem's Awakening
20%inclusion1 decks5 decks
17%synergy
Wooded Foothills
20%inclusion1 decks5 decks
13%synergy
Blazemire Verge
20%inclusion1 decks5 decks
-11%synergy
The Grey Havens
20%inclusion1 decks5 decks
19%synergy
Evolving Wilds
20%inclusion1 decks5 decks
-0%synergy
Gemstone Caverns
20%inclusion1 decks5 decks
15%synergy
Polluted Delta
20%inclusion1 decks5 decks
12%synergy
City of Brass
20%inclusion1 decks5 decks
14%synergy
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