Grenzo, Dungeon Warden (Commander) - Optimized Sacrifice

Grenzo, Dungeon Warden
Rank #542
4decks
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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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Azog, Moria's Ruin
50%inclusion1 decks2 decks
43%synergy
High Synergy Cards
Hoverstone Pilgrim
100%inclusion4 decks4 decks
99%synergy
Tomb Trawler
100%inclusion4 decks4 decks
99%synergy
Barkform Harvester
100%inclusion4 decks4 decks
99%synergy
Heartstone
100%inclusion4 decks4 decks
98%synergy
Goblin Engineer
100%inclusion4 decks4 decks
96%synergy
Ashnod's Altar
100%inclusion4 decks4 decks
90%synergy
Game Changers
Gamble
25%inclusion1 decks4 decks
15%synergy
Creatures
Skirk Prospector
75%inclusion3 decks4 decks
70%synergy
Ornithopter of Paradise
75%inclusion3 decks4 decks
71%synergy
Siege-Gang Commander
75%inclusion3 decks4 decks
71%synergy
Boggart Trawler
75%inclusion3 decks4 decks
68%synergy
Murderous Redcap
75%inclusion3 decks4 decks
71%synergy
Pitiless Plunderer
75%inclusion3 decks4 decks
62%synergy
Bronze Walrus
75%inclusion3 decks4 decks
75%synergy
Goblin Welder
75%inclusion3 decks4 decks
72%synergy
Meteor Golem
75%inclusion3 decks4 decks
73%synergy
Priest of Gix
75%inclusion3 decks4 decks
73%synergy
Sling-Gang Lieutenant
75%inclusion3 decks4 decks
71%synergy
Marionette Apprentice
75%inclusion3 decks4 decks
66%synergy
Warren Soultrader
75%inclusion3 decks4 decks
67%synergy
Workhorse
75%inclusion3 decks4 decks
74%synergy
Woe Strider
75%inclusion3 decks4 decks
73%synergy
Viscera Seer
75%inclusion3 decks4 decks
66%synergy
Leaden Myr
75%inclusion3 decks4 decks
73%synergy
Priest of Urabrask
75%inclusion3 decks4 decks
73%synergy
Goblin Matron
75%inclusion3 decks4 decks
71%synergy
Palladium Myr
75%inclusion3 decks4 decks
74%synergy
Kiki-Jiki, Mirror Breaker
75%inclusion3 decks4 decks
71%synergy
Solemn Simulacrum
75%inclusion3 decks4 decks
56%synergy
Umbral Collar Zealot
67%inclusion2 decks3 decks
63%synergy
Boggart Harbinger
50%inclusion2 decks4 decks
48%synergy
Imperial Recruiter
50%inclusion2 decks4 decks
46%synergy
Gray Merchant of Asphodel
50%inclusion2 decks4 decks
40%synergy
Blood Artist
50%inclusion2 decks4 decks
32%synergy
Emrakul's Hatcher
50%inclusion2 decks4 decks
50%synergy
Metallic Mimic
50%inclusion2 decks4 decks
48%synergy
Krenko, Mob Boss
50%inclusion2 decks4 decks
45%synergy
Zealous Conscripts
50%inclusion2 decks4 decks
48%synergy
Iron Myr
50%inclusion2 decks4 decks
48%synergy
Sundering Archaic
50%inclusion1 decks2 decks
50%synergy
Eclipsed Boggart
50%inclusion1 decks2 decks
46%synergy
Cathodion
50%inclusion2 decks4 decks
50%synergy
Anger
50%inclusion2 decks4 decks
37%synergy
Duplicant
50%inclusion2 decks4 decks
49%synergy
Epitaph Golem
50%inclusion2 decks4 decks
50%synergy
Threefold Thunderhulk
50%inclusion2 decks4 decks
49%synergy
Pawn of Ulamog
50%inclusion2 decks4 decks
47%synergy
Mogg War Marshal
50%inclusion2 decks4 decks
48%synergy
Zulaport Cutthroat
50%inclusion2 decks4 decks
42%synergy
Hexing Squelcher
33%inclusion1 decks3 decks
19%synergy
Rust Harvester
33%inclusion1 decks3 decks
33%synergy
Weftstalker Ardent
33%inclusion1 decks3 decks
29%synergy
Murderous Rider
25%inclusion1 decks4 decks
24%synergy
Wreck Hunter
25%inclusion1 decks4 decks
25%synergy
Goblin Chainwhirler
25%inclusion1 decks4 decks
24%synergy
Goblin Trashmaster
25%inclusion1 decks4 decks
23%synergy
Phyrexian Dragon Engine
25%inclusion1 decks4 decks
23%synergy
Instants
Dark Ritual
75%inclusion3 decks4 decks
32%synergy
Withering Torment
50%inclusion2 decks4 decks
29%synergy
Fire Covenant
25%inclusion1 decks4 decks
19%synergy
Volcanic Spite
25%inclusion1 decks4 decks
25%synergy
Entomb
25%inclusion1 decks4 decks
18%synergy
Culling the Weak
25%inclusion1 decks4 decks
19%synergy
Seething Song
25%inclusion1 decks4 decks
13%synergy
Tibalt's Trickery
25%inclusion1 decks4 decks
12%synergy
Malakir Rebirth
25%inclusion1 decks4 decks
10%synergy
Deflecting Swat
25%inclusion1 decks4 decks
4%synergy
Red Elemental Blast
25%inclusion1 decks4 decks
16%synergy
Bedevil
25%inclusion1 decks4 decks
-9%synergy
Sorceries
Doomsday
50%inclusion2 decks4 decks
49%synergy
Into the Fire
50%inclusion2 decks4 decks
49%synergy
Diabolic Intent
25%inclusion1 decks4 decks
17%synergy
Unmarked Grave
25%inclusion1 decks4 decks
22%synergy
Victimize
25%inclusion1 decks4 decks
10%synergy
Vandalblast
25%inclusion1 decks4 decks
-5%synergy
Read the Bones
25%inclusion1 decks4 decks
13%synergy
Praetor's Grasp
25%inclusion1 decks4 decks
22%synergy
Buried Alive
25%inclusion1 decks4 decks
20%synergy
Reckless Handling
25%inclusion1 decks4 decks
24%synergy
Utility Artifacts
Tel-Jilad Stylus
75%inclusion3 decks4 decks
74%synergy
The Cauldron of Eternity
75%inclusion3 decks4 decks
74%synergy
Desecrated Tomb
25%inclusion1 decks4 decks
24%synergy
Sword of the Meek
25%inclusion1 decks4 decks
25%synergy
Defense Grid
25%inclusion1 decks4 decks
23%synergy
Nim Deathmantle
25%inclusion1 decks4 decks
24%synergy
Wishclaw Talisman
25%inclusion1 decks4 decks
19%synergy
Phyrexian Altar
25%inclusion1 decks4 decks
19%synergy
Soldevi Digger
25%inclusion1 decks4 decks
25%synergy
Swiftfoot Boots
25%inclusion1 decks4 decks
-6%synergy
Lightning Greaves
25%inclusion1 decks4 decks
-10%synergy
Thornbite Staff
25%inclusion1 decks4 decks
24%synergy
Enchantments
Mana Echoes
50%inclusion2 decks4 decks
49%synergy
Braid of Fire
25%inclusion1 decks4 decks
23%synergy
Utility Lands
Vault of Whispers
50%inclusion2 decks4 decks
44%synergy
Zhalfirin Void
50%inclusion2 decks4 decks
49%synergy
Buried Ruin
50%inclusion2 decks4 decks
47%synergy
Great Furnace
50%inclusion2 decks4 decks
44%synergy
Bojuka Bog
25%inclusion1 decks4 decks
-11%synergy
Phyrexian Tower
25%inclusion1 decks4 decks
14%synergy
Geier Reach Sanitarium
25%inclusion1 decks4 decks
20%synergy
Nykthos, Shrine to Nyx
25%inclusion1 decks4 decks
23%synergy
Goblin Burrows
25%inclusion1 decks4 decks
25%synergy
Drownyard Temple
25%inclusion1 decks4 decks
24%synergy
Three Tree City
25%inclusion1 decks4 decks
22%synergy
Urborg, Tomb of Yawgmoth
25%inclusion1 decks4 decks
6%synergy
Mana Artifacts
Thran Turbine
100%inclusion4 decks4 decks
99%synergy
Sol Ring
75%inclusion3 decks4 decks
-11%synergy
Arcane Signet
50%inclusion2 decks4 decks
-32%synergy
Talisman of Indulgence
50%inclusion2 decks4 decks
-5%synergy
Rakdos Signet
50%inclusion2 decks4 decks
-7%synergy
Lands
Command Tower
100%inclusion4 decks4 decks
14%synergy
Swamp
75%inclusion3 decks4 decks
-23%synergy
Boggart Trawler
75%inclusion3 decks4 decks
68%synergy
Temple of Malice
75%inclusion3 decks4 decks
43%synergy
Mountain
75%inclusion3 decks4 decks
-23%synergy
Raucous Theater
50%inclusion2 decks4 decks
28%synergy
Shadowblood Ridge
50%inclusion2 decks4 decks
15%synergy
Blood Crypt
50%inclusion2 decks4 decks
2%synergy
Dragonskull Summit
50%inclusion2 decks4 decks
-14%synergy
Luxury Suite
50%inclusion2 decks4 decks
12%synergy
Blazemire Verge
50%inclusion2 decks4 decks
19%synergy
Path of Ancestry
50%inclusion2 decks4 decks
34%synergy
Sulfurous Springs
50%inclusion2 decks4 decks
2%synergy
Bloodstained Mire
50%inclusion2 decks4 decks
16%synergy
Eclipsed Realms
50%inclusion1 decks2 decks
48%synergy
Rumble Arena
33%inclusion1 decks3 decks
33%synergy
The Mycosynth Gardens
25%inclusion1 decks4 decks
24%synergy
Rakdos Carnarium
25%inclusion1 decks4 decks
-5%synergy
Badlands
25%inclusion1 decks4 decks
11%synergy
Terramorphic Expanse
25%inclusion1 decks4 decks
10%synergy
Auntie's Hovel
25%inclusion1 decks4 decks
23%synergy
Myriad Landscape
25%inclusion1 decks4 decks
8%synergy
Exotic Orchard
25%inclusion1 decks4 decks
-6%synergy
Blackbloom Rogue
25%inclusion1 decks4 decks
25%synergy
Conduit Pylons
25%inclusion1 decks4 decks
24%synergy
Drossforge Bridge
25%inclusion1 decks4 decks
19%synergy
Graven Cairns
25%inclusion1 decks4 decks
-7%synergy
Riveteers Overlook
25%inclusion1 decks4 decks
23%synergy
Ash Barrens
25%inclusion1 decks4 decks
18%synergy
Unclaimed Territory
25%inclusion1 decks4 decks
22%synergy
Blackcleave Cliffs
25%inclusion1 decks4 decks
5%synergy
Secluded Courtyard
25%inclusion1 decks4 decks
22%synergy
Rocky Tar Pit
25%inclusion1 decks4 decks
23%synergy
Plaza of Heroes
25%inclusion1 decks4 decks
23%synergy
Malakir Rebirth
25%inclusion1 decks4 decks
10%synergy
Evolving Wilds
25%inclusion1 decks4 decks
5%synergy
Guildmages' Forum
25%inclusion1 decks4 decks
25%synergy
Tainted Peak
25%inclusion1 decks4 decks
-18%synergy
Snow-Covered Mountain
25%inclusion1 decks4 decks
22%synergy
Snow-Covered Swamp
25%inclusion1 decks4 decks
22%synergy
Blightstep Pathway
25%inclusion1 decks4 decks
3%synergy
Mirrodin's Core
25%inclusion1 decks4 decks
25%synergy
Study Hall
25%inclusion1 decks4 decks
25%synergy
Polluted Delta
25%inclusion1 decks4 decks
17%synergy
Crystal Grotto
25%inclusion1 decks4 decks
24%synergy
City of Brass
25%inclusion1 decks4 decks
19%synergy
Hall of Tagsin
25%inclusion1 decks4 decks
25%synergy
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