Grenzo, Dungeon Warden (Commander) - Optimized Combo

Grenzo, Dungeon Warden
Rank #547
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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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Sorceries
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Enchantments
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Utility Lands
Mana Artifacts
Lands
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The Great Goblin
15%inclusion2 decks13 decks
13%synergy
Great Fierce Bee
15%inclusion2 decks13 decks
15%synergy
Bolg's Company
15%inclusion2 decks13 decks
8%synergy
Azog, Moria's Ruin
7.7%inclusion1 decks13 decks
1%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
85%inclusion34 decks40 decks
81%synergy
Murderous Redcap
83%inclusion33 decks40 decks
79%synergy
Priest of Urabrask
75%inclusion30 decks40 decks
73%synergy
Priest of Gix
75%inclusion30 decks40 decks
73%synergy
Goblin Engineer
75%inclusion30 decks40 decks
71%synergy
Skirk Prospector
75%inclusion30 decks40 decks
69%synergy
Tomb Trawler
68%inclusion27 decks40 decks
67%synergy
Heartstone
68%inclusion27 decks40 decks
65%synergy
Ashnod's Altar
75%inclusion30 decks40 decks
65%synergy
Workhorse
65%inclusion26 decks40 decks
64%synergy
Top Cards
Barkform Harvester
65%inclusion26 decks40 decks
64%synergy
Sling-Gang Lieutenant
65%inclusion26 decks40 decks
61%synergy
Goblin Matron
65%inclusion26 decks40 decks
61%synergy
Metallic Mimic
63%inclusion25 decks40 decks
60%synergy
Viscera Seer
57%inclusion23 decks40 decks
48%synergy
Pitiless Plunderer
55%inclusion22 decks40 decks
42%synergy
The Cauldron of Eternity
55%inclusion22 decks40 decks
54%synergy
Dark Ritual
53%inclusion21 decks40 decks
9%synergy
Woe Strider
53%inclusion21 decks40 decks
50%synergy
Zealous Conscripts
53%inclusion21 decks40 decks
51%synergy
Game Changers
Demonic Tutor
38%inclusion15 decks40 decks
20%synergy
Ancient Tomb
30%inclusion12 decks40 decks
21%synergy
Gamble
30%inclusion12 decks40 decks
20%synergy
Vampiric Tutor
28%inclusion11 decks40 decks
14%synergy
Chrome Mox
25%inclusion10 decks40 decks
19%synergy
Mana Vault
23%inclusion9 decks40 decks
17%synergy
Jeska's Will
20%inclusion8 decks40 decks
-3%synergy
Orcish Bowmasters
20%inclusion8 decks40 decks
9%synergy
Opposition Agent
15%inclusion6 decks40 decks
10%synergy
Underworld Breach
15%inclusion6 decks40 decks
8%synergy
Creatures
Siege-Gang Commander
53%inclusion21 decks40 decks
49%synergy
Goblin Welder
50%inclusion20 decks40 decks
47%synergy
Boggart Trawler
50%inclusion20 decks40 decks
43%synergy
Zulaport Cutthroat
50%inclusion20 decks40 decks
42%synergy
Pawn of Ulamog
50%inclusion20 decks40 decks
48%synergy
Warren Soultrader
48%inclusion19 decks40 decks
39%synergy
Imperial Recruiter
48%inclusion19 decks40 decks
44%synergy
Leaden Myr
45%inclusion18 decks40 decks
43%synergy
Hoverstone Pilgrim
45%inclusion18 decks40 decks
44%synergy
Krenko, Mob Boss
40%inclusion16 decks40 decks
35%synergy
Meteor Golem
40%inclusion16 decks40 decks
38%synergy
Palladium Myr
40%inclusion16 decks40 decks
39%synergy
Murderous Rider
38%inclusion15 decks40 decks
36%synergy
Goblin Trashmaster
38%inclusion15 decks40 decks
35%synergy
Solemn Simulacrum
38%inclusion15 decks40 decks
19%synergy
Treasonous Ogre
38%inclusion15 decks40 decks
35%synergy
Pinnacle Monk
38%inclusion15 decks40 decks
30%synergy
Iron Myr
38%inclusion15 decks40 decks
35%synergy
Ornithopter of Paradise
35%inclusion14 decks40 decks
31%synergy
Goblin Recruiter
35%inclusion14 decks40 decks
33%synergy
Blood Artist
35%inclusion14 decks40 decks
17%synergy
Duplicant
33%inclusion13 decks40 decks
32%synergy
Emrakul's Hatcher
33%inclusion13 decks40 decks
32%synergy
Conspicuous Snoop
33%inclusion13 decks40 decks
30%synergy
Ravenous Chupacabra
33%inclusion13 decks40 decks
30%synergy
Warteye Witch
30%inclusion12 decks40 decks
29%synergy
Mad Auntie
30%inclusion12 decks40 decks
28%synergy
Bronze Walrus
30%inclusion12 decks40 decks
30%synergy
Gray Merchant of Asphodel
30%inclusion12 decks40 decks
20%synergy
Anger
30%inclusion12 decks40 decks
17%synergy
Epitaph Golem
28%inclusion11 decks40 decks
27%synergy
Chainer, Nightmare Adept
28%inclusion11 decks40 decks
20%synergy
Clone Shell
25%inclusion10 decks40 decks
25%synergy
Goblin Sharpshooter
25%inclusion10 decks40 decks
24%synergy
Simian Spirit Guide
25%inclusion10 decks40 decks
19%synergy
Goblin Warchief
25%inclusion10 decks40 decks
22%synergy
Pashalik Mons
25%inclusion10 decks40 decks
22%synergy
Hexing Squelcher
24%inclusion7 decks29 decks
10%synergy
Goblin Chieftain
23%inclusion9 decks40 decks
20%synergy
Boggart Harbinger
23%inclusion9 decks40 decks
21%synergy
Myr Retriever
23%inclusion9 decks40 decks
21%synergy
Mogg War Marshal
23%inclusion9 decks40 decks
20%synergy
Boggart Cursecrafter
21%inclusion6 decks28 decks
16%synergy
Grim Servant
20%inclusion8 decks40 decks
19%synergy
Munitions Expert
20%inclusion8 decks40 decks
18%synergy
Primaris Eliminator
20%inclusion8 decks40 decks
20%synergy
Overeager Apprentice
20%inclusion8 decks40 decks
20%synergy
Eclipsed Boggart
18%inclusion5 decks28 decks
14%synergy
Twilight Diviner
18%inclusion5 decks28 decks
16%synergy
Treasure Nabber
18%inclusion7 decks40 decks
13%synergy
Instants
Valakut Awakening
40%inclusion16 decks40 decks
32%synergy
Volcanic Spite
25%inclusion10 decks40 decks
25%synergy
Chaos Warp
23%inclusion9 decks40 decks
-24%synergy
Culling the Weak
23%inclusion9 decks40 decks
16%synergy
Deflecting Swat
23%inclusion9 decks40 decks
1%synergy
Red Elemental Blast
23%inclusion9 decks40 decks
14%synergy
Cabal Ritual
20%inclusion8 decks40 decks
12%synergy
Burnt Offering
20%inclusion8 decks40 decks
15%synergy
Deadly Rollick
18%inclusion7 decks40 decks
-5%synergy
Entomb
18%inclusion7 decks40 decks
11%synergy
Pyroblast
18%inclusion7 decks40 decks
9%synergy
Terminate
15%inclusion6 decks40 decks
-25%synergy
Fire Prophecy
15%inclusion6 decks40 decks
14%synergy
Fire Covenant
13%inclusion5 decks40 decks
6%synergy
Fell the Profane
13%inclusion5 decks40 decks
-0%synergy
Thrill of Possibility
13%inclusion5 decks40 decks
-6%synergy
Rakdos Charm
13%inclusion5 decks40 decks
-31%synergy
Bedevil
13%inclusion5 decks40 decks
-21%synergy
Saw in Half
13%inclusion5 decks40 decks
1%synergy
Abrade
13%inclusion5 decks40 decks
-9%synergy
Imp's Mischief
10%inclusion4 decks40 decks
1%synergy
Seething Song
10%inclusion4 decks40 decks
-3%synergy
Ad Nauseam
10%inclusion4 decks40 decks
8%synergy
Malakir Rebirth
10%inclusion4 decks40 decks
-6%synergy
Flare of Duplication
10%inclusion4 decks40 decks
5%synergy
Redirect Lightning
8.8%inclusion3 decks34 decks
-2%synergy
Hagra Mauling
7.5%inclusion3 decks40 decks
5%synergy
Desperate Ritual
7.5%inclusion3 decks40 decks
3%synergy
Tibalt's Trickery
7.5%inclusion3 decks40 decks
-5%synergy
Rain of Filth
7.5%inclusion3 decks40 decks
7%synergy
Plunge into Darkness
5.0%inclusion2 decks40 decks
4%synergy
Brightstone Ritual
5.0%inclusion2 decks40 decks
3%synergy
Untimely Malfunction
5.0%inclusion2 decks40 decks
-14%synergy
Return the Favor
5.0%inclusion2 decks40 decks
-3%synergy
Snuff Out
5.0%inclusion2 decks40 decks
0%synergy
Village Rites
5.0%inclusion2 decks40 decks
-10%synergy
Lightning Bolt
5.0%inclusion2 decks40 decks
-14%synergy
Deadly Dispute
5.0%inclusion2 decks40 decks
-23%synergy
Pyretic Ritual
5.0%inclusion2 decks40 decks
-1%synergy
First Day of Class
5.0%inclusion2 decks40 decks
4%synergy
Withering Torment
5.0%inclusion2 decks40 decks
-16%synergy
Sorceries
Doomsday
53%inclusion21 decks40 decks
52%synergy
Faithless Looting
20%inclusion8 decks40 decks
-7%synergy
Read the Bones
20%inclusion8 decks40 decks
8%synergy
Into the Fire
20%inclusion8 decks40 decks
19%synergy
Feed the Swarm
18%inclusion7 decks40 decks
-23%synergy
Victimize
15%inclusion6 decks40 decks
0%synergy
Dread Return
15%inclusion6 decks40 decks
11%synergy
Blasphemous Act
15%inclusion6 decks40 decks
-36%synergy
Rite of Flame
15%inclusion6 decks40 decks
10%synergy
Grim Tutor
15%inclusion6 decks40 decks
11%synergy
Diabolic Intent
13%inclusion5 decks40 decks
4%synergy
Imperial Seal
13%inclusion5 decks40 decks
8%synergy
Buried Alive
13%inclusion5 decks40 decks
8%synergy
Reanimate
13%inclusion5 decks40 decks
-11%synergy
Toxic Deluge
13%inclusion5 decks40 decks
-5%synergy
Agadeem's Awakening
10%inclusion4 decks40 decks
7%synergy
Twinflame
10%inclusion4 decks40 decks
4%synergy
Insatiable Avarice
10%inclusion4 decks40 decks
6%synergy
Sundering Eruption
10%inclusion4 decks40 decks
5%synergy
Lively Dirge
7.5%inclusion3 decks40 decks
5%synergy
Infernal Plunge
7.5%inclusion3 decks40 decks
5%synergy
Diabolic Tutor
7.5%inclusion3 decks40 decks
2%synergy
Yawgmoth's Will
7.5%inclusion3 decks40 decks
6%synergy
Vandalblast
7.5%inclusion3 decks40 decks
-22%synergy
Praetor's Grasp
7.5%inclusion3 decks40 decks
5%synergy
Beseech the Mirror
7.5%inclusion3 decks40 decks
4%synergy
Cruel Tutor
7.5%inclusion3 decks40 decks
7%synergy
Grub's Command
6.9%inclusion2 decks29 decks
4%synergy
Unmarked Grave
5.0%inclusion2 decks40 decks
3%synergy
Peer into the Abyss
5.0%inclusion2 decks40 decks
2%synergy
Patriarch's Bidding
5.0%inclusion2 decks40 decks
2%synergy
Profane Tutor
5.0%inclusion2 decks40 decks
3%synergy
Duress
5.0%inclusion2 decks40 decks
4%synergy
Scheming Symmetry
5.0%inclusion2 decks40 decks
3%synergy
Living Death
5.0%inclusion2 decks40 decks
1%synergy
Wheel of Fortune
5.0%inclusion2 decks40 decks
-1%synergy
Overmaster
5.0%inclusion2 decks40 decks
3%synergy
Dimir Machinations
5.0%inclusion2 decks40 decks
5%synergy
Utility Artifacts
Tel-Jilad Stylus
45%inclusion18 decks40 decks
44%synergy
Phyrexian Altar
28%inclusion11 decks40 decks
22%synergy
Teferi's Puzzle Box
23%inclusion9 decks40 decks
22%synergy
Skullclamp
23%inclusion9 decks40 decks
12%synergy
Lightning Greaves
23%inclusion9 decks40 decks
-12%synergy
Desecrated Tomb
18%inclusion7 decks40 decks
17%synergy
Wishclaw Talisman
18%inclusion7 decks40 decks
11%synergy
Soldevi Digger
18%inclusion7 decks40 decks
17%synergy
Defense Grid
15%inclusion6 decks40 decks
13%synergy
Nim Deathmantle
15%inclusion6 decks40 decks
14%synergy
Crystal Ball
15%inclusion6 decks40 decks
15%synergy
Thornbite Staff
15%inclusion6 decks40 decks
14%synergy
Cloak and Dagger
13%inclusion5 decks40 decks
12%synergy
Swiftfoot Boots
13%inclusion5 decks40 decks
-19%synergy
Reito Lantern
13%inclusion5 decks40 decks
12%synergy
Illusionist's Bracers
10%inclusion4 decks40 decks
9%synergy
Goblin Charbelcher
10%inclusion4 decks40 decks
10%synergy
Sensei's Divining Top
7.5%inclusion3 decks40 decks
2%synergy
The One Ring
7.5%inclusion3 decks40 decks
-0%synergy
Darksteel Pendant
7.5%inclusion3 decks40 decks
7%synergy
Palantír of Orthanc
7.5%inclusion3 decks40 decks
6%synergy
Grinding Station
5.0%inclusion2 decks40 decks
3%synergy
Genesis Chamber
5.0%inclusion2 decks40 decks
4%synergy
Bolas's Citadel
5.0%inclusion2 decks40 decks
-5%synergy
Conjurer's Bauble
5.0%inclusion2 decks40 decks
5%synergy
Scroll Rack
5.0%inclusion2 decks40 decks
4%synergy
Krark-Clan Ironworks
5.0%inclusion2 decks40 decks
4%synergy
Mazemind Tome
5.0%inclusion2 decks40 decks
5%synergy
Agatha's Soul Cauldron
5.0%inclusion2 decks40 decks
3%synergy
Altar of Dementia
5.0%inclusion2 decks40 decks
3%synergy
Basilisk Collar
5.0%inclusion2 decks40 decks
-6%synergy
Enchantments
Goblin Bombardment
33%inclusion13 decks40 decks
22%synergy
Mana Echoes
18%inclusion7 decks40 decks
17%synergy
Braid of Fire
15%inclusion6 decks40 decks
13%synergy
Animate Dead
13%inclusion5 decks40 decks
4%synergy
Necropotence
10%inclusion4 decks40 decks
5%synergy
Boggart Mischief
6.9%inclusion2 decks29 decks
1%synergy
Molten Echoes
5.0%inclusion2 decks40 decks
2%synergy
Ripples of Undeath
5.0%inclusion2 decks40 decks
2%synergy
Mindmoil
5.0%inclusion2 decks40 decks
5%synergy
Impact Tremors
5.0%inclusion2 decks40 decks
-6%synergy
Shared Animosity
5.0%inclusion2 decks40 decks
2%synergy
Shadows of the Past
5.0%inclusion2 decks40 decks
5%synergy
Chthonian Nightmare
5.0%inclusion2 decks40 decks
3%synergy
Phyrexian Arena
5.0%inclusion2 decks40 decks
-18%synergy
Planeswalkers
Daretti, Scrap Savant
7.5%inclusion3 decks40 decks
5%synergy
Utility Lands
Vault of Whispers
38%inclusion15 decks40 decks
31%synergy
Buried Ruin
38%inclusion15 decks40 decks
34%synergy
Great Furnace
35%inclusion14 decks40 decks
28%synergy
Zhalfirin Void
33%inclusion13 decks40 decks
31%synergy
Phyrexian Tower
28%inclusion11 decks40 decks
17%synergy
Bojuka Bog
25%inclusion10 decks40 decks
-11%synergy
Urborg, Tomb of Yawgmoth
25%inclusion10 decks40 decks
6%synergy
Three Tree City
18%inclusion7 decks40 decks
14%synergy
Urza's Saga
15%inclusion6 decks40 decks
9%synergy
Takenuma, Abandoned Mire
15%inclusion6 decks40 decks
7%synergy
Inventors' Fair
13%inclusion5 decks40 decks
11%synergy
Spinerock Knoll
10%inclusion4 decks40 decks
1%synergy
Nykthos, Shrine to Nyx
10%inclusion4 decks40 decks
8%synergy
Isolated Watchtower
7.5%inclusion3 decks40 decks
7%synergy
Drownyard Temple
7.5%inclusion3 decks40 decks
6%synergy
Homeward Path
7.5%inclusion3 decks40 decks
6%synergy
Multiversal Passage
5.4%inclusion2 decks37 decks
4%synergy
Barren Moor
5.0%inclusion2 decks40 decks
1%synergy
Crystal Vein
5.0%inclusion2 decks40 decks
4%synergy
Cabal Coffers
5.0%inclusion2 decks40 decks
-4%synergy
High Market
5.0%inclusion2 decks40 decks
1%synergy
Castle Embereth
5.0%inclusion2 decks40 decks
2%synergy
Peat Bog
5.0%inclusion2 decks40 decks
4%synergy
Castle Locthwain
5.0%inclusion2 decks40 decks
-1%synergy
Sokenzan, Crucible of Defiance
5.0%inclusion2 decks40 decks
1%synergy
Strip Mine
5.0%inclusion2 decks40 decks
4%synergy
City of Traitors
5.0%inclusion2 decks40 decks
3%synergy
Den of the Bugbear
5.0%inclusion2 decks40 decks
3%synergy
Field of Ruin
5.0%inclusion2 decks40 decks
4%synergy
Mana Artifacts
Sol Ring
88%inclusion35 decks40 decks
2%synergy
Arcane Signet
57%inclusion23 decks40 decks
-24%synergy
Rakdos Signet
50%inclusion20 decks40 decks
-6%synergy
Talisman of Indulgence
45%inclusion18 decks40 decks
-10%synergy
Thran Turbine
38%inclusion15 decks40 decks
37%synergy
Lotus Petal
25%inclusion10 decks40 decks
17%synergy
Fellwar Stone
20%inclusion8 decks40 decks
-13%synergy
Mox Amber
15%inclusion6 decks40 decks
11%synergy
Mox Opal
15%inclusion6 decks40 decks
11%synergy
Mind Stone
10%inclusion4 decks40 decks
-17%synergy
Grim Monolith
7.5%inclusion3 decks40 decks
6%synergy
Cursed Mirror
7.5%inclusion3 decks40 decks
-4%synergy
Vessel of Endless Rest
7.5%inclusion3 decks40 decks
7%synergy
Mox Diamond
7.5%inclusion3 decks40 decks
4%synergy
Springleaf Drum
5.0%inclusion2 decks40 decks
3%synergy
Lands
Swamp
98%inclusion39 decks40 decks
-0%synergy
Command Tower
95%inclusion38 decks40 decks
9%synergy
Mountain
95%inclusion38 decks40 decks
-3%synergy
Dragonskull Summit
70%inclusion28 decks40 decks
5%synergy
Blood Crypt
68%inclusion27 decks40 decks
19%synergy
Sulfurous Springs
63%inclusion25 decks40 decks
14%synergy
Bloodstained Mire
55%inclusion22 decks40 decks
21%synergy
Graven Cairns
50%inclusion20 decks40 decks
18%synergy
Boggart Trawler
50%inclusion20 decks40 decks
43%synergy
Temple of Malice
50%inclusion20 decks40 decks
18%synergy
Luxury Suite
48%inclusion19 decks40 decks
9%synergy
Smoldering Marsh
45%inclusion18 decks40 decks
-19%synergy
Path of Ancestry
45%inclusion18 decks40 decks
28%synergy
Shadowblood Ridge
43%inclusion17 decks40 decks
8%synergy
Crystal Grotto
40%inclusion16 decks40 decks
39%synergy
Valakut Awakening
40%inclusion16 decks40 decks
32%synergy
Blazemire Verge
38%inclusion15 decks40 decks
6%synergy
Pinnacle Monk
38%inclusion15 decks40 decks
30%synergy
Blightstep Pathway
35%inclusion14 decks40 decks
13%synergy
Exotic Orchard
33%inclusion13 decks40 decks
2%synergy
Haunted Ridge
33%inclusion13 decks40 decks
-4%synergy
Raucous Theater
30%inclusion12 decks40 decks
8%synergy
Tainted Peak
28%inclusion11 decks40 decks
-16%synergy
Blackcleave Cliffs
23%inclusion9 decks40 decks
2%synergy
Cavern of Souls
23%inclusion9 decks40 decks
17%synergy
The Grey Havens
23%inclusion9 decks40 decks
22%synergy
Badlands
20%inclusion8 decks40 decks
6%synergy
Auntie's Hovel
20%inclusion8 decks40 decks
18%synergy
Foreboding Ruins
20%inclusion8 decks40 decks
-26%synergy
Opal Palace
20%inclusion8 decks40 decks
19%synergy
Polluted Delta
20%inclusion8 decks40 decks
12%synergy
Rumble Arena
16%inclusion5 decks31 decks
16%synergy
Myriad Landscape
15%inclusion6 decks40 decks
-1%synergy
Mount Doom
15%inclusion6 decks40 decks
-1%synergy
Gemstone Caverns
15%inclusion6 decks40 decks
10%synergy
Scalding Tarn
15%inclusion6 decks40 decks
8%synergy
Marsh Flats
15%inclusion6 decks40 decks
7%synergy
City of Brass
15%inclusion6 decks40 decks
8%synergy
Fell the Profane
13%inclusion5 decks40 decks
-0%synergy
Rakdos Carnarium
13%inclusion5 decks40 decks
-17%synergy
Blackbloom Rogue
13%inclusion5 decks40 decks
12%synergy
Secluded Courtyard
13%inclusion5 decks40 decks
10%synergy
Arid Mesa
13%inclusion5 decks40 decks
4%synergy
Canyon Slough
10%inclusion4 decks40 decks
-9%synergy
Agadeem's Awakening
10%inclusion4 decks40 decks
7%synergy
Wooded Foothills
10%inclusion4 decks40 decks
3%synergy
Plaza of Heroes
10%inclusion4 decks40 decks
8%synergy
Malakir Rebirth
10%inclusion4 decks40 decks
-6%synergy
Evolving Wilds
10%inclusion4 decks40 decks
-10%synergy
Sundering Eruption
10%inclusion4 decks40 decks
5%synergy
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