Grenzo, Dungeon Warden (Commander) - Optimized

Grenzo, Dungeon Warden
Rank #552
192decks
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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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Top Cards
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Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Blazing Firesinger
11%inclusion2 decks19 decks
10%synergy
Big Mother Mouser
5.4%inclusion3 decks56 decks
5%synergy
Sundering Archaic
5.0%inclusion1 decks20 decks
5%synergy
Raphael, Tough Turtle
3.6%inclusion2 decks56 decks
3%synergy
Manhole Missile
3.6%inclusion2 decks56 decks
3%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
76%inclusion145 decks192 decks
71%synergy
Murderous Redcap
73%inclusion140 decks192 decks
69%synergy
Skirk Prospector
73%inclusion141 decks192 decks
69%synergy
Heartstone
67%inclusion128 decks192 decks
65%synergy
Priest of Urabrask
66%inclusion126 decks192 decks
64%synergy
Ashnod's Altar
73%inclusion141 decks192 decks
63%synergy
Sling-Gang Lieutenant
66%inclusion126 decks192 decks
63%synergy
Workhorse
63%inclusion121 decks192 decks
62%synergy
Priest of Gix
61%inclusion117 decks192 decks
59%synergy
Goblin Matron
61%inclusion117 decks192 decks
58%synergy
Top Cards
Viscera Seer
63%inclusion121 decks192 decks
54%synergy
Siege-Gang Commander
61%inclusion117 decks192 decks
58%synergy
Barkform Harvester
57%inclusion109 decks192 decks
56%synergy
Pitiless Plunderer
56%inclusion108 decks192 decks
44%synergy
The Cauldron of Eternity
56%inclusion108 decks192 decks
55%synergy
Goblin Engineer
54%inclusion104 decks192 decks
50%synergy
Metallic Mimic
54%inclusion103 decks192 decks
52%synergy
Tomb Trawler
53%inclusion102 decks192 decks
52%synergy
Tel-Jilad Stylus
52%inclusion100 decks192 decks
51%synergy
Goblin Welder
47%inclusion90 decks192 decks
44%synergy
Game Changers
Demonic Tutor
42%inclusion80 decks192 decks
24%synergy
Ancient Tomb
37%inclusion71 decks192 decks
28%synergy
Vampiric Tutor
35%inclusion68 decks192 decks
22%synergy
Jeska's Will
28%inclusion53 decks192 decks
4%synergy
Gamble
27%inclusion52 decks192 decks
17%synergy
Chrome Mox
21%inclusion40 decks192 decks
15%synergy
Orcish Bowmasters
18%inclusion35 decks192 decks
8%synergy
Mana Vault
18%inclusion34 decks192 decks
12%synergy
Opposition Agent
16%inclusion31 decks192 decks
11%synergy
Imperial Seal
14%inclusion26 decks192 decks
9%synergy
Creatures
Hoverstone Pilgrim
47%inclusion90 decks192 decks
46%synergy
Zealous Conscripts
46%inclusion88 decks192 decks
44%synergy
Krenko, Mob Boss
45%inclusion87 decks192 decks
41%synergy
Zulaport Cutthroat
43%inclusion83 decks192 decks
35%synergy
Imperial Recruiter
43%inclusion82 decks192 decks
38%synergy
Pawn of Ulamog
43%inclusion82 decks192 decks
40%synergy
Warren Soultrader
43%inclusion82 decks192 decks
35%synergy
Gray Merchant of Asphodel
36%inclusion70 decks192 decks
26%synergy
Woe Strider
36%inclusion69 decks192 decks
33%synergy
Solemn Simulacrum
35%inclusion67 decks192 decks
15%synergy
Boggart Trawler
35%inclusion67 decks192 decks
28%synergy
Palladium Myr
34%inclusion66 decks192 decks
33%synergy
Treasonous Ogre
34%inclusion65 decks192 decks
31%synergy
Blood Artist
33%inclusion64 decks192 decks
15%synergy
Mad Auntie
33%inclusion64 decks192 decks
31%synergy
Goblin Warchief
32%inclusion62 decks192 decks
30%synergy
Goblin Recruiter
32%inclusion62 decks192 decks
31%synergy
Epitaph Golem
32%inclusion61 decks192 decks
31%synergy
Meteor Golem
31%inclusion60 decks192 decks
29%synergy
Conspicuous Snoop
31%inclusion60 decks192 decks
30%synergy
Goblin Chieftain
31%inclusion59 decks192 decks
29%synergy
Anger
30%inclusion58 decks192 decks
17%synergy
Hexing Squelcher
30%inclusion25 decks84 decks
16%synergy
Leaden Myr
29%inclusion56 decks192 decks
27%synergy
Goblin Trashmaster
29%inclusion55 decks192 decks
27%synergy
Iron Myr
29%inclusion55 decks192 decks
26%synergy
Emrakul's Hatcher
28%inclusion53 decks192 decks
27%synergy
Junktroller
27%inclusion52 decks192 decks
27%synergy
Pinnacle Monk
27%inclusion52 decks192 decks
20%synergy
Ravenous Chupacabra
26%inclusion49 decks192 decks
23%synergy
Chainer, Nightmare Adept
25%inclusion48 decks192 decks
17%synergy
Boggart Harbinger
25%inclusion48 decks192 decks
23%synergy
Duplicant
24%inclusion47 decks192 decks
24%synergy
Pashalik Mons
24%inclusion46 decks192 decks
22%synergy
Goblin Sharpshooter
24%inclusion46 decks192 decks
23%synergy
Beetleback Chief
23%inclusion45 decks192 decks
22%synergy
Marionette Master
21%inclusion40 decks192 decks
15%synergy
Boggart Cursecrafter
21%inclusion17 decks82 decks
15%synergy
Ornithopter of Paradise
20%inclusion39 decks192 decks
17%synergy
Mogg War Marshal
20%inclusion39 decks192 decks
18%synergy
Munitions Expert
20%inclusion39 decks192 decks
18%synergy
Bronze Walrus
20%inclusion38 decks192 decks
19%synergy
Clone Shell
20%inclusion38 decks192 decks
19%synergy
Goblin Chirurgeon
20%inclusion38 decks192 decks
18%synergy
Goblin King
19%inclusion37 decks192 decks
18%synergy
Simian Spirit Guide
19%inclusion36 decks192 decks
13%synergy
Crypt Ghast
19%inclusion36 decks192 decks
16%synergy
Warteye Witch
18%inclusion35 decks192 decks
18%synergy
Moggcatcher
18%inclusion35 decks192 decks
18%synergy
Krenko, Tin Street Kingpin
18%inclusion35 decks192 decks
14%synergy
Instants
Valakut Awakening
48%inclusion93 decks192 decks
41%synergy
Dark Ritual
44%inclusion85 decks192 decks
2%synergy
Fire Prophecy
28%inclusion54 decks192 decks
28%synergy
Deflecting Swat
28%inclusion53 decks192 decks
7%synergy
Chaos Warp
26%inclusion49 decks192 decks
-22%synergy
Terminate
21%inclusion40 decks192 decks
-19%synergy
Deadly Rollick
20%inclusion39 decks192 decks
-1%synergy
Red Elemental Blast
20%inclusion39 decks192 decks
11%synergy
Volcanic Spite
19%inclusion36 decks192 decks
18%synergy
Entomb
18%inclusion34 decks192 decks
11%synergy
Culling the Weak
16%inclusion30 decks192 decks
10%synergy
Pyroblast
15%inclusion28 decks192 decks
6%synergy
Rakdos Charm
13%inclusion24 decks192 decks
-31%synergy
Bedevil
12%inclusion23 decks192 decks
-23%synergy
Malakir Rebirth
11%inclusion22 decks192 decks
-4%synergy
Cabal Ritual
11%inclusion21 decks192 decks
3%synergy
Brightstone Ritual
10%inclusion20 decks192 decks
9%synergy
Imp's Mischief
10%inclusion20 decks192 decks
1%synergy
Abrade
10%inclusion19 decks192 decks
-11%synergy
Fell the Profane
8.9%inclusion17 decks192 decks
-4%synergy
Tibalt's Trickery
8.9%inclusion17 decks192 decks
-4%synergy
Dismember
8.9%inclusion17 decks192 decks
5%synergy
Thrill of Possibility
8.3%inclusion16 decks192 decks
-10%synergy
Burnt Offering
8.3%inclusion16 decks192 decks
3%synergy
Battle Hymn
8.3%inclusion16 decks192 decks
7%synergy
Lightning Bolt
7.8%inclusion15 decks192 decks
-10%synergy
Saw in Half
7.8%inclusion15 decks192 decks
-4%synergy
Redirect Lightning
7.8%inclusion10 decks129 decks
-2%synergy
Village Rites
7.3%inclusion14 decks192 decks
-8%synergy
First Day of Class
7.3%inclusion14 decks192 decks
6%synergy
Untimely Malfunction
6.8%inclusion13 decks191 decks
-12%synergy
Withering Torment
6.3%inclusion12 decks191 decks
-16%synergy
Seething Song
6.3%inclusion12 decks192 decks
-5%synergy
Ad Nauseam
6.3%inclusion12 decks192 decks
4%synergy
Fire Covenant
5.2%inclusion10 decks192 decks
-1%synergy
Sorceries
Doomsday
31%inclusion60 decks192 decks
31%synergy
Faithless Looting
22%inclusion43 decks192 decks
-5%synergy
Diabolic Intent
20%inclusion39 decks192 decks
12%synergy
Read the Bones
18%inclusion35 decks192 decks
6%synergy
Blasphemous Act
17%inclusion33 decks192 decks
-33%synergy
Feed the Swarm
17%inclusion32 decks192 decks
-25%synergy
Toxic Deluge
16%inclusion31 decks192 decks
-2%synergy
Reanimate
15%inclusion29 decks192 decks
-8%synergy
Into the Fire
15%inclusion29 decks192 decks
14%synergy
Vandalblast
13%inclusion25 decks192 decks
-17%synergy
Dread Return
13%inclusion24 decks192 decks
8%synergy
Agadeem's Awakening
12%inclusion23 decks192 decks
9%synergy
Buried Alive
10%inclusion20 decks192 decks
6%synergy
Wheel of Fortune
8.9%inclusion17 decks192 decks
3%synergy
Grim Tutor
8.9%inclusion17 decks192 decks
4%synergy
Diabolic Tutor
8.3%inclusion16 decks192 decks
2%synergy
Victimize
7.8%inclusion15 decks192 decks
-7%synergy
Beseech the Mirror
7.8%inclusion15 decks192 decks
4%synergy
Living Death
7.3%inclusion14 decks192 decks
3%synergy
Unearth
6.3%inclusion12 decks192 decks
1%synergy
Rite of Flame
6.3%inclusion12 decks192 decks
1%synergy
Grub's Command
6.0%inclusion5 decks84 decks
2%synergy
Twinflame
5.7%inclusion11 decks192 decks
0%synergy
Shatterskull Smashing
5.2%inclusion10 decks192 decks
2%synergy
Insatiable Avarice
5.2%inclusion10 decks192 decks
1%synergy
Utility Artifacts
Teferi's Puzzle Box
26%inclusion49 decks192 decks
25%synergy
Lightning Greaves
23%inclusion45 decks192 decks
-11%synergy
Skullclamp
22%inclusion42 decks192 decks
12%synergy
Phyrexian Altar
20%inclusion39 decks192 decks
15%synergy
Reito Lantern
16%inclusion31 decks192 decks
16%synergy
Nim Deathmantle
15%inclusion29 decks192 decks
14%synergy
Thornbite Staff
15%inclusion28 decks192 decks
14%synergy
Swiftfoot Boots
14%inclusion27 decks192 decks
-18%synergy
Crystal Ball
14%inclusion26 decks192 decks
13%synergy
Cloak and Dagger
13%inclusion24 decks192 decks
12%synergy
Wishclaw Talisman
13%inclusion24 decks192 decks
6%synergy
Darksteel Pendant
12%inclusion23 decks192 decks
12%synergy
Soldevi Digger
12%inclusion23 decks192 decks
12%synergy
The One Ring
10%inclusion20 decks192 decks
3%synergy
Desecrated Tomb
10%inclusion19 decks192 decks
9%synergy
Sensei's Divining Top
7.3%inclusion14 decks192 decks
1%synergy
Bolas's Citadel
7.3%inclusion14 decks192 decks
-3%synergy
Illusionist's Bracers
6.8%inclusion13 decks192 decks
6%synergy
Conjurer's Bauble
6.8%inclusion13 decks192 decks
7%synergy
Planetarium of Wan Shi Tong
6.7%inclusion7 decks105 decks
6%synergy
Defense Grid
5.7%inclusion11 decks192 decks
4%synergy
Goblin Charbelcher
5.7%inclusion11 decks192 decks
5%synergy
Altar of Dementia
5.2%inclusion10 decks192 decks
3%synergy
Enchantments
Goblin Bombardment
32%inclusion62 decks192 decks
23%synergy
Impact Tremors
25%inclusion48 decks192 decks
14%synergy
Mana Echoes
21%inclusion40 decks192 decks
20%synergy
Braid of Fire
16%inclusion31 decks192 decks
14%synergy
Necropotence
14%inclusion26 decks192 decks
8%synergy
Animate Dead
12%inclusion23 decks192 decks
2%synergy
Underworld Breach
10%inclusion19 decks192 decks
3%synergy
Phyrexian Arena
9.4%inclusion18 decks192 decks
-14%synergy
Mindmoil
7.3%inclusion14 decks192 decks
7%synergy
Boggart Mischief
7.1%inclusion6 decks84 decks
2%synergy
Fires of Invention
6.8%inclusion13 decks192 decks
7%synergy
Blood Moon
6.8%inclusion13 decks192 decks
5%synergy
Thran Vigil
6.3%inclusion12 decks192 decks
5%synergy
Chthonian Nightmare
5.7%inclusion11 decks192 decks
3%synergy
Shared Animosity
5.2%inclusion10 decks192 decks
2%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
36%inclusion69 decks192 decks
17%synergy
Zhalfirin Void
32%inclusion61 decks192 decks
31%synergy
Phyrexian Tower
31%inclusion60 decks192 decks
21%synergy
Great Furnace
28%inclusion54 decks192 decks
22%synergy
Buried Ruin
27%inclusion52 decks192 decks
24%synergy
Vault of Whispers
27%inclusion51 decks192 decks
20%synergy
Bojuka Bog
21%inclusion41 decks192 decks
-14%synergy
Cabal Coffers
16%inclusion31 decks192 decks
7%synergy
Takenuma, Abandoned Mire
15%inclusion28 decks192 decks
6%synergy
Spinerock Knoll
14%inclusion27 decks192 decks
5%synergy
Nykthos, Shrine to Nyx
12%inclusion23 decks192 decks
10%synergy
Inventors' Fair
12%inclusion23 decks192 decks
10%synergy
Urza's Saga
11%inclusion21 decks192 decks
5%synergy
Three Tree City
7.8%inclusion15 decks192 decks
5%synergy
Drownyard Temple
7.3%inclusion14 decks192 decks
6%synergy
Temple of the False God
6.8%inclusion13 decks192 decks
-3%synergy
Castle Embereth
5.7%inclusion11 decks192 decks
3%synergy
Homeward Path
5.7%inclusion11 decks192 decks
5%synergy
Howltooth Hollow
5.2%inclusion10 decks192 decks
5%synergy
Darksteel Citadel
5.2%inclusion10 decks192 decks
1%synergy
Den of the Bugbear
5.2%inclusion10 decks192 decks
3%synergy
Mana Artifacts
Sol Ring
90%inclusion173 decks192 decks
4%synergy
Arcane Signet
55%inclusion105 decks192 decks
-27%synergy
Rakdos Signet
47%inclusion90 decks192 decks
-11%synergy
Talisman of Indulgence
35%inclusion67 decks192 decks
-20%synergy
Thran Turbine
29%inclusion55 decks192 decks
28%synergy
Fellwar Stone
23%inclusion45 decks192 decks
-10%synergy
Lotus Petal
18%inclusion34 decks192 decks
10%synergy
Mox Amber
14%inclusion27 decks192 decks
10%synergy
Mox Opal
11%inclusion22 decks192 decks
7%synergy
Mox Diamond
11%inclusion21 decks192 decks
7%synergy
Mind Stone
9.4%inclusion18 decks192 decks
-19%synergy
Commander's Sphere
6.3%inclusion12 decks192 decks
-10%synergy
Springleaf Drum
6.3%inclusion12 decks192 decks
4%synergy
Lion's Eye Diamond
5.7%inclusion11 decks192 decks
3%synergy
Lands
Swamp
95%inclusion182 decks192 decks
-3%synergy
Mountain
93%inclusion179 decks192 decks
-4%synergy
Command Tower
90%inclusion172 decks192 decks
4%synergy
Blood Crypt
67%inclusion129 decks192 decks
21%synergy
Dragonskull Summit
62%inclusion119 decks192 decks
-1%synergy
Sulfurous Springs
55%inclusion106 decks192 decks
8%synergy
Temple of Malice
54%inclusion104 decks192 decks
21%synergy
Smoldering Marsh
52%inclusion100 decks192 decks
-11%synergy
Luxury Suite
52%inclusion100 decks192 decks
14%synergy
Bloodstained Mire
51%inclusion97 decks192 decks
17%synergy
Graven Cairns
50%inclusion96 decks192 decks
19%synergy
Valakut Awakening
48%inclusion93 decks192 decks
41%synergy
Path of Ancestry
36%inclusion69 decks192 decks
20%synergy
Boggart Trawler
35%inclusion67 decks192 decks
28%synergy
Tainted Peak
33%inclusion63 decks192 decks
-10%synergy
Blightstep Pathway
32%inclusion61 decks192 decks
9%synergy
Foreboding Ruins
31%inclusion60 decks192 decks
-14%synergy
Haunted Ridge
31%inclusion59 decks192 decks
-5%synergy
Badlands
29%inclusion56 decks192 decks
16%synergy
Shadowblood Ridge
29%inclusion55 decks192 decks
-6%synergy
Pinnacle Monk
27%inclusion52 decks192 decks
20%synergy
Blazemire Verge
25%inclusion48 decks191 decks
-5%synergy
Rakdos Carnarium
25%inclusion48 decks192 decks
-7%synergy
Blackcleave Cliffs
24%inclusion46 decks192 decks
4%synergy
Crystal Grotto
23%inclusion45 decks192 decks
23%synergy
Raucous Theater
21%inclusion41 decks192 decks
0%synergy
Exotic Orchard
21%inclusion41 decks192 decks
-10%synergy
Auntie's Hovel
20%inclusion39 decks192 decks
19%synergy
Cavern of Souls
20%inclusion38 decks192 decks
15%synergy
City of Brass
19%inclusion37 decks192 decks
13%synergy
Gemstone Caverns
19%inclusion36 decks192 decks
14%synergy
Mana Confluence
15%inclusion29 decks192 decks
9%synergy
Mount Doom
15%inclusion29 decks192 decks
-1%synergy
Marsh Flats
15%inclusion29 decks192 decks
7%synergy
Canyon Slough
15%inclusion28 decks192 decks
-5%synergy
Arid Mesa
15%inclusion28 decks192 decks
6%synergy
The Grey Havens
14%inclusion27 decks192 decks
13%synergy
Polluted Delta
14%inclusion27 decks192 decks
6%synergy
Wooded Foothills
13%inclusion25 decks192 decks
6%synergy
Scalding Tarn
13%inclusion25 decks192 decks
6%synergy
Agadeem's Awakening
12%inclusion23 decks192 decks
9%synergy
Malakir Rebirth
11%inclusion22 decks192 decks
-4%synergy
Verdant Catacombs
11%inclusion21 decks192 decks
4%synergy
Evolving Wilds
10%inclusion19 decks192 decks
-11%synergy
Fell the Profane
8.9%inclusion17 decks192 decks
-4%synergy
Secluded Courtyard
8.9%inclusion17 decks192 decks
6%synergy
Opal Palace
8.9%inclusion17 decks192 decks
7%synergy
Rumble Arena
8.7%inclusion9 decks103 decks
8%synergy
Prismatic Vista
8.3%inclusion16 decks192 decks
3%synergy
Bloodfell Caves
8.3%inclusion16 decks192 decks
-11%synergy
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