Grenzo, Dungeon Warden (Commander) - Optimized

Grenzo, Dungeon Warden
Rank #538
207decks
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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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Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Blazing Firesinger
10%inclusion5 decks49 decks
9%synergy
Grave Researcher
7.0%inclusion4 decks57 decks
4%synergy
Sundering Archaic
6.0%inclusion3 decks50 decks
6%synergy
Relic Retriever
5.5%inclusion3 decks55 decks
5%synergy
Garrison Excavator
3.8%inclusion2 decks53 decks
4%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
76%inclusion158 decks207 decks
72%synergy
Murderous Redcap
73%inclusion151 decks207 decks
69%synergy
Skirk Prospector
72%inclusion149 decks207 decks
67%synergy
Heartstone
69%inclusion142 decks207 decks
66%synergy
Ashnod's Altar
73%inclusion152 decks207 decks
63%synergy
Workhorse
63%inclusion130 decks207 decks
62%synergy
Priest of Urabrask
64%inclusion132 decks207 decks
62%synergy
Sling-Gang Lieutenant
63%inclusion131 decks207 decks
60%synergy
Barkform Harvester
59%inclusion122 decks207 decks
58%synergy
Goblin Matron
61%inclusion126 decks207 decks
58%synergy
Top Cards
Viscera Seer
62%inclusion128 decks207 decks
53%synergy
Priest of Gix
60%inclusion124 decks207 decks
58%synergy
Siege-Gang Commander
59%inclusion123 decks207 decks
56%synergy
Pitiless Plunderer
56%inclusion116 decks207 decks
43%synergy
The Cauldron of Eternity
56%inclusion115 decks207 decks
54%synergy
Goblin Engineer
55%inclusion114 decks207 decks
51%synergy
Tomb Trawler
55%inclusion113 decks207 decks
54%synergy
Metallic Mimic
54%inclusion112 decks207 decks
52%synergy
Tel-Jilad Stylus
52%inclusion108 decks207 decks
51%synergy
Goblin Welder
47%inclusion98 decks207 decks
45%synergy
Game Changers
Demonic Tutor
39%inclusion81 decks207 decks
21%synergy
Ancient Tomb
36%inclusion75 decks207 decks
27%synergy
Vampiric Tutor
34%inclusion71 decks207 decks
21%synergy
Gamble
28%inclusion58 decks207 decks
18%synergy
Jeska's Will
26%inclusion54 decks207 decks
3%synergy
Chrome Mox
21%inclusion43 decks207 decks
15%synergy
Orcish Bowmasters
18%inclusion38 decks207 decks
8%synergy
Mana Vault
17%inclusion36 decks207 decks
12%synergy
Opposition Agent
16%inclusion34 decks207 decks
11%synergy
Imperial Seal
14%inclusion28 decks207 decks
9%synergy
Creatures
Hoverstone Pilgrim
46%inclusion96 decks207 decks
46%synergy
Zealous Conscripts
46%inclusion95 decks207 decks
44%synergy
Krenko, Mob Boss
44%inclusion92 decks207 decks
40%synergy
Pawn of Ulamog
44%inclusion91 decks207 decks
41%synergy
Imperial Recruiter
43%inclusion89 decks207 decks
39%synergy
Warren Soultrader
43%inclusion89 decks207 decks
35%synergy
Zulaport Cutthroat
43%inclusion89 decks207 decks
35%synergy
Solemn Simulacrum
37%inclusion77 decks207 decks
17%synergy
Palladium Myr
36%inclusion75 decks207 decks
35%synergy
Gray Merchant of Asphodel
36%inclusion74 decks207 decks
25%synergy
Woe Strider
36%inclusion74 decks207 decks
33%synergy
Boggart Trawler
35%inclusion73 decks207 decks
28%synergy
Meteor Golem
33%inclusion69 decks207 decks
31%synergy
Treasonous Ogre
33%inclusion68 decks207 decks
30%synergy
Mad Auntie
33%inclusion68 decks207 decks
31%synergy
Blood Artist
32%inclusion67 decks207 decks
14%synergy
Epitaph Golem
31%inclusion65 decks207 decks
31%synergy
Goblin Recruiter
31%inclusion64 decks207 decks
29%synergy
Conspicuous Snoop
31%inclusion64 decks207 decks
29%synergy
Leaden Myr
31%inclusion64 decks207 decks
29%synergy
Goblin Warchief
30%inclusion63 decks207 decks
28%synergy
Iron Myr
30%inclusion63 decks207 decks
28%synergy
Anger
30%inclusion62 decks207 decks
17%synergy
Goblin Trashmaster
29%inclusion60 decks207 decks
27%synergy
Goblin Chieftain
29%inclusion60 decks207 decks
27%synergy
Emrakul's Hatcher
28%inclusion58 decks207 decks
28%synergy
Hexing Squelcher
28%inclusion29 decks104 decks
14%synergy
Junktroller
27%inclusion56 decks207 decks
26%synergy
Chainer, Nightmare Adept
27%inclusion55 decks207 decks
19%synergy
Ravenous Chupacabra
27%inclusion55 decks207 decks
24%synergy
Duplicant
27%inclusion55 decks207 decks
26%synergy
Pinnacle Monk
27%inclusion55 decks207 decks
19%synergy
Boggart Harbinger
24%inclusion50 decks207 decks
22%synergy
Pashalik Mons
23%inclusion48 decks207 decks
21%synergy
Goblin Sharpshooter
23%inclusion48 decks207 decks
22%synergy
Beetleback Chief
23%inclusion48 decks207 decks
22%synergy
Ornithopter of Paradise
23%inclusion47 decks207 decks
19%synergy
Marionette Master
22%inclusion45 decks207 decks
16%synergy
Mogg War Marshal
21%inclusion43 decks207 decks
19%synergy
Bronze Walrus
20%inclusion42 decks207 decks
20%synergy
Murderous Rider
20%inclusion41 decks207 decks
18%synergy
Clone Shell
20%inclusion41 decks207 decks
19%synergy
Goblin Chirurgeon
20%inclusion41 decks207 decks
18%synergy
Munitions Expert
19%inclusion39 decks207 decks
17%synergy
Boggart Cursecrafter
19%inclusion19 decks102 decks
14%synergy
Simian Spirit Guide
18%inclusion38 decks207 decks
12%synergy
Moggcatcher
18%inclusion38 decks207 decks
18%synergy
Warteye Witch
18%inclusion37 decks207 decks
17%synergy
Marionette Apprentice
18%inclusion37 decks207 decks
9%synergy
Goblin King
18%inclusion37 decks207 decks
16%synergy
Instants
Valakut Awakening
48%inclusion100 decks207 decks
41%synergy
Dark Ritual
43%inclusion90 decks207 decks
1%synergy
Fire Prophecy
27%inclusion56 decks207 decks
26%synergy
Deflecting Swat
26%inclusion54 decks207 decks
5%synergy
Chaos Warp
25%inclusion51 decks207 decks
-23%synergy
Deadly Rollick
19%inclusion40 decks207 decks
-2%synergy
Terminate
19%inclusion40 decks207 decks
-20%synergy
Red Elemental Blast
19%inclusion40 decks207 decks
11%synergy
Volcanic Spite
19%inclusion39 decks207 decks
18%synergy
Entomb
17%inclusion36 decks207 decks
10%synergy
Culling the Weak
16%inclusion34 decks207 decks
10%synergy
Pyroblast
14%inclusion28 decks207 decks
5%synergy
Rakdos Charm
12%inclusion24 decks207 decks
-32%synergy
Malakir Rebirth
12%inclusion24 decks207 decks
-4%synergy
Bedevil
12%inclusion24 decks207 decks
-23%synergy
Brightstone Ritual
11%inclusion23 decks207 decks
10%synergy
Cabal Ritual
11%inclusion23 decks207 decks
3%synergy
Fell the Profane
10%inclusion20 decks207 decks
-3%synergy
Abrade
10%inclusion20 decks207 decks
-12%synergy
Imp's Mischief
9.2%inclusion19 decks207 decks
0%synergy
Burnt Offering
9.2%inclusion19 decks207 decks
4%synergy
Battle Hymn
8.2%inclusion17 decks207 decks
7%synergy
Dismember
8.2%inclusion17 decks207 decks
4%synergy
Thrill of Possibility
7.7%inclusion16 decks207 decks
-11%synergy
Tibalt's Trickery
7.7%inclusion16 decks207 decks
-5%synergy
Saw in Half
7.7%inclusion16 decks207 decks
-4%synergy
Redirect Lightning
7.5%inclusion11 decks146 decks
-2%synergy
Lightning Bolt
7.2%inclusion15 decks207 decks
-11%synergy
First Day of Class
7.2%inclusion15 decks207 decks
6%synergy
Village Rites
6.8%inclusion14 decks207 decks
-9%synergy
Untimely Malfunction
6.3%inclusion13 decks206 decks
-12%synergy
Fire Covenant
6.3%inclusion13 decks207 decks
0%synergy
Withering Torment
5.8%inclusion12 decks206 decks
-16%synergy
Seething Song
5.8%inclusion12 decks207 decks
-6%synergy
Ad Nauseam
5.8%inclusion12 decks207 decks
3%synergy
Sorceries
Doomsday
32%inclusion66 decks207 decks
31%synergy
Faithless Looting
22%inclusion46 decks207 decks
-6%synergy
Diabolic Intent
19%inclusion39 decks207 decks
11%synergy
Read the Bones
18%inclusion38 decks207 decks
6%synergy
Blasphemous Act
17%inclusion35 decks207 decks
-34%synergy
Into the Fire
16%inclusion33 decks207 decks
15%synergy
Feed the Swarm
15%inclusion32 decks207 decks
-26%synergy
Toxic Deluge
15%inclusion32 decks207 decks
-2%synergy
Reanimate
14%inclusion30 decks207 decks
-8%synergy
Vandalblast
13%inclusion26 decks207 decks
-18%synergy
Agadeem's Awakening
13%inclusion26 decks207 decks
9%synergy
Dread Return
12%inclusion25 decks207 decks
8%synergy
Buried Alive
10%inclusion21 decks207 decks
5%synergy
Wheel of Fortune
8.7%inclusion18 decks207 decks
3%synergy
Beseech the Mirror
8.7%inclusion18 decks207 decks
5%synergy
Diabolic Tutor
8.2%inclusion17 decks207 decks
2%synergy
Grim Tutor
8.2%inclusion17 decks207 decks
4%synergy
Victimize
7.2%inclusion15 decks207 decks
-8%synergy
Rite of Flame
6.8%inclusion14 decks207 decks
2%synergy
Living Death
6.8%inclusion14 decks207 decks
3%synergy
Unearth
5.8%inclusion12 decks207 decks
1%synergy
Praetor's Grasp
5.3%inclusion11 decks207 decks
3%synergy
Twinflame
5.3%inclusion11 decks207 decks
-1%synergy
Insatiable Avarice
5.3%inclusion11 decks207 decks
1%synergy
Utility Artifacts
Lightning Greaves
25%inclusion51 decks207 decks
-10%synergy
Teferi's Puzzle Box
24%inclusion50 decks207 decks
23%synergy
Skullclamp
21%inclusion44 decks207 decks
11%synergy
Phyrexian Altar
19%inclusion40 decks207 decks
14%synergy
Reito Lantern
15%inclusion32 decks207 decks
15%synergy
Nim Deathmantle
15%inclusion31 decks207 decks
14%synergy
Thornbite Staff
15%inclusion31 decks207 decks
14%synergy
Swiftfoot Boots
14%inclusion30 decks207 decks
-17%synergy
Crystal Ball
14%inclusion29 decks207 decks
14%synergy
Cloak and Dagger
13%inclusion27 decks207 decks
13%synergy
Wishclaw Talisman
13%inclusion26 decks207 decks
6%synergy
Darksteel Pendant
12%inclusion24 decks207 decks
11%synergy
Soldevi Digger
11%inclusion23 decks207 decks
11%synergy
Desecrated Tomb
10%inclusion21 decks207 decks
9%synergy
The One Ring
9.2%inclusion19 decks207 decks
2%synergy
Illusionist's Bracers
7.7%inclusion16 decks207 decks
7%synergy
Conjurer's Bauble
7.2%inclusion15 decks207 decks
7%synergy
Sensei's Divining Top
6.8%inclusion14 decks207 decks
1%synergy
Bolas's Citadel
5.8%inclusion12 decks207 decks
-4%synergy
Defense Grid
5.3%inclusion11 decks207 decks
3%synergy
Altar of Dementia
5.3%inclusion11 decks207 decks
3%synergy
Goblin Charbelcher
5.3%inclusion11 decks207 decks
5%synergy
Enchantments
Goblin Bombardment
32%inclusion66 decks207 decks
22%synergy
Impact Tremors
24%inclusion49 decks207 decks
12%synergy
Mana Echoes
20%inclusion42 decks207 decks
20%synergy
Braid of Fire
16%inclusion34 decks207 decks
15%synergy
Necropotence
13%inclusion26 decks207 decks
7%synergy
Animate Dead
11%inclusion23 decks207 decks
2%synergy
Underworld Breach
10%inclusion21 decks207 decks
3%synergy
Phyrexian Arena
8.2%inclusion17 decks207 decks
-15%synergy
Mindmoil
7.2%inclusion15 decks207 decks
7%synergy
Boggart Mischief
6.7%inclusion7 decks104 decks
2%synergy
Fires of Invention
6.3%inclusion13 decks207 decks
6%synergy
Blood Moon
6.3%inclusion13 decks207 decks
4%synergy
Thran Vigil
5.8%inclusion12 decks207 decks
5%synergy
Chthonian Nightmare
5.8%inclusion12 decks207 decks
4%synergy
Shadows of the Past
5.3%inclusion11 decks207 decks
5%synergy
Utility Lands
Urborg, Tomb of Yawgmoth
34%inclusion71 decks207 decks
16%synergy
Zhalfirin Void
32%inclusion67 decks207 decks
31%synergy
Phyrexian Tower
31%inclusion64 decks207 decks
20%synergy
Buried Ruin
29%inclusion59 decks207 decks
25%synergy
Great Furnace
27%inclusion56 decks207 decks
21%synergy
Vault of Whispers
26%inclusion54 decks207 decks
20%synergy
Bojuka Bog
21%inclusion44 decks207 decks
-14%synergy
Cabal Coffers
14%inclusion30 decks207 decks
5%synergy
Spinerock Knoll
14%inclusion29 decks207 decks
5%synergy
Takenuma, Abandoned Mire
14%inclusion29 decks207 decks
5%synergy
Inventors' Fair
13%inclusion26 decks207 decks
11%synergy
Urza's Saga
11%inclusion23 decks207 decks
5%synergy
Nykthos, Shrine to Nyx
11%inclusion22 decks207 decks
9%synergy
Drownyard Temple
8.2%inclusion17 decks207 decks
7%synergy
Three Tree City
7.7%inclusion16 decks207 decks
5%synergy
Darksteel Citadel
6.3%inclusion13 decks207 decks
2%synergy
Temple of the False God
6.3%inclusion13 decks207 decks
-4%synergy
Dakmor Salvage
5.8%inclusion12 decks207 decks
5%synergy
Homeward Path
5.8%inclusion12 decks207 decks
5%synergy
Castle Embereth
5.3%inclusion11 decks207 decks
3%synergy
Mana Artifacts
Sol Ring
89%inclusion184 decks207 decks
3%synergy
Arcane Signet
55%inclusion113 decks207 decks
-27%synergy
Rakdos Signet
46%inclusion96 decks207 decks
-11%synergy
Talisman of Indulgence
34%inclusion71 decks207 decks
-21%synergy
Thran Turbine
30%inclusion62 decks207 decks
29%synergy
Fellwar Stone
21%inclusion44 decks207 decks
-12%synergy
Lotus Petal
18%inclusion37 decks207 decks
10%synergy
Mox Amber
14%inclusion28 decks207 decks
9%synergy
Mox Opal
11%inclusion23 decks207 decks
7%synergy
Mox Diamond
10%inclusion21 decks207 decks
6%synergy
Mind Stone
9.2%inclusion19 decks207 decks
-19%synergy
Springleaf Drum
6.8%inclusion14 decks207 decks
5%synergy
Commander's Sphere
5.8%inclusion12 decks207 decks
-10%synergy
Lion's Eye Diamond
5.8%inclusion12 decks207 decks
3%synergy
Lands
Swamp
95%inclusion197 decks207 decks
-2%synergy
Mountain
93%inclusion193 decks207 decks
-4%synergy
Command Tower
90%inclusion186 decks207 decks
4%synergy
Blood Crypt
66%inclusion136 decks207 decks
19%synergy
Dragonskull Summit
61%inclusion127 decks207 decks
-2%synergy
Temple of Malice
55%inclusion113 decks207 decks
21%synergy
Sulfurous Springs
55%inclusion113 decks207 decks
7%synergy
Smoldering Marsh
51%inclusion105 decks207 decks
-13%synergy
Luxury Suite
51%inclusion105 decks207 decks
13%synergy
Bloodstained Mire
49%inclusion102 decks207 decks
16%synergy
Valakut Awakening
48%inclusion100 decks207 decks
41%synergy
Graven Cairns
47%inclusion97 decks207 decks
16%synergy
Path of Ancestry
37%inclusion76 decks207 decks
20%synergy
Boggart Trawler
35%inclusion73 decks207 decks
28%synergy
Blightstep Pathway
32%inclusion66 decks207 decks
9%synergy
Foreboding Ruins
31%inclusion64 decks207 decks
-15%synergy
Tainted Peak
31%inclusion64 decks207 decks
-12%synergy
Haunted Ridge
29%inclusion61 decks207 decks
-6%synergy
Badlands
29%inclusion59 decks207 decks
15%synergy
Shadowblood Ridge
29%inclusion59 decks207 decks
-7%synergy
Pinnacle Monk
27%inclusion55 decks207 decks
19%synergy
Rakdos Carnarium
25%inclusion52 decks207 decks
-6%synergy
Crystal Grotto
24%inclusion50 decks207 decks
23%synergy
Blazemire Verge
24%inclusion49 decks206 decks
-7%synergy
Blackcleave Cliffs
24%inclusion49 decks207 decks
3%synergy
Exotic Orchard
23%inclusion47 decks207 decks
-8%synergy
Raucous Theater
22%inclusion46 decks207 decks
0%synergy
Auntie's Hovel
19%inclusion40 decks207 decks
18%synergy
Cavern of Souls
19%inclusion39 decks207 decks
14%synergy
City of Brass
19%inclusion39 decks207 decks
12%synergy
Gemstone Caverns
19%inclusion39 decks207 decks
14%synergy
The Grey Havens
15%inclusion32 decks207 decks
15%synergy
Arid Mesa
15%inclusion31 decks207 decks
7%synergy
Marsh Flats
15%inclusion31 decks207 decks
7%synergy
Mana Confluence
15%inclusion31 decks207 decks
9%synergy
Canyon Slough
14%inclusion30 decks207 decks
-5%synergy
Mount Doom
14%inclusion30 decks207 decks
-2%synergy
Polluted Delta
14%inclusion30 decks207 decks
7%synergy
Wooded Foothills
13%inclusion27 decks207 decks
6%synergy
Scalding Tarn
13%inclusion27 decks207 decks
6%synergy
Agadeem's Awakening
13%inclusion26 decks207 decks
9%synergy
Malakir Rebirth
12%inclusion24 decks207 decks
-4%synergy
Rumble Arena
11%inclusion13 decks121 decks
10%synergy
Verdant Catacombs
11%inclusion22 decks207 decks
4%synergy
Opal Palace
10%inclusion21 decks207 decks
9%synergy
Fell the Profane
10%inclusion20 decks207 decks
-3%synergy
Evolving Wilds
10%inclusion20 decks207 decks
-11%synergy
Secluded Courtyard
9.2%inclusion19 decks207 decks
7%synergy
Prismatic Vista
8.2%inclusion17 decks207 decks
3%synergy
Bloodfell Caves
8.2%inclusion17 decks207 decks
-11%synergy
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