Grenzo, Dungeon Warden (Commander) - Combo

Grenzo, Dungeon Warden
Rank #541
223decks
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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
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Relic Retriever
12%inclusion8 decks67 decks
12%synergy
Blazing Firesinger
10%inclusion6 decks63 decks
8%synergy
Sundering Archaic
6.3%inclusion4 decks64 decks
6%synergy
Spirit of Resilience
6.0%inclusion4 decks67 decks
6%synergy
Garrison Excavator
6.0%inclusion4 decks67 decks
6%synergy
High Synergy Cards
Heartstone
72%inclusion160 decks223 decks
70%synergy
Murderous Redcap
72%inclusion161 decks223 decks
69%synergy
Priest of Gix
70%inclusion155 decks223 decks
67%synergy
Ashnod's Altar
76%inclusion170 decks223 decks
66%synergy
Priest of Urabrask
67%inclusion149 decks223 decks
65%synergy
Tomb Trawler
65%inclusion145 decks223 decks
64%synergy
Barkform Harvester
65%inclusion142 decks218 decks
64%synergy
Skirk Prospector
68%inclusion152 decks223 decks
63%synergy
The Cauldron of Eternity
63%inclusion140 decks223 decks
62%synergy
Kiki-Jiki, Mirror Breaker
65%inclusion146 decks223 decks
61%synergy
Top Cards
Viscera Seer
70%inclusion156 decks223 decks
61%synergy
Sling-Gang Lieutenant
63%inclusion140 decks223 decks
60%synergy
Siege-Gang Commander
63%inclusion140 decks223 decks
59%synergy
Workhorse
61%inclusion136 decks223 decks
60%synergy
Pitiless Plunderer
57%inclusion127 decks223 decks
44%synergy
Goblin Engineer
56%inclusion125 decks223 decks
52%synergy
Goblin Matron
54%inclusion120 decks223 decks
51%synergy
Tel-Jilad Stylus
53%inclusion119 decks223 decks
53%synergy
Hoverstone Pilgrim
51%inclusion114 decks223 decks
51%synergy
Palladium Myr
50%inclusion112 decks223 decks
49%synergy
Game Changers
Ancient Tomb
24%inclusion54 decks223 decks
15%synergy
Demonic Tutor
22%inclusion49 decks223 decks
4%synergy
Vampiric Tutor
19%inclusion42 decks223 decks
5%synergy
Gamble
17%inclusion38 decks223 decks
7%synergy
Chrome Mox
15%inclusion33 decks223 decks
9%synergy
Jeska's Will
14%inclusion31 decks223 decks
-9%synergy
Mana Vault
14%inclusion31 decks223 decks
9%synergy
Orcish Bowmasters
13%inclusion28 decks223 decks
2%synergy
Mox Diamond
10%inclusion23 decks223 decks
7%synergy
Imperial Seal
8.1%inclusion18 decks223 decks
3%synergy
Creatures
Zulaport Cutthroat
49%inclusion110 decks223 decks
41%synergy
Woe Strider
48%inclusion107 decks223 decks
45%synergy
Metallic Mimic
47%inclusion105 decks223 decks
45%synergy
Solemn Simulacrum
45%inclusion100 decks223 decks
25%synergy
Leaden Myr
43%inclusion97 decks223 decks
41%synergy
Iron Myr
43%inclusion95 decks223 decks
40%synergy
Pawn of Ulamog
43%inclusion95 decks223 decks
40%synergy
Zealous Conscripts
42%inclusion93 decks223 decks
40%synergy
Warren Soultrader
42%inclusion93 decks223 decks
34%synergy
Meteor Golem
42%inclusion93 decks223 decks
39%synergy
Goblin Welder
41%inclusion92 decks223 decks
39%synergy
Epitaph Golem
40%inclusion90 decks223 decks
40%synergy
Ravenous Chupacabra
39%inclusion88 decks223 decks
37%synergy
Boggart Trawler
38%inclusion84 decks223 decks
31%synergy
Gray Merchant of Asphodel
37%inclusion82 decks223 decks
26%synergy
Krenko, Mob Boss
37%inclusion82 decks223 decks
32%synergy
Ornithopter of Paradise
36%inclusion81 decks223 decks
33%synergy
Emrakul's Hatcher
36%inclusion80 decks223 decks
35%synergy
Imperial Recruiter
35%inclusion78 decks223 decks
31%synergy
Mad Auntie
35%inclusion78 decks223 decks
33%synergy
Blood Artist
35%inclusion77 decks223 decks
16%synergy
Treasonous Ogre
31%inclusion70 decks223 decks
28%synergy
Goblin Trashmaster
31%inclusion69 decks223 decks
29%synergy
Bronze Walrus
31%inclusion69 decks223 decks
30%synergy
Beetleback Chief
30%inclusion66 decks223 decks
28%synergy
Duplicant
29%inclusion64 decks223 decks
28%synergy
Anger
29%inclusion64 decks223 decks
16%synergy
Pinnacle Monk
29%inclusion64 decks223 decks
22%synergy
Goblin Recruiter
28%inclusion62 decks223 decks
26%synergy
Chainer, Nightmare Adept
27%inclusion61 decks223 decks
20%synergy
Goblin Warchief
27%inclusion61 decks223 decks
25%synergy
Murderous Rider
27%inclusion60 decks223 decks
25%synergy
Goblin Chirurgeon
26%inclusion57 decks223 decks
24%synergy
Mogg War Marshal
25%inclusion56 decks223 decks
23%synergy
Goblin Chieftain
25%inclusion55 decks223 decks
23%synergy
Boggart Harbinger
24%inclusion54 decks223 decks
22%synergy
Junktroller
24%inclusion53 decks223 decks
23%synergy
Clone Shell
24%inclusion53 decks223 decks
23%synergy
Conspicuous Snoop
24%inclusion53 decks223 decks
22%synergy
Goblin Sharpshooter
23%inclusion52 decks223 decks
22%synergy
Mayhem Devil
23%inclusion51 decks223 decks
-1%synergy
Pashalik Mons
23%inclusion51 decks223 decks
21%synergy
Marionette Apprentice
22%inclusion50 decks223 decks
13%synergy
Marionette Master
22%inclusion48 decks223 decks
16%synergy
Hexing Squelcher
21%inclusion24 decks112 decks
8%synergy
Warteye Witch
20%inclusion45 decks223 decks
20%synergy
Burnished Hart
20%inclusion44 decks223 decks
15%synergy
Judith, the Scourge Diva
19%inclusion42 decks223 decks
16%synergy
Munitions Expert
18%inclusion40 decks223 decks
16%synergy
Myr Retriever
18%inclusion40 decks223 decks
16%synergy
Instants
Valakut Awakening
42%inclusion93 decks223 decks
34%synergy
Dark Ritual
30%inclusion67 decks223 decks
-12%synergy
Fire Prophecy
29%inclusion64 decks223 decks
28%synergy
Volcanic Spite
27%inclusion60 decks223 decks
26%synergy
Chaos Warp
24%inclusion54 decks223 decks
-23%synergy
Deflecting Swat
17%inclusion37 decks223 decks
-4%synergy
Red Elemental Blast
13%inclusion30 decks223 decks
5%synergy
Fell the Profane
13%inclusion28 decks223 decks
0%synergy
Rakdos Charm
12%inclusion27 decks223 decks
-32%synergy
Terminate
12%inclusion27 decks223 decks
-28%synergy
Culling the Weak
12%inclusion27 decks223 decks
6%synergy
Tibalt's Trickery
12%inclusion27 decks223 decks
-1%synergy
Bedevil
12%inclusion27 decks223 decks
-23%synergy
Entomb
11%inclusion25 decks223 decks
4%synergy
Deadly Rollick
11%inclusion24 decks223 decks
-11%synergy
Cabal Ritual
11%inclusion24 decks223 decks
3%synergy
Pyroblast
11%inclusion24 decks223 decks
2%synergy
Manhole Missile
10%inclusion9 decks86 decks
10%synergy
Abrade
10%inclusion23 decks223 decks
-11%synergy
Malakir Rebirth
10%inclusion22 decks223 decks
-5%synergy
Redirect Lightning
10%inclusion13 decks135 decks
0%synergy
Thrill of Possibility
9.4%inclusion21 decks223 decks
-9%synergy
Fire Covenant
8.1%inclusion18 decks223 decks
2%synergy
Brightstone Ritual
7.6%inclusion17 decks223 decks
6%synergy
Burnt Offering
7.2%inclusion16 decks223 decks
2%synergy
Withering Torment
6.8%inclusion14 decks206 decks
-15%synergy
Pyretic Ritual
6.7%inclusion15 decks223 decks
1%synergy
Village Rites
6.3%inclusion14 decks223 decks
-9%synergy
Lightning Bolt
6.3%inclusion14 decks223 decks
-12%synergy
Desperate Ritual
5.8%inclusion13 decks223 decks
1%synergy
Saw in Half
5.8%inclusion13 decks223 decks
-6%synergy
Ad Nauseam
5.4%inclusion12 decks223 decks
3%synergy
Dismember
5.4%inclusion12 decks223 decks
1%synergy
Sorceries
Doomsday
26%inclusion58 decks223 decks
25%synergy
Feed the Swarm
21%inclusion46 decks223 decks
-21%synergy
Faithless Looting
21%inclusion46 decks223 decks
-7%synergy
Into the Fire
20%inclusion45 decks223 decks
19%synergy
Read the Bones
18%inclusion41 decks223 decks
6%synergy
Blasphemous Act
16%inclusion36 decks223 decks
-34%synergy
Dread Return
15%inclusion33 decks223 decks
10%synergy
Diabolic Intent
14%inclusion32 decks223 decks
6%synergy
Agadeem's Awakening
11%inclusion24 decks223 decks
7%synergy
Reanimate
11%inclusion24 decks223 decks
-12%synergy
Toxic Deluge
10%inclusion23 decks223 decks
-7%synergy
Vandalblast
9.0%inclusion20 decks223 decks
-21%synergy
Sundering Eruption
7.2%inclusion16 decks223 decks
2%synergy
Diabolic Tutor
6.7%inclusion15 decks223 decks
1%synergy
Buried Alive
6.7%inclusion15 decks223 decks
2%synergy
Rite of Flame
6.7%inclusion15 decks223 decks
2%synergy
Grim Tutor
6.3%inclusion14 decks223 decks
2%synergy
Victimize
5.8%inclusion13 decks223 decks
-9%synergy
Living Death
5.8%inclusion13 decks223 decks
2%synergy
Sozin's Comet
5.8%inclusion7 decks121 decks
2%synergy
Beseech the Mirror
5.4%inclusion12 decks223 decks
2%synergy
Utility Artifacts
Lightning Greaves
22%inclusion48 decks223 decks
-14%synergy
Skullclamp
21%inclusion47 decks223 decks
11%synergy
Phyrexian Altar
20%inclusion44 decks223 decks
14%synergy
Reito Lantern
18%inclusion40 decks223 decks
18%synergy
Crystal Ball
17%inclusion39 decks223 decks
17%synergy
Teferi's Puzzle Box
16%inclusion36 decks223 decks
15%synergy
Cloak and Dagger
13%inclusion29 decks223 decks
13%synergy
Darksteel Pendant
12%inclusion26 decks223 decks
11%synergy
Soldevi Digger
12%inclusion26 decks223 decks
12%synergy
Thornbite Staff
11%inclusion25 decks223 decks
11%synergy
Wishclaw Talisman
11%inclusion24 decks223 decks
5%synergy
Swiftfoot Boots
10%inclusion22 decks223 decks
-22%synergy
Desecrated Tomb
9.4%inclusion21 decks223 decks
9%synergy
Nim Deathmantle
8.1%inclusion18 decks223 decks
7%synergy
Planetarium of Wan Shi Tong
7.4%inclusion9 decks121 decks
7%synergy
Illusionist's Bracers
7.2%inclusion16 decks223 decks
6%synergy
Goblin Charbelcher
6.3%inclusion14 decks223 decks
6%synergy
Defense Grid
5.4%inclusion12 decks223 decks
3%synergy
Enchantments
Goblin Bombardment
29%inclusion64 decks223 decks
19%synergy
Impact Tremors
19%inclusion42 decks223 decks
7%synergy
Mana Echoes
17%inclusion39 decks223 decks
17%synergy
Braid of Fire
15%inclusion34 decks223 decks
13%synergy
Thran Vigil
10%inclusion22 decks223 decks
9%synergy
Underworld Breach
7.6%inclusion17 decks223 decks
1%synergy
Shadows of the Past
7.6%inclusion17 decks223 decks
7%synergy
Animate Dead
7.6%inclusion17 decks223 decks
-2%synergy
Fires of Invention
6.7%inclusion15 decks223 decks
7%synergy
Mindmoil
6.7%inclusion15 decks223 decks
7%synergy
Teval's Judgment
6.5%inclusion11 decks168 decks
6%synergy
Necropotence
5.8%inclusion13 decks223 decks
0%synergy
Chthonian Nightmare
5.8%inclusion13 decks223 decks
4%synergy
Utility Lands
Buried Ruin
43%inclusion97 decks223 decks
40%synergy
Zhalfirin Void
37%inclusion82 decks223 decks
36%synergy
Phyrexian Tower
32%inclusion71 decks223 decks
21%synergy
Urborg, Tomb of Yawgmoth
28%inclusion62 decks223 decks
9%synergy
Great Furnace
27%inclusion60 decks223 decks
21%synergy
Vault of Whispers
25%inclusion56 decks223 decks
19%synergy
Bojuka Bog
24%inclusion53 decks223 decks
-12%synergy
Nykthos, Shrine to Nyx
13%inclusion29 decks223 decks
11%synergy
Takenuma, Abandoned Mire
13%inclusion28 decks223 decks
4%synergy
Urza's Saga
11%inclusion25 decks223 decks
5%synergy
Inventors' Fair
10%inclusion23 decks223 decks
9%synergy
Fire Nation Palace
10%inclusion12 decks120 decks
5%synergy
Spinerock Knoll
8.5%inclusion19 decks223 decks
-1%synergy
Drownyard Temple
8.1%inclusion18 decks223 decks
7%synergy
Temple of the False God
8.1%inclusion18 decks223 decks
-2%synergy
Three Tree City
7.8%inclusion17 decks218 decks
5%synergy
High Market
7.6%inclusion17 decks223 decks
3%synergy
Dakmor Salvage
7.6%inclusion17 decks223 decks
7%synergy
Isolated Watchtower
7.2%inclusion16 decks223 decks
7%synergy
Cabal Coffers
7.2%inclusion16 decks223 decks
-2%synergy
Command Beacon
5.4%inclusion12 decks223 decks
-1%synergy
Den of the Bugbear
5.4%inclusion12 decks223 decks
4%synergy
Mana Artifacts
Sol Ring
84%inclusion187 decks223 decks
-2%synergy
Arcane Signet
45%inclusion101 decks223 decks
-37%synergy
Rakdos Signet
35%inclusion79 decks223 decks
-22%synergy
Talisman of Indulgence
35%inclusion77 decks223 decks
-21%synergy
Thran Turbine
30%inclusion67 decks223 decks
29%synergy
Fellwar Stone
16%inclusion36 decks223 decks
-17%synergy
Lotus Petal
11%inclusion24 decks223 decks
3%synergy
Mox Amber
11%inclusion24 decks223 decks
6%synergy
Mox Opal
9.0%inclusion20 decks223 decks
5%synergy
Springleaf Drum
6.3%inclusion14 decks223 decks
4%synergy
Lion's Eye Diamond
5.8%inclusion13 decks223 decks
3%synergy
Mind Stone
5.8%inclusion13 decks223 decks
-22%synergy
Lands
Swamp
94%inclusion210 decks223 decks
-3%synergy
Mountain
92%inclusion206 decks223 decks
-5%synergy
Command Tower
87%inclusion194 decks223 decks
1%synergy
Blood Crypt
63%inclusion141 decks223 decks
17%synergy
Dragonskull Summit
58%inclusion129 decks223 decks
-6%synergy
Sulfurous Springs
55%inclusion123 decks223 decks
8%synergy
Temple of Malice
54%inclusion120 decks223 decks
21%synergy
Smoldering Marsh
52%inclusion115 decks223 decks
-12%synergy
Graven Cairns
49%inclusion110 decks223 decks
18%synergy
Luxury Suite
47%inclusion105 decks223 decks
9%synergy
Bloodstained Mire
44%inclusion99 decks223 decks
11%synergy
Valakut Awakening
42%inclusion93 decks223 decks
34%synergy
Path of Ancestry
41%inclusion92 decks223 decks
25%synergy
Boggart Trawler
38%inclusion84 decks223 decks
31%synergy
Shadowblood Ridge
33%inclusion73 decks223 decks
-2%synergy
Blightstep Pathway
29%inclusion64 decks223 decks
6%synergy
Pinnacle Monk
29%inclusion64 decks223 decks
22%synergy
Tainted Peak
27%inclusion61 decks223 decks
-16%synergy
Foreboding Ruins
26%inclusion59 decks223 decks
-19%synergy
Crystal Grotto
26%inclusion59 decks223 decks
26%synergy
Haunted Ridge
26%inclusion58 decks223 decks
-10%synergy
Rakdos Carnarium
26%inclusion57 decks223 decks
-6%synergy
Blazemire Verge
25%inclusion52 decks207 decks
-6%synergy
Badlands
23%inclusion52 decks223 decks
10%synergy
Exotic Orchard
22%inclusion50 decks223 decks
-9%synergy
Raucous Theater
22%inclusion48 decks223 decks
0%synergy
Cavern of Souls
21%inclusion47 decks223 decks
16%synergy
The Grey Havens
19%inclusion43 decks223 decks
19%synergy
Polluted Delta
17%inclusion39 decks223 decks
10%synergy
Auntie's Hovel
17%inclusion38 decks223 decks
15%synergy
Rumble Arena
17%inclusion20 decks120 decks
16%synergy
Arid Mesa
15%inclusion34 decks223 decks
7%synergy
Scalding Tarn
15%inclusion34 decks223 decks
8%synergy
Marsh Flats
15%inclusion34 decks223 decks
7%synergy
Canyon Slough
15%inclusion33 decks223 decks
-5%synergy
Blackcleave Cliffs
15%inclusion33 decks223 decks
-6%synergy
Gemstone Caverns
15%inclusion33 decks223 decks
10%synergy
Wooded Foothills
14%inclusion32 decks223 decks
7%synergy
Evolving Wilds
14%inclusion31 decks223 decks
-7%synergy
Terramorphic Expanse
13%inclusion30 decks223 decks
-2%synergy
Verdant Catacombs
13%inclusion29 decks223 decks
6%synergy
Mount Doom
13%inclusion29 decks223 decks
-3%synergy
Fell the Profane
13%inclusion28 decks223 decks
0%synergy
City of Brass
13%inclusion28 decks223 decks
6%synergy
Prismatic Vista
12%inclusion26 decks223 decks
6%synergy
Agadeem's Awakening
11%inclusion24 decks223 decks
7%synergy
Myriad Landscape
10%inclusion23 decks223 decks
-7%synergy
Mana Confluence
10%inclusion23 decks223 decks
5%synergy
Malakir Rebirth
10%inclusion22 decks223 decks
-5%synergy
Fabled Passage
8.5%inclusion19 decks223 decks
0%synergy
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