Grenzo, Dungeon Warden (Commander) - Upgraded

Grenzo, Dungeon Warden
Rank #538
421decks
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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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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Elven Passage
25%inclusion1 decks4 decks
25%synergy
Undead Hand Ninja
10%inclusion9 decks87 decks
10%synergy
Azog, Moria's Ruin
10%inclusion2 decks21 decks
7%synergy
Hammerhead, Maggia Boss
3.4%inclusion3 decks87 decks
3%synergy
Dark Fortress
2.2%inclusion2 decks89 decks
-6%synergy
High Synergy Cards
Heartstone
76%inclusion318 decks421 decks
73%synergy
Siege-Gang Commander
65%inclusion272 decks421 decks
61%synergy
Barkform Harvester
61%inclusion258 decks421 decks
60%synergy
Tel-Jilad Stylus
61%inclusion256 decks421 decks
60%synergy
The Cauldron of Eternity
60%inclusion253 decks421 decks
59%synergy
Ashnod's Altar
69%inclusion291 decks421 decks
59%synergy
Tomb Trawler
57%inclusion238 decks421 decks
56%synergy
Sling-Gang Lieutenant
58%inclusion245 decks421 decks
55%synergy
Workhorse
54%inclusion227 decks421 decks
53%synergy
Skirk Prospector
57%inclusion242 decks421 decks
53%synergy
Top Cards
Viscera Seer
61%inclusion256 decks421 decks
52%synergy
Kiki-Jiki, Mirror Breaker
57%inclusion238 decks421 decks
52%synergy
Murderous Redcap
54%inclusion229 decks421 decks
51%synergy
Pitiless Plunderer
52%inclusion220 decks421 decks
39%synergy
Priest of Gix
51%inclusion215 decks421 decks
49%synergy
Priest of Urabrask
51%inclusion215 decks421 decks
49%synergy
Solemn Simulacrum
49%inclusion207 decks421 decks
30%synergy
Goblin Matron
49%inclusion205 decks421 decks
45%synergy
Krenko, Mob Boss
48%inclusion203 decks421 decks
44%synergy
Palladium Myr
47%inclusion197 decks421 decks
46%synergy
Game Changers
Ancient Tomb
13%inclusion54 decks421 decks
4%synergy
Gamble
11%inclusion48 decks421 decks
2%synergy
Jeska's Will
10%inclusion41 decks421 decks
-14%synergy
Demonic Tutor
8.8%inclusion37 decks421 decks
-9%synergy
Orcish Bowmasters
6.4%inclusion27 decks421 decks
-4%synergy
Vampiric Tutor
6.4%inclusion27 decks421 decks
-7%synergy
Creatures
Hoverstone Pilgrim
46%inclusion195 decks421 decks
46%synergy
Mad Auntie
45%inclusion188 decks421 decks
43%synergy
Goblin Engineer
44%inclusion187 decks421 decks
40%synergy
Gray Merchant of Asphodel
44%inclusion184 decks421 decks
33%synergy
Zulaport Cutthroat
43%inclusion181 decks421 decks
35%synergy
Boggart Trawler
41%inclusion173 decks421 decks
34%synergy
Junktroller
38%inclusion160 decks421 decks
37%synergy
Meteor Golem
38%inclusion159 decks421 decks
35%synergy
Warren Soultrader
37%inclusion157 decks421 decks
29%synergy
Iron Myr
37%inclusion157 decks421 decks
35%synergy
Ravenous Chupacabra
37%inclusion155 decks421 decks
35%synergy
Pawn of Ulamog
36%inclusion153 decks421 decks
34%synergy
Leaden Myr
36%inclusion153 decks421 decks
34%synergy
Goblin Welder
36%inclusion152 decks421 decks
33%synergy
Metallic Mimic
36%inclusion152 decks421 decks
34%synergy
Goblin Trashmaster
36%inclusion150 decks421 decks
34%synergy
Woe Strider
35%inclusion148 decks421 decks
33%synergy
Epitaph Golem
35%inclusion148 decks421 decks
35%synergy
Goblin Chieftain
33%inclusion141 decks421 decks
31%synergy
Blood Artist
33%inclusion141 decks421 decks
15%synergy
Goblin Warchief
33%inclusion141 decks421 decks
31%synergy
Beetleback Chief
32%inclusion135 decks421 decks
31%synergy
Goblin Chirurgeon
31%inclusion132 decks421 decks
30%synergy
Ornithopter of Paradise
31%inclusion132 decks421 decks
28%synergy
Bronze Walrus
30%inclusion128 decks421 decks
30%synergy
Duplicant
30%inclusion128 decks421 decks
30%synergy
Pashalik Mons
30%inclusion126 decks421 decks
28%synergy
Emrakul's Hatcher
29%inclusion124 decks421 decks
29%synergy
Mogg War Marshal
28%inclusion118 decks421 decks
26%synergy
Zealous Conscripts
28%inclusion116 decks421 decks
26%synergy
Pinnacle Monk
27%inclusion112 decks421 decks
19%synergy
Anger
27%inclusion112 decks421 decks
14%synergy
Munitions Expert
26%inclusion111 decks421 decks
24%synergy
Chainer, Nightmare Adept
25%inclusion105 decks421 decks
17%synergy
Crypt Ghast
24%inclusion102 decks421 decks
22%synergy
Imperial Recruiter
24%inclusion102 decks421 decks
20%synergy
Warteye Witch
24%inclusion101 decks421 decks
23%synergy
Conspicuous Snoop
23%inclusion97 decks421 decks
21%synergy
Goblin King
22%inclusion94 decks421 decks
21%synergy
Treasonous Ogre
22%inclusion94 decks421 decks
19%synergy
Krenko, Tin Street Kingpin
22%inclusion92 decks421 decks
18%synergy
Boggart Cursecrafter
22%inclusion56 decks257 decks
17%synergy
Marionette Master
21%inclusion88 decks421 decks
15%synergy
Boggart Harbinger
21%inclusion88 decks421 decks
19%synergy
Goblin Recruiter
21%inclusion87 decks421 decks
19%synergy
Goblin Sharpshooter
20%inclusion86 decks421 decks
19%synergy
Twilight Diviner
20%inclusion52 decks257 decks
19%synergy
Murderous Rider
20%inclusion85 decks421 decks
19%synergy
Marionette Apprentice
20%inclusion84 decks421 decks
11%synergy
Mayhem Devil
19%inclusion81 decks421 decks
-5%synergy
Instants
Valakut Awakening
45%inclusion188 decks421 decks
37%synergy
Chaos Warp
28%inclusion118 decks421 decks
-19%synergy
Fire Prophecy
26%inclusion108 decks421 decks
25%synergy
Volcanic Spite
24%inclusion102 decks421 decks
24%synergy
Dark Ritual
21%inclusion87 decks421 decks
-22%synergy
Terminate
16%inclusion68 decks421 decks
-24%synergy
Brightstone Ritual
15%inclusion65 decks421 decks
14%synergy
Rakdos Charm
15%inclusion62 decks421 decks
-29%synergy
Fell the Profane
14%inclusion61 decks421 decks
2%synergy
Bedevil
13%inclusion56 decks421 decks
-21%synergy
Malakir Rebirth
12%inclusion49 decks421 decks
-4%synergy
Battle Hymn
8.1%inclusion34 decks421 decks
7%synergy
Deflecting Swat
7.8%inclusion33 decks421 decks
-13%synergy
Village Rites
6.9%inclusion29 decks421 decks
-9%synergy
Deadly Rollick
6.2%inclusion26 decks421 decks
-16%synergy
Abrade
6.2%inclusion26 decks421 decks
-15%synergy
Withering Torment
6.2%inclusion26 decks421 decks
-15%synergy
Lightning Bolt
5.2%inclusion22 decks421 decks
-13%synergy
Manhole Missile
5.0%inclusion11 decks218 decks
5%synergy
Sorceries
Blasphemous Act
25%inclusion104 decks421 decks
-26%synergy
Read the Bones
21%inclusion88 decks421 decks
9%synergy
Into the Fire
19%inclusion80 decks421 decks
18%synergy
Feed the Swarm
18%inclusion76 decks421 decks
-23%synergy
Faithless Looting
16%inclusion67 decks421 decks
-12%synergy
Vandalblast
12%inclusion51 decks421 decks
-18%synergy
Dread Return
12%inclusion49 decks421 decks
7%synergy
Agadeem's Awakening
11%inclusion46 decks421 decks
7%synergy
Doomsday
10%inclusion41 decks421 decks
9%synergy
Living Death
10%inclusion41 decks421 decks
6%synergy
Victimize
10%inclusion40 decks421 decks
-5%synergy
Toxic Deluge
9.0%inclusion38 decks421 decks
-8%synergy
Reanimate
7.8%inclusion33 decks421 decks
-15%synergy
Diabolic Intent
7.1%inclusion30 decks421 decks
-1%synergy
Sundering Eruption
7.1%inclusion30 decks421 decks
2%synergy
Mana Geyser
6.9%inclusion29 decks421 decks
-6%synergy
Sinister Waltz
6.4%inclusion27 decks421 decks
5%synergy
Diabolic Tutor
6.2%inclusion26 decks421 decks
0%synergy
Patriarch's Bidding
5.9%inclusion25 decks421 decks
3%synergy
Goblin War Strike
5.7%inclusion24 decks421 decks
5%synergy
Buried Alive
5.5%inclusion23 decks421 decks
1%synergy
Grub's Command
5.4%inclusion14 decks259 decks
2%synergy
Utility Artifacts
Skullclamp
24%inclusion103 decks421 decks
14%synergy
Lightning Greaves
22%inclusion92 decks421 decks
-13%synergy
Teferi's Puzzle Box
20%inclusion84 decks421 decks
19%synergy
Cloak and Dagger
17%inclusion70 decks421 decks
16%synergy
Crystal Ball
17%inclusion70 decks421 decks
16%synergy
Reito Lantern
15%inclusion65 decks421 decks
15%synergy
Swiftfoot Boots
15%inclusion63 decks421 decks
-17%synergy
Phyrexian Altar
13%inclusion56 decks421 decks
8%synergy
Darksteel Pendant
13%inclusion55 decks421 decks
13%synergy
Desecrated Tomb
12%inclusion52 decks421 decks
12%synergy
Soldevi Digger
8.8%inclusion37 decks421 decks
9%synergy
Illusionist's Bracers
7.8%inclusion33 decks421 decks
7%synergy
Goblin Charbelcher
7.8%inclusion33 decks421 decks
8%synergy
Crucible of Worlds
5.7%inclusion24 decks421 decks
5%synergy
Thornbite Staff
5.2%inclusion22 decks421 decks
5%synergy
Enchantments
Goblin Bombardment
30%inclusion125 decks421 decks
20%synergy
Impact Tremors
25%inclusion104 decks421 decks
13%synergy
Braid of Fire
17%inclusion72 decks421 decks
15%synergy
Mana Echoes
15%inclusion62 decks421 decks
14%synergy
Boggart Mischief
10%inclusion27 decks259 decks
6%synergy
Shared Animosity
7.4%inclusion31 decks421 decks
4%synergy
Phyrexian Arena
6.9%inclusion29 decks421 decks
-17%synergy
Mindmoil
6.4%inclusion27 decks421 decks
6%synergy
Shadows of the Past
5.7%inclusion24 decks421 decks
5%synergy
Thran Vigil
5.5%inclusion23 decks421 decks
4%synergy
Black Market
5.2%inclusion22 decks421 decks
1%synergy
Utility Lands
Zhalfirin Void
38%inclusion159 decks421 decks
37%synergy
Buried Ruin
33%inclusion139 decks421 decks
30%synergy
Bojuka Bog
29%inclusion120 decks421 decks
-7%synergy
Phyrexian Tower
27%inclusion112 decks421 decks
16%synergy
Urborg, Tomb of Yawgmoth
24%inclusion103 decks421 decks
6%synergy
Great Furnace
20%inclusion84 decks421 decks
14%synergy
Vault of Whispers
19%inclusion80 decks421 decks
13%synergy
Three Tree City
12%inclusion49 decks421 decks
9%synergy
Nykthos, Shrine to Nyx
10%inclusion43 decks421 decks
8%synergy
Takenuma, Abandoned Mire
10%inclusion42 decks421 decks
2%synergy
Temple of the False God
10%inclusion41 decks421 decks
-0%synergy
Den of the Bugbear
9.3%inclusion39 decks421 decks
7%synergy
Spinerock Knoll
9.0%inclusion38 decks421 decks
-0%synergy
Cabal Coffers
8.3%inclusion35 decks421 decks
-1%synergy
High Market
7.4%inclusion31 decks421 decks
3%synergy
Inventors' Fair
7.1%inclusion30 decks421 decks
5%synergy
Drownyard Temple
6.9%inclusion29 decks421 decks
6%synergy
Isolated Watchtower
6.7%inclusion28 decks421 decks
6%synergy
Castle Embereth
6.7%inclusion28 decks421 decks
4%synergy
Darksteel Citadel
6.4%inclusion27 decks421 decks
2%synergy
Urza's Saga
6.2%inclusion26 decks421 decks
0%synergy
Command Beacon
5.9%inclusion25 decks421 decks
-0%synergy
Spymaster's Vault
5.5%inclusion23 decks421 decks
2%synergy
Mana Artifacts
Sol Ring
77%inclusion325 decks421 decks
-9%synergy
Arcane Signet
46%inclusion193 decks421 decks
-36%synergy
Rakdos Signet
32%inclusion135 decks421 decks
-25%synergy
Thran Turbine
31%inclusion130 decks421 decks
30%synergy
Talisman of Indulgence
27%inclusion114 decks421 decks
-28%synergy
Fellwar Stone
11%inclusion45 decks421 decks
-23%synergy
Mind Stone
8.6%inclusion36 decks421 decks
-19%synergy
Lands
Mountain
98%inclusion411 decks421 decks
0%synergy
Swamp
97%inclusion410 decks421 decks
-0%synergy
Command Tower
86%inclusion360 decks421 decks
-1%synergy
Dragonskull Summit
64%inclusion271 decks421 decks
0%synergy
Temple of Malice
59%inclusion247 decks421 decks
26%synergy
Smoldering Marsh
56%inclusion235 decks421 decks
-8%synergy
Blood Crypt
56%inclusion235 decks421 decks
8%synergy
Sulfurous Springs
51%inclusion215 decks421 decks
3%synergy
Valakut Awakening
45%inclusion188 decks421 decks
37%synergy
Luxury Suite
43%inclusion181 decks421 decks
5%synergy
Boggart Trawler
41%inclusion173 decks421 decks
34%synergy
Graven Cairns
40%inclusion169 decks421 decks
8%synergy
Path of Ancestry
38%inclusion160 decks421 decks
22%synergy
Bloodstained Mire
38%inclusion159 decks421 decks
4%synergy
Shadowblood Ridge
33%inclusion141 decks421 decks
-2%synergy
Rakdos Carnarium
33%inclusion138 decks421 decks
2%synergy
Foreboding Ruins
31%inclusion131 decks421 decks
-15%synergy
Tainted Peak
30%inclusion128 decks421 decks
-13%synergy
Haunted Ridge
29%inclusion124 decks421 decks
-7%synergy
Pinnacle Monk
27%inclusion112 decks421 decks
19%synergy
Crystal Grotto
26%inclusion109 decks421 decks
25%synergy
Blightstep Pathway
25%inclusion107 decks421 decks
3%synergy
Blazemire Verge
25%inclusion106 decks421 decks
-6%synergy
Exotic Orchard
22%inclusion94 decks421 decks
-9%synergy
Raucous Theater
19%inclusion82 decks421 decks
-2%synergy
The Grey Havens
19%inclusion81 decks421 decks
19%synergy
Auntie's Hovel
17%inclusion72 decks421 decks
16%synergy
Badlands
17%inclusion71 decks421 decks
3%synergy
Evolving Wilds
15%inclusion65 decks421 decks
-5%synergy
Blackcleave Cliffs
15%inclusion64 decks421 decks
-5%synergy
Canyon Slough
15%inclusion62 decks421 decks
-5%synergy
Fell the Profane
14%inclusion61 decks421 decks
2%synergy
Cavern of Souls
13%inclusion54 decks421 decks
8%synergy
Malakir Rebirth
12%inclusion49 decks421 decks
-4%synergy
Terramorphic Expanse
11%inclusion47 decks421 decks
-4%synergy
Agadeem's Awakening
11%inclusion46 decks421 decks
7%synergy
Blackbloom Rogue
11%inclusion45 decks421 decks
10%synergy
Rumble Arena
11%inclusion31 decks292 decks
10%synergy
Polluted Delta
10%inclusion42 decks421 decks
2%synergy
Fabled Passage
10%inclusion41 decks421 decks
1%synergy
Myriad Landscape
8.8%inclusion37 decks421 decks
-8%synergy
Opal Palace
8.8%inclusion37 decks421 decks
7%synergy
Arid Mesa
8.8%inclusion37 decks421 decks
1%synergy
Wooded Foothills
8.6%inclusion36 decks421 decks
1%synergy
Bloodfell Caves
8.3%inclusion35 decks421 decks
-10%synergy
Prismatic Vista
8.1%inclusion34 decks421 decks
3%synergy
Mount Doom
7.8%inclusion33 decks421 decks
-8%synergy
Marsh Flats
7.8%inclusion33 decks421 decks
-0%synergy
Scalding Tarn
7.6%inclusion32 decks421 decks
1%synergy
Plaza of Heroes
7.4%inclusion31 decks421 decks
6%synergy
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