Grenzo, Dungeon Warden (Commander) - Upgraded

Grenzo, Dungeon Warden
Rank #542
437decks
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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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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Bolg's Company
15%inclusion7 decks48 decks
7%synergy
Great Fierce Bee
15%inclusion7 decks48 decks
14%synergy
Azog, Moria's Ruin
8.9%inclusion5 decks56 decks
3%synergy
Undead Hand Ninja
7.1%inclusion8 decks113 decks
7%synergy
Troop of Ponies
6.3%inclusion3 decks48 decks
5%synergy
High Synergy Cards
Heartstone
76%inclusion332 decks437 decks
74%synergy
Siege-Gang Commander
65%inclusion284 decks437 decks
61%synergy
Barkform Harvester
62%inclusion270 decks437 decks
61%synergy
Tel-Jilad Stylus
60%inclusion262 decks437 decks
59%synergy
Ashnod's Altar
69%inclusion302 decks437 decks
59%synergy
The Cauldron of Eternity
60%inclusion262 decks437 decks
59%synergy
Tomb Trawler
57%inclusion248 decks437 decks
56%synergy
Sling-Gang Lieutenant
58%inclusion254 decks437 decks
55%synergy
Workhorse
54%inclusion236 decks437 decks
53%synergy
Skirk Prospector
58%inclusion253 decks437 decks
53%synergy
Top Cards
Viscera Seer
61%inclusion267 decks437 decks
52%synergy
Kiki-Jiki, Mirror Breaker
57%inclusion247 decks437 decks
52%synergy
Murderous Redcap
54%inclusion237 decks437 decks
51%synergy
Pitiless Plunderer
52%inclusion227 decks437 decks
39%synergy
Priest of Gix
51%inclusion225 decks437 decks
49%synergy
Priest of Urabrask
51%inclusion223 decks437 decks
49%synergy
Goblin Matron
49%inclusion215 decks437 decks
46%synergy
Krenko, Mob Boss
49%inclusion213 decks437 decks
44%synergy
Solemn Simulacrum
49%inclusion212 decks437 decks
30%synergy
Hoverstone Pilgrim
47%inclusion206 decks437 decks
47%synergy
Game Changers
Ancient Tomb
14%inclusion59 decks437 decks
4%synergy
Gamble
12%inclusion51 decks437 decks
2%synergy
Jeska's Will
11%inclusion46 decks437 decks
-13%synergy
Demonic Tutor
9.4%inclusion41 decks437 decks
-8%synergy
Vampiric Tutor
7.3%inclusion32 decks437 decks
-6%synergy
Orcish Bowmasters
6.9%inclusion30 decks437 decks
-4%synergy
Creatures
Palladium Myr
47%inclusion204 decks437 decks
45%synergy
Goblin Engineer
45%inclusion198 decks437 decks
41%synergy
Mad Auntie
45%inclusion198 decks437 decks
43%synergy
Gray Merchant of Asphodel
43%inclusion189 decks437 decks
33%synergy
Zulaport Cutthroat
42%inclusion183 decks437 decks
34%synergy
Boggart Trawler
41%inclusion179 decks437 decks
34%synergy
Junktroller
38%inclusion168 decks437 decks
38%synergy
Meteor Golem
37%inclusion162 decks437 decks
35%synergy
Warren Soultrader
37%inclusion162 decks437 decks
29%synergy
Ravenous Chupacabra
37%inclusion160 decks437 decks
35%synergy
Goblin Welder
37%inclusion160 decks437 decks
34%synergy
Iron Myr
36%inclusion159 decks437 decks
34%synergy
Pawn of Ulamog
36%inclusion158 decks437 decks
34%synergy
Metallic Mimic
36%inclusion156 decks437 decks
34%synergy
Leaden Myr
35%inclusion154 decks437 decks
33%synergy
Goblin Trashmaster
35%inclusion153 decks437 decks
33%synergy
Woe Strider
35%inclusion152 decks437 decks
32%synergy
Epitaph Golem
35%inclusion151 decks437 decks
34%synergy
Goblin Warchief
34%inclusion149 decks437 decks
31%synergy
Goblin Chieftain
34%inclusion148 decks437 decks
32%synergy
Blood Artist
33%inclusion144 decks437 decks
14%synergy
Goblin Chirurgeon
32%inclusion138 decks437 decks
30%synergy
Beetleback Chief
32%inclusion138 decks437 decks
30%synergy
Bronze Walrus
31%inclusion135 decks437 decks
30%synergy
Ornithopter of Paradise
31%inclusion135 decks437 decks
27%synergy
Pashalik Mons
30%inclusion132 decks437 decks
28%synergy
Duplicant
30%inclusion132 decks437 decks
30%synergy
Emrakul's Hatcher
29%inclusion128 decks437 decks
29%synergy
Mogg War Marshal
27%inclusion120 decks437 decks
25%synergy
Anger
27%inclusion116 decks437 decks
14%synergy
Zealous Conscripts
27%inclusion116 decks437 decks
25%synergy
Munitions Expert
26%inclusion115 decks437 decks
24%synergy
Pinnacle Monk
26%inclusion115 decks437 decks
19%synergy
Chainer, Nightmare Adept
25%inclusion111 decks437 decks
18%synergy
Imperial Recruiter
24%inclusion107 decks437 decks
20%synergy
Crypt Ghast
24%inclusion106 decks437 decks
22%synergy
Warteye Witch
24%inclusion103 decks437 decks
23%synergy
Conspicuous Snoop
23%inclusion101 decks437 decks
21%synergy
Goblin King
23%inclusion99 decks437 decks
21%synergy
Treasonous Ogre
22%inclusion98 decks437 decks
19%synergy
Boggart Cursecrafter
22%inclusion61 decks277 decks
17%synergy
Boggart Harbinger
22%inclusion94 decks437 decks
20%synergy
Krenko, Tin Street Kingpin
22%inclusion94 decks437 decks
17%synergy
Goblin Recruiter
21%inclusion92 decks437 decks
19%synergy
Twilight Diviner
21%inclusion57 decks277 decks
19%synergy
Goblin Sharpshooter
20%inclusion89 decks437 decks
19%synergy
Marionette Master
20%inclusion88 decks437 decks
14%synergy
Murderous Rider
20%inclusion88 decks437 decks
19%synergy
Marionette Apprentice
20%inclusion87 decks437 decks
10%synergy
Frogtosser Banneret
19%inclusion85 decks437 decks
17%synergy
Instants
Valakut Awakening
43%inclusion190 decks437 decks
36%synergy
Chaos Warp
28%inclusion124 decks437 decks
-19%synergy
Fire Prophecy
25%inclusion111 decks437 decks
25%synergy
Volcanic Spite
24%inclusion105 decks437 decks
24%synergy
Dark Ritual
21%inclusion91 decks437 decks
-22%synergy
Terminate
16%inclusion71 decks437 decks
-23%synergy
Brightstone Ritual
16%inclusion68 decks437 decks
14%synergy
Rakdos Charm
15%inclusion66 decks437 decks
-28%synergy
Fell the Profane
14%inclusion62 decks437 decks
1%synergy
Bedevil
13%inclusion57 decks437 decks
-21%synergy
Malakir Rebirth
12%inclusion54 decks437 decks
-3%synergy
Deflecting Swat
8.7%inclusion38 decks437 decks
-13%synergy
Battle Hymn
7.8%inclusion34 decks437 decks
6%synergy
Village Rites
6.9%inclusion30 decks437 decks
-9%synergy
Withering Torment
6.6%inclusion29 decks437 decks
-15%synergy
Deadly Rollick
6.4%inclusion28 decks437 decks
-16%synergy
Abrade
6.4%inclusion28 decks437 decks
-15%synergy
Lightning Bolt
5.3%inclusion23 decks437 decks
-13%synergy
Tibalt's Trickery
5.0%inclusion22 decks437 decks
-8%synergy
Sorceries
Blasphemous Act
24%inclusion107 decks437 decks
-27%synergy
Read the Bones
21%inclusion91 decks437 decks
9%synergy
Into the Fire
19%inclusion82 decks437 decks
18%synergy
Feed the Swarm
18%inclusion80 decks437 decks
-23%synergy
Faithless Looting
16%inclusion68 decks437 decks
-12%synergy
Vandalblast
13%inclusion55 decks437 decks
-17%synergy
Agadeem's Awakening
11%inclusion49 decks437 decks
8%synergy
Dread Return
11%inclusion48 decks437 decks
7%synergy
Doomsday
10%inclusion43 decks437 decks
9%synergy
Living Death
10%inclusion42 decks437 decks
6%synergy
Victimize
9.4%inclusion41 decks437 decks
-5%synergy
Toxic Deluge
8.9%inclusion39 decks437 decks
-8%synergy
Reanimate
8.2%inclusion36 decks437 decks
-15%synergy
Diabolic Intent
7.1%inclusion31 decks437 decks
-1%synergy
Sundering Eruption
7.1%inclusion31 decks437 decks
2%synergy
Mana Geyser
6.9%inclusion30 decks437 decks
-6%synergy
Sinister Waltz
6.4%inclusion28 decks437 decks
5%synergy
Diabolic Tutor
6.2%inclusion27 decks437 decks
0%synergy
Grub's Command
5.7%inclusion16 decks279 decks
3%synergy
Buried Alive
5.7%inclusion25 decks437 decks
1%synergy
Patriarch's Bidding
5.5%inclusion24 decks437 decks
3%synergy
Goblin War Strike
5.5%inclusion24 decks437 decks
5%synergy
Utility Artifacts
Skullclamp
24%inclusion107 decks437 decks
14%synergy
Lightning Greaves
22%inclusion97 decks437 decks
-13%synergy
Teferi's Puzzle Box
20%inclusion89 decks437 decks
20%synergy
Crystal Ball
16%inclusion71 decks437 decks
16%synergy
Cloak and Dagger
16%inclusion69 decks437 decks
15%synergy
Reito Lantern
16%inclusion68 decks437 decks
15%synergy
Swiftfoot Boots
15%inclusion64 decks437 decks
-17%synergy
Darksteel Pendant
13%inclusion58 decks437 decks
13%synergy
Phyrexian Altar
13%inclusion58 decks437 decks
8%synergy
Desecrated Tomb
13%inclusion55 decks437 decks
12%synergy
Soldevi Digger
8.9%inclusion39 decks437 decks
9%synergy
Goblin Charbelcher
7.8%inclusion34 decks437 decks
8%synergy
Illusionist's Bracers
7.6%inclusion33 decks437 decks
7%synergy
Crucible of Worlds
5.5%inclusion24 decks437 decks
5%synergy
Thornbite Staff
5.0%inclusion22 decks437 decks
4%synergy
Enchantments
Goblin Bombardment
30%inclusion131 decks437 decks
20%synergy
Impact Tremors
26%inclusion113 decks437 decks
15%synergy
Braid of Fire
17%inclusion73 decks437 decks
15%synergy
Mana Echoes
14%inclusion62 decks437 decks
14%synergy
Boggart Mischief
10%inclusion29 decks279 decks
6%synergy
Shared Animosity
7.1%inclusion31 decks437 decks
4%synergy
Phyrexian Arena
6.4%inclusion28 decks437 decks
-17%synergy
Mindmoil
6.2%inclusion27 decks437 decks
6%synergy
Shadows of the Past
5.9%inclusion26 decks437 decks
6%synergy
Thran Vigil
5.5%inclusion24 decks437 decks
4%synergy
Black Market
5.3%inclusion23 decks437 decks
1%synergy
Utility Lands
Zhalfirin Void
38%inclusion166 decks437 decks
37%synergy
Buried Ruin
33%inclusion143 decks437 decks
29%synergy
Bojuka Bog
28%inclusion122 decks437 decks
-8%synergy
Phyrexian Tower
27%inclusion117 decks437 decks
16%synergy
Urborg, Tomb of Yawgmoth
24%inclusion107 decks437 decks
6%synergy
Great Furnace
19%inclusion85 decks437 decks
13%synergy
Vault of Whispers
19%inclusion82 decks437 decks
12%synergy
Three Tree City
11%inclusion49 decks437 decks
8%synergy
Nykthos, Shrine to Nyx
10%inclusion43 decks437 decks
8%synergy
Takenuma, Abandoned Mire
10%inclusion43 decks437 decks
1%synergy
Temple of the False God
9.4%inclusion41 decks437 decks
-0%synergy
Den of the Bugbear
9.4%inclusion41 decks437 decks
8%synergy
Spinerock Knoll
8.9%inclusion39 decks437 decks
-0%synergy
Cabal Coffers
8.5%inclusion37 decks437 decks
-1%synergy
High Market
7.6%inclusion33 decks437 decks
3%synergy
Inventors' Fair
6.9%inclusion30 decks437 decks
5%synergy
Castle Embereth
6.9%inclusion30 decks437 decks
4%synergy
Drownyard Temple
6.6%inclusion29 decks437 decks
5%synergy
Isolated Watchtower
6.4%inclusion28 decks437 decks
6%synergy
Urza's Saga
6.4%inclusion28 decks437 decks
0%synergy
Darksteel Citadel
5.9%inclusion26 decks437 decks
2%synergy
Spymaster's Vault
5.7%inclusion25 decks437 decks
2%synergy
Command Beacon
5.7%inclusion25 decks437 decks
-1%synergy
Fire Nation Palace
5.1%inclusion16 decks314 decks
0%synergy
Mana Artifacts
Sol Ring
77%inclusion336 decks437 decks
-9%synergy
Arcane Signet
46%inclusion201 decks437 decks
-36%synergy
Rakdos Signet
32%inclusion141 decks437 decks
-24%synergy
Thran Turbine
30%inclusion133 decks437 decks
30%synergy
Talisman of Indulgence
27%inclusion119 decks437 decks
-28%synergy
Fellwar Stone
10%inclusion42 decks437 decks
-24%synergy
Mind Stone
8.5%inclusion37 decks437 decks
-19%synergy
Lands
Mountain
98%inclusion427 decks437 decks
0%synergy
Swamp
97%inclusion426 decks437 decks
-0%synergy
Command Tower
86%inclusion375 decks437 decks
-0%synergy
Dragonskull Summit
65%inclusion282 decks437 decks
0%synergy
Temple of Malice
59%inclusion256 decks437 decks
26%synergy
Blood Crypt
57%inclusion247 decks437 decks
9%synergy
Smoldering Marsh
56%inclusion244 decks437 decks
-8%synergy
Sulfurous Springs
52%inclusion229 decks437 decks
4%synergy
Luxury Suite
44%inclusion192 decks437 decks
6%synergy
Valakut Awakening
43%inclusion190 decks437 decks
36%synergy
Graven Cairns
41%inclusion179 decks437 decks
9%synergy
Boggart Trawler
41%inclusion179 decks437 decks
34%synergy
Bloodstained Mire
38%inclusion167 decks437 decks
5%synergy
Path of Ancestry
38%inclusion166 decks437 decks
22%synergy
Shadowblood Ridge
34%inclusion147 decks437 decks
-1%synergy
Rakdos Carnarium
32%inclusion142 decks437 decks
2%synergy
Foreboding Ruins
31%inclusion136 decks437 decks
-15%synergy
Tainted Peak
30%inclusion132 decks437 decks
-13%synergy
Haunted Ridge
29%inclusion128 decks437 decks
-7%synergy
Blightstep Pathway
26%inclusion115 decks437 decks
4%synergy
Pinnacle Monk
26%inclusion115 decks437 decks
19%synergy
Blazemire Verge
26%inclusion114 decks437 decks
-5%synergy
Crystal Grotto
25%inclusion110 decks437 decks
25%synergy
Exotic Orchard
22%inclusion98 decks437 decks
-8%synergy
Raucous Theater
20%inclusion87 decks437 decks
-2%synergy
The Grey Havens
19%inclusion83 decks437 decks
18%synergy
Auntie's Hovel
18%inclusion78 decks437 decks
16%synergy
Badlands
17%inclusion75 decks437 decks
4%synergy
Blackcleave Cliffs
16%inclusion71 decks437 decks
-4%synergy
Evolving Wilds
16%inclusion68 decks437 decks
-5%synergy
Canyon Slough
14%inclusion63 decks437 decks
-5%synergy
Fell the Profane
14%inclusion62 decks437 decks
1%synergy
Cavern of Souls
13%inclusion57 decks437 decks
8%synergy
Malakir Rebirth
12%inclusion54 decks437 decks
-3%synergy
Agadeem's Awakening
11%inclusion49 decks437 decks
8%synergy
Terramorphic Expanse
11%inclusion48 decks437 decks
-4%synergy
Blackbloom Rogue
11%inclusion48 decks437 decks
11%synergy
Rumble Arena
11%inclusion34 decks312 decks
10%synergy
Polluted Delta
10%inclusion44 decks437 decks
2%synergy
Fabled Passage
10%inclusion43 decks437 decks
1%synergy
Arid Mesa
8.9%inclusion39 decks437 decks
1%synergy
Prismatic Vista
8.7%inclusion38 decks437 decks
3%synergy
Opal Palace
8.7%inclusion38 decks437 decks
7%synergy
Myriad Landscape
8.5%inclusion37 decks437 decks
-8%synergy
Bloodfell Caves
8.5%inclusion37 decks437 decks
-10%synergy
Wooded Foothills
8.5%inclusion37 decks437 decks
1%synergy
Marsh Flats
8.0%inclusion35 decks437 decks
0%synergy
Mount Doom
7.8%inclusion34 decks437 decks
-8%synergy
Scalding Tarn
7.3%inclusion32 decks437 decks
0%synergy
Plaza of Heroes
7.1%inclusion31 decks437 decks
5%synergy
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