Grenzo, Dungeon Warden (Commander) - Upgraded

Grenzo, Dungeon Warden
Rank #539
395decks
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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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Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Undead Hand Ninja
7.1%inclusion3 decks42 decks
7%synergy
Titania, Proud Pummeler
2.7%inclusion1 decks37 decks
2%synergy
Molecule Man
2.7%inclusion1 decks37 decks
2%synergy
Doom's Time Platform
2.7%inclusion1 decks37 decks
3%synergy
Loki's Scepter
2.6%inclusion1 decks39 decks
2%synergy
High Synergy Cards
Heartstone
76%inclusion300 decks395 decks
74%synergy
Siege-Gang Commander
66%inclusion259 decks395 decks
62%synergy
Barkform Harvester
62%inclusion246 decks395 decks
61%synergy
The Cauldron of Eternity
62%inclusion246 decks395 decks
61%synergy
Tel-Jilad Stylus
61%inclusion239 decks395 decks
60%synergy
Ashnod's Altar
69%inclusion273 decks395 decks
59%synergy
Tomb Trawler
58%inclusion229 decks395 decks
57%synergy
Sling-Gang Lieutenant
59%inclusion235 decks395 decks
56%synergy
Workhorse
55%inclusion216 decks395 decks
54%synergy
Skirk Prospector
58%inclusion229 decks395 decks
53%synergy
Top Cards
Viscera Seer
63%inclusion247 decks395 decks
53%synergy
Kiki-Jiki, Mirror Breaker
57%inclusion225 decks395 decks
53%synergy
Murderous Redcap
56%inclusion222 decks395 decks
53%synergy
Pitiless Plunderer
54%inclusion212 decks395 decks
41%synergy
Priest of Gix
51%inclusion200 decks395 decks
48%synergy
Priest of Urabrask
50%inclusion199 decks395 decks
48%synergy
Krenko, Mob Boss
50%inclusion196 decks395 decks
45%synergy
Solemn Simulacrum
49%inclusion194 decks395 decks
30%synergy
Goblin Matron
49%inclusion192 decks395 decks
45%synergy
Hoverstone Pilgrim
48%inclusion188 decks395 decks
47%synergy
Game Changers
Ancient Tomb
12%inclusion49 decks395 decks
3%synergy
Gamble
11%inclusion43 decks395 decks
1%synergy
Demonic Tutor
9.1%inclusion36 decks395 decks
-9%synergy
Jeska's Will
8.9%inclusion35 decks395 decks
-14%synergy
Orcish Bowmasters
6.8%inclusion27 decks395 decks
-3%synergy
Vampiric Tutor
6.8%inclusion27 decks395 decks
-7%synergy
Creatures
Palladium Myr
46%inclusion182 decks395 decks
45%synergy
Mad Auntie
45%inclusion179 decks395 decks
43%synergy
Goblin Engineer
45%inclusion179 decks395 decks
41%synergy
Zulaport Cutthroat
44%inclusion172 decks395 decks
35%synergy
Gray Merchant of Asphodel
43%inclusion169 decks395 decks
32%synergy
Boggart Trawler
41%inclusion163 decks395 decks
34%synergy
Iron Myr
39%inclusion153 decks395 decks
36%synergy
Meteor Golem
38%inclusion152 decks395 decks
36%synergy
Leaden Myr
38%inclusion149 decks395 decks
36%synergy
Junktroller
37%inclusion148 decks395 decks
37%synergy
Goblin Welder
37%inclusion147 decks395 decks
35%synergy
Warren Soultrader
37%inclusion145 decks395 decks
29%synergy
Metallic Mimic
36%inclusion144 decks395 decks
35%synergy
Goblin Trashmaster
36%inclusion143 decks395 decks
34%synergy
Woe Strider
36%inclusion143 decks395 decks
34%synergy
Epitaph Golem
36%inclusion143 decks395 decks
36%synergy
Pawn of Ulamog
36%inclusion142 decks395 decks
33%synergy
Ravenous Chupacabra
36%inclusion141 decks395 decks
34%synergy
Goblin Chieftain
34%inclusion136 decks395 decks
32%synergy
Blood Artist
34%inclusion134 decks395 decks
15%synergy
Goblin Warchief
34%inclusion134 decks395 decks
31%synergy
Beetleback Chief
33%inclusion132 decks395 decks
32%synergy
Goblin Chirurgeon
32%inclusion126 decks395 decks
30%synergy
Ornithopter of Paradise
32%inclusion125 decks395 decks
28%synergy
Duplicant
31%inclusion122 decks395 decks
30%synergy
Bronze Walrus
30%inclusion120 decks395 decks
30%synergy
Emrakul's Hatcher
30%inclusion118 decks395 decks
29%synergy
Pashalik Mons
30%inclusion117 decks395 decks
27%synergy
Mogg War Marshal
28%inclusion110 decks395 decks
26%synergy
Zealous Conscripts
28%inclusion109 decks395 decks
26%synergy
Munitions Expert
27%inclusion107 decks395 decks
25%synergy
Anger
27%inclusion106 decks395 decks
14%synergy
Pinnacle Monk
27%inclusion106 decks395 decks
20%synergy
Chainer, Nightmare Adept
25%inclusion97 decks395 decks
17%synergy
Warteye Witch
25%inclusion97 decks395 decks
24%synergy
Crypt Ghast
25%inclusion97 decks395 decks
22%synergy
Boggart Cursecrafter
24%inclusion56 decks230 decks
20%synergy
Imperial Recruiter
24%inclusion95 decks395 decks
20%synergy
Conspicuous Snoop
24%inclusion95 decks395 decks
22%synergy
Treasonous Ogre
23%inclusion91 decks395 decks
20%synergy
Krenko, Tin Street Kingpin
23%inclusion90 decks395 decks
19%synergy
Goblin King
23%inclusion89 decks395 decks
21%synergy
Marionette Master
22%inclusion87 decks395 decks
16%synergy
Boggart Harbinger
21%inclusion82 decks395 decks
19%synergy
Goblin Sharpshooter
21%inclusion82 decks395 decks
19%synergy
Marionette Apprentice
21%inclusion81 decks395 decks
11%synergy
Goblin Recruiter
21%inclusion81 decks395 decks
19%synergy
Murderous Rider
20%inclusion80 decks395 decks
19%synergy
Frogtosser Banneret
20%inclusion79 decks395 decks
18%synergy
Mayhem Devil
19%inclusion77 decks395 decks
-4%synergy
Instants
Valakut Awakening
46%inclusion180 decks395 decks
38%synergy
Chaos Warp
27%inclusion108 decks395 decks
-20%synergy
Fire Prophecy
27%inclusion107 decks395 decks
26%synergy
Volcanic Spite
26%inclusion101 decks395 decks
25%synergy
Dark Ritual
21%inclusion82 decks395 decks
-22%synergy
Terminate
16%inclusion64 decks395 decks
-24%synergy
Brightstone Ritual
16%inclusion63 decks395 decks
15%synergy
Rakdos Charm
14%inclusion57 decks395 decks
-29%synergy
Fell the Profane
14%inclusion54 decks395 decks
1%synergy
Bedevil
13%inclusion53 decks395 decks
-21%synergy
Malakir Rebirth
11%inclusion44 decks395 decks
-4%synergy
Battle Hymn
8.1%inclusion32 decks395 decks
7%synergy
Deflecting Swat
7.6%inclusion30 decks395 decks
-13%synergy
Village Rites
6.6%inclusion26 decks395 decks
-9%synergy
Abrade
6.3%inclusion25 decks395 decks
-15%synergy
Withering Torment
6.1%inclusion24 decks395 decks
-16%synergy
Deadly Rollick
5.6%inclusion22 decks395 decks
-16%synergy
Manhole Missile
5.3%inclusion10 decks187 decks
5%synergy
Lightning Bolt
5.3%inclusion21 decks395 decks
-13%synergy
Entomb
5.1%inclusion20 decks395 decks
-2%synergy
Sorceries
Blasphemous Act
24%inclusion95 decks395 decks
-27%synergy
Read the Bones
22%inclusion85 decks395 decks
9%synergy
Into the Fire
20%inclusion78 decks395 decks
19%synergy
Feed the Swarm
18%inclusion72 decks395 decks
-23%synergy
Faithless Looting
16%inclusion62 decks395 decks
-12%synergy
Vandalblast
12%inclusion49 decks395 decks
-18%synergy
Dread Return
12%inclusion47 decks395 decks
7%synergy
Agadeem's Awakening
11%inclusion43 decks395 decks
7%synergy
Doomsday
9.4%inclusion37 decks395 decks
9%synergy
Living Death
9.4%inclusion37 decks395 decks
5%synergy
Victimize
9.1%inclusion36 decks395 decks
-6%synergy
Toxic Deluge
8.9%inclusion35 decks395 decks
-9%synergy
Reanimate
7.8%inclusion31 decks395 decks
-15%synergy
Sundering Eruption
7.3%inclusion29 decks395 decks
2%synergy
Mana Geyser
6.8%inclusion27 decks395 decks
-6%synergy
Diabolic Intent
6.6%inclusion26 decks395 decks
-2%synergy
Sinister Waltz
6.6%inclusion26 decks395 decks
5%synergy
Diabolic Tutor
6.3%inclusion25 decks395 decks
1%synergy
Patriarch's Bidding
5.8%inclusion23 decks395 decks
3%synergy
Goblin War Strike
5.8%inclusion23 decks395 decks
5%synergy
Grub's Command
5.6%inclusion13 decks232 decks
2%synergy
Utility Artifacts
Skullclamp
24%inclusion95 decks395 decks
14%synergy
Lightning Greaves
22%inclusion85 decks395 decks
-14%synergy
Teferi's Puzzle Box
21%inclusion81 decks395 decks
20%synergy
Cloak and Dagger
17%inclusion69 decks395 decks
17%synergy
Crystal Ball
17%inclusion66 decks395 decks
16%synergy
Reito Lantern
16%inclusion62 decks395 decks
15%synergy
Swiftfoot Boots
15%inclusion60 decks395 decks
-16%synergy
Phyrexian Altar
14%inclusion54 decks395 decks
8%synergy
Desecrated Tomb
13%inclusion52 decks395 decks
13%synergy
Darksteel Pendant
13%inclusion50 decks395 decks
12%synergy
Illusionist's Bracers
8.6%inclusion34 decks395 decks
8%synergy
Soldevi Digger
8.6%inclusion34 decks395 decks
8%synergy
Goblin Charbelcher
8.1%inclusion32 decks395 decks
8%synergy
Crucible of Worlds
6.3%inclusion25 decks395 decks
6%synergy
Palantír of Orthanc
5.3%inclusion21 decks395 decks
4%synergy
Thornbite Staff
5.3%inclusion21 decks395 decks
5%synergy
Conjurer's Bauble
5.1%inclusion20 decks395 decks
5%synergy
Enchantments
Goblin Bombardment
30%inclusion119 decks395 decks
20%synergy
Impact Tremors
25%inclusion100 decks395 decks
14%synergy
Braid of Fire
18%inclusion71 decks395 decks
16%synergy
Mana Echoes
15%inclusion59 decks395 decks
14%synergy
Boggart Mischief
11%inclusion26 decks232 decks
7%synergy
Shared Animosity
7.3%inclusion29 decks395 decks
4%synergy
Phyrexian Arena
6.8%inclusion27 decks395 decks
-17%synergy
Mindmoil
6.3%inclusion25 decks395 decks
6%synergy
Shadows of the Past
5.8%inclusion23 decks395 decks
5%synergy
Thran Vigil
5.3%inclusion21 decks395 decks
4%synergy
Fires of Invention
5.1%inclusion20 decks395 decks
5%synergy
Black Market
5.1%inclusion20 decks395 decks
0%synergy
Utility Lands
Zhalfirin Void
40%inclusion158 decks395 decks
39%synergy
Buried Ruin
34%inclusion134 decks395 decks
30%synergy
Bojuka Bog
27%inclusion106 decks395 decks
-9%synergy
Phyrexian Tower
26%inclusion102 decks395 decks
15%synergy
Urborg, Tomb of Yawgmoth
25%inclusion97 decks395 decks
6%synergy
Great Furnace
20%inclusion78 decks395 decks
13%synergy
Vault of Whispers
19%inclusion77 decks395 decks
13%synergy
Three Tree City
12%inclusion46 decks395 decks
9%synergy
Nykthos, Shrine to Nyx
10%inclusion38 decks395 decks
8%synergy
Temple of the False God
10%inclusion38 decks395 decks
-0%synergy
Spinerock Knoll
9.4%inclusion37 decks395 decks
0%synergy
Den of the Bugbear
9.4%inclusion37 decks395 decks
8%synergy
Takenuma, Abandoned Mire
8.9%inclusion35 decks395 decks
0%synergy
Cabal Coffers
8.4%inclusion33 decks395 decks
-1%synergy
Drownyard Temple
7.6%inclusion30 decks395 decks
6%synergy
Isolated Watchtower
7.1%inclusion28 decks395 decks
7%synergy
Castle Embereth
6.8%inclusion27 decks395 decks
4%synergy
Inventors' Fair
6.8%inclusion27 decks395 decks
5%synergy
High Market
6.3%inclusion25 decks395 decks
2%synergy
Darksteel Citadel
6.3%inclusion25 decks395 decks
2%synergy
Urza's Saga
5.8%inclusion23 decks395 decks
-0%synergy
Spymaster's Vault
5.8%inclusion23 decks395 decks
3%synergy
Command Beacon
5.6%inclusion22 decks395 decks
-1%synergy
Fire Nation Palace
5.2%inclusion14 decks267 decks
0%synergy
Mana Artifacts
Sol Ring
78%inclusion307 decks395 decks
-8%synergy
Arcane Signet
47%inclusion184 decks395 decks
-35%synergy
Thran Turbine
32%inclusion127 decks395 decks
31%synergy
Rakdos Signet
32%inclusion127 decks395 decks
-25%synergy
Talisman of Indulgence
28%inclusion111 decks395 decks
-27%synergy
Fellwar Stone
11%inclusion42 decks395 decks
-23%synergy
Mind Stone
7.3%inclusion29 decks395 decks
-21%synergy
Lands
Mountain
97%inclusion385 decks395 decks
0%synergy
Swamp
97%inclusion384 decks395 decks
-0%synergy
Command Tower
86%inclusion338 decks395 decks
-0%synergy
Dragonskull Summit
63%inclusion250 decks395 decks
-0%synergy
Temple of Malice
59%inclusion232 decks395 decks
26%synergy
Smoldering Marsh
56%inclusion222 decks395 decks
-7%synergy
Blood Crypt
55%inclusion219 decks395 decks
8%synergy
Sulfurous Springs
51%inclusion201 decks395 decks
3%synergy
Valakut Awakening
46%inclusion180 decks395 decks
38%synergy
Luxury Suite
43%inclusion171 decks395 decks
5%synergy
Boggart Trawler
41%inclusion163 decks395 decks
34%synergy
Graven Cairns
41%inclusion162 decks395 decks
9%synergy
Path of Ancestry
38%inclusion152 decks395 decks
22%synergy
Bloodstained Mire
38%inclusion149 decks395 decks
4%synergy
Shadowblood Ridge
33%inclusion131 decks395 decks
-2%synergy
Rakdos Carnarium
32%inclusion126 decks395 decks
1%synergy
Foreboding Ruins
31%inclusion121 decks395 decks
-15%synergy
Tainted Peak
30%inclusion118 decks395 decks
-13%synergy
Haunted Ridge
30%inclusion117 decks395 decks
-6%synergy
Crystal Grotto
27%inclusion108 decks395 decks
27%synergy
Pinnacle Monk
27%inclusion106 decks395 decks
20%synergy
Blightstep Pathway
25%inclusion100 decks395 decks
3%synergy
Blazemire Verge
25%inclusion97 decks395 decks
-6%synergy
Exotic Orchard
21%inclusion84 decks395 decks
-10%synergy
The Grey Havens
20%inclusion80 decks395 decks
20%synergy
Raucous Theater
19%inclusion76 decks395 decks
-3%synergy
Badlands
17%inclusion69 decks395 decks
4%synergy
Auntie's Hovel
17%inclusion69 decks395 decks
16%synergy
Blackcleave Cliffs
15%inclusion60 decks395 decks
-5%synergy
Evolving Wilds
15%inclusion60 decks395 decks
-6%synergy
Canyon Slough
14%inclusion55 decks395 decks
-6%synergy
Fell the Profane
14%inclusion54 decks395 decks
1%synergy
Cavern of Souls
13%inclusion51 decks395 decks
8%synergy
Rumble Arena
11%inclusion30 decks265 decks
11%synergy
Malakir Rebirth
11%inclusion44 decks395 decks
-4%synergy
Terramorphic Expanse
11%inclusion43 decks395 decks
-4%synergy
Agadeem's Awakening
11%inclusion43 decks395 decks
7%synergy
Blackbloom Rogue
11%inclusion42 decks395 decks
10%synergy
Polluted Delta
10%inclusion38 decks395 decks
2%synergy
Opal Palace
9.4%inclusion37 decks395 decks
8%synergy
Fabled Passage
9.1%inclusion36 decks395 decks
0%synergy
Arid Mesa
9.1%inclusion36 decks395 decks
1%synergy
Wooded Foothills
8.9%inclusion35 decks395 decks
2%synergy
Myriad Landscape
8.6%inclusion34 decks395 decks
-9%synergy
Prismatic Vista
8.1%inclusion32 decks395 decks
3%synergy
Bloodfell Caves
8.1%inclusion32 decks395 decks
-11%synergy
Mount Doom
8.1%inclusion32 decks395 decks
-8%synergy
Scalding Tarn
7.8%inclusion31 decks395 decks
1%synergy
Marsh Flats
7.8%inclusion31 decks395 decks
-0%synergy
Plaza of Heroes
7.6%inclusion30 decks395 decks
6%synergy
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