Grenzo, Dungeon Warden (Commander) - Upgraded

Grenzo, Dungeon Warden
Rank #552
362decks
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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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Blazing Firesinger
6.6%inclusion4 decks61 decks
5%synergy
Relic Retriever
5.2%inclusion4 decks77 decks
5%synergy
Grave Researcher
3.8%inclusion3 decks79 decks
2%synergy
Page, Loose Leaf
3.3%inclusion2 decks61 decks
3%synergy
Rubble Rouser
1.6%inclusion1 decks61 decks
1%synergy
High Synergy Cards
Heartstone
76%inclusion274 decks362 decks
74%synergy
Siege-Gang Commander
67%inclusion244 decks362 decks
64%synergy
The Cauldron of Eternity
61%inclusion222 decks362 decks
60%synergy
Tel-Jilad Stylus
60%inclusion218 decks362 decks
59%synergy
Barkform Harvester
60%inclusion218 decks361 decks
59%synergy
Ashnod's Altar
69%inclusion250 decks362 decks
59%synergy
Sling-Gang Lieutenant
61%inclusion221 decks362 decks
58%synergy
Skirk Prospector
61%inclusion220 decks362 decks
56%synergy
Tomb Trawler
56%inclusion201 decks362 decks
55%synergy
Murderous Redcap
57%inclusion208 decks362 decks
54%synergy
Top Cards
Viscera Seer
62%inclusion225 decks362 decks
53%synergy
Kiki-Jiki, Mirror Breaker
56%inclusion204 decks362 decks
52%synergy
Workhorse
54%inclusion195 decks362 decks
53%synergy
Pitiless Plunderer
53%inclusion192 decks362 decks
40%synergy
Krenko, Mob Boss
52%inclusion189 decks362 decks
48%synergy
Goblin Matron
51%inclusion184 decks362 decks
48%synergy
Hoverstone Pilgrim
49%inclusion176 decks362 decks
48%synergy
Priest of Gix
49%inclusion176 decks362 decks
46%synergy
Priest of Urabrask
48%inclusion175 decks362 decks
46%synergy
Solemn Simulacrum
48%inclusion173 decks362 decks
28%synergy
Game Changers
Ancient Tomb
13%inclusion46 decks362 decks
3%synergy
Gamble
10%inclusion36 decks362 decks
0%synergy
Jeska's Will
9.4%inclusion34 decks362 decks
-14%synergy
Demonic Tutor
8.3%inclusion30 decks362 decks
-10%synergy
Vampiric Tutor
6.6%inclusion24 decks362 decks
-7%synergy
Orcish Bowmasters
6.4%inclusion23 decks362 decks
-4%synergy
Creatures
Mad Auntie
45%inclusion164 decks362 decks
43%synergy
Goblin Engineer
45%inclusion163 decks362 decks
41%synergy
Zulaport Cutthroat
45%inclusion162 decks362 decks
37%synergy
Palladium Myr
44%inclusion161 decks362 decks
43%synergy
Gray Merchant of Asphodel
40%inclusion145 decks362 decks
30%synergy
Boggart Trawler
39%inclusion141 decks362 decks
32%synergy
Goblin Trashmaster
39%inclusion140 decks362 decks
37%synergy
Meteor Golem
38%inclusion138 decks362 decks
36%synergy
Iron Myr
38%inclusion136 decks362 decks
35%synergy
Metallic Mimic
37%inclusion135 decks362 decks
36%synergy
Woe Strider
37%inclusion135 decks362 decks
35%synergy
Goblin Warchief
37%inclusion134 decks362 decks
34%synergy
Leaden Myr
37%inclusion134 decks362 decks
35%synergy
Goblin Chieftain
37%inclusion133 decks362 decks
35%synergy
Pawn of Ulamog
36%inclusion131 decks362 decks
34%synergy
Goblin Welder
36%inclusion131 decks362 decks
33%synergy
Warren Soultrader
36%inclusion130 decks362 decks
28%synergy
Junktroller
35%inclusion128 decks362 decks
35%synergy
Epitaph Golem
35%inclusion127 decks362 decks
35%synergy
Blood Artist
34%inclusion124 decks362 decks
16%synergy
Beetleback Chief
33%inclusion121 decks362 decks
32%synergy
Ravenous Chupacabra
33%inclusion120 decks362 decks
31%synergy
Ornithopter of Paradise
33%inclusion118 decks362 decks
29%synergy
Pashalik Mons
32%inclusion115 decks362 decks
30%synergy
Goblin Chirurgeon
31%inclusion112 decks362 decks
29%synergy
Duplicant
31%inclusion111 decks362 decks
30%synergy
Bronze Walrus
29%inclusion106 decks362 decks
29%synergy
Munitions Expert
29%inclusion105 decks362 decks
27%synergy
Mogg War Marshal
28%inclusion102 decks362 decks
26%synergy
Emrakul's Hatcher
28%inclusion100 decks362 decks
27%synergy
Zealous Conscripts
27%inclusion98 decks362 decks
25%synergy
Anger
27%inclusion96 decks362 decks
14%synergy
Boggart Cursecrafter
26%inclusion49 decks185 decks
21%synergy
Conspicuous Snoop
26%inclusion93 decks362 decks
24%synergy
Warteye Witch
25%inclusion92 decks362 decks
25%synergy
Goblin King
25%inclusion91 decks362 decks
24%synergy
Krenko, Tin Street Kingpin
25%inclusion89 decks362 decks
21%synergy
Chainer, Nightmare Adept
24%inclusion88 decks362 decks
16%synergy
Boggart Harbinger
23%inclusion84 decks362 decks
21%synergy
Goblin Recruiter
23%inclusion84 decks362 decks
22%synergy
Imperial Recruiter
23%inclusion84 decks362 decks
19%synergy
Crypt Ghast
23%inclusion83 decks362 decks
20%synergy
Marionette Master
23%inclusion82 decks362 decks
17%synergy
Pinnacle Monk
23%inclusion82 decks362 decks
16%synergy
Goblin Sharpshooter
22%inclusion81 decks362 decks
21%synergy
Treasonous Ogre
22%inclusion80 decks362 decks
19%synergy
Frogtosser Banneret
22%inclusion80 decks362 decks
20%synergy
Hobgoblin Bandit Lord
22%inclusion79 decks362 decks
20%synergy
Marionette Apprentice
21%inclusion76 decks362 decks
12%synergy
Deathbringer Thoctar
20%inclusion74 decks362 decks
20%synergy
Instants
Valakut Awakening
44%inclusion161 decks362 decks
37%synergy
Chaos Warp
28%inclusion102 decks362 decks
-19%synergy
Fire Prophecy
28%inclusion102 decks362 decks
28%synergy
Volcanic Spite
27%inclusion98 decks362 decks
27%synergy
Dark Ritual
21%inclusion77 decks362 decks
-21%synergy
Brightstone Ritual
17%inclusion61 decks362 decks
15%synergy
Terminate
17%inclusion61 decks362 decks
-23%synergy
Rakdos Charm
15%inclusion55 decks362 decks
-28%synergy
Bedevil
14%inclusion49 decks362 decks
-21%synergy
Fell the Profane
12%inclusion44 decks362 decks
0%synergy
Malakir Rebirth
10%inclusion37 decks362 decks
-5%synergy
Battle Hymn
8.0%inclusion29 decks362 decks
7%synergy
Deflecting Swat
8.0%inclusion29 decks362 decks
-13%synergy
Village Rites
7.2%inclusion26 decks362 decks
-8%synergy
Manhole Missile
6.8%inclusion9 decks133 decks
6%synergy
Abrade
6.6%inclusion24 decks362 decks
-15%synergy
Deadly Rollick
6.4%inclusion23 decks362 decks
-15%synergy
Lightning Bolt
6.1%inclusion22 decks362 decks
-12%synergy
Withering Torment
5.5%inclusion20 decks361 decks
-16%synergy
Tibalt's Trickery
5.2%inclusion19 decks362 decks
-8%synergy
Sorceries
Blasphemous Act
25%inclusion90 decks362 decks
-26%synergy
Read the Bones
23%inclusion82 decks362 decks
10%synergy
Into the Fire
20%inclusion71 decks362 decks
19%synergy
Feed the Swarm
19%inclusion67 decks362 decks
-23%synergy
Faithless Looting
16%inclusion59 decks362 decks
-12%synergy
Vandalblast
12%inclusion45 decks362 decks
-18%synergy
Dread Return
11%inclusion40 decks362 decks
7%synergy
Agadeem's Awakening
10%inclusion38 decks362 decks
7%synergy
Victimize
9.4%inclusion34 decks362 decks
-6%synergy
Living Death
9.4%inclusion34 decks362 decks
5%synergy
Doomsday
9.4%inclusion34 decks362 decks
9%synergy
Reanimate
8.8%inclusion32 decks362 decks
-14%synergy
Toxic Deluge
8.6%inclusion31 decks362 decks
-9%synergy
Sinister Waltz
7.5%inclusion27 decks362 decks
6%synergy
Mana Geyser
7.2%inclusion26 decks362 decks
-5%synergy
Sundering Eruption
7.2%inclusion26 decks362 decks
2%synergy
Grub's Command
7.0%inclusion13 decks187 decks
3%synergy
Patriarch's Bidding
6.9%inclusion25 decks362 decks
4%synergy
Goblin War Strike
6.6%inclusion24 decks362 decks
6%synergy
Diabolic Tutor
6.4%inclusion23 decks362 decks
0%synergy
Diabolic Intent
6.1%inclusion22 decks362 decks
-2%synergy
Utility Artifacts
Skullclamp
25%inclusion92 decks362 decks
15%synergy
Lightning Greaves
22%inclusion78 decks362 decks
-13%synergy
Teferi's Puzzle Box
20%inclusion74 decks362 decks
20%synergy
Cloak and Dagger
18%inclusion66 decks362 decks
18%synergy
Crystal Ball
18%inclusion64 decks362 decks
17%synergy
Reito Lantern
17%inclusion61 decks362 decks
17%synergy
Swiftfoot Boots
16%inclusion57 decks362 decks
-16%synergy
Phyrexian Altar
13%inclusion47 decks362 decks
7%synergy
Darksteel Pendant
13%inclusion46 decks362 decks
12%synergy
Desecrated Tomb
12%inclusion45 decks362 decks
12%synergy
Soldevi Digger
9.4%inclusion34 decks362 decks
9%synergy
Illusionist's Bracers
8.8%inclusion32 decks362 decks
8%synergy
Goblin Charbelcher
8.3%inclusion30 decks362 decks
8%synergy
Crucible of Worlds
5.8%inclusion21 decks362 decks
5%synergy
Planetarium of Wan Shi Tong
5.8%inclusion13 decks226 decks
5%synergy
Thornbite Staff
5.5%inclusion20 decks362 decks
5%synergy
Enchantments
Goblin Bombardment
31%inclusion113 decks362 decks
22%synergy
Impact Tremors
27%inclusion98 decks362 decks
16%synergy
Braid of Fire
17%inclusion62 decks362 decks
15%synergy
Mana Echoes
15%inclusion55 decks362 decks
15%synergy
Boggart Mischief
12%inclusion22 decks187 decks
7%synergy
Shared Animosity
8.3%inclusion30 decks362 decks
5%synergy
Phyrexian Arena
7.7%inclusion28 decks362 decks
-16%synergy
Mindmoil
6.4%inclusion23 decks362 decks
6%synergy
Thran Vigil
5.8%inclusion21 decks362 decks
5%synergy
Black Market
5.5%inclusion20 decks362 decks
1%synergy
Fires of Invention
5.5%inclusion20 decks362 decks
5%synergy
Shadows of the Past
5.5%inclusion20 decks362 decks
5%synergy
Quest for the Goblin Lord
5.2%inclusion19 decks362 decks
5%synergy
Utility Lands
Zhalfirin Void
41%inclusion147 decks362 decks
39%synergy
Buried Ruin
35%inclusion128 decks362 decks
32%synergy
Bojuka Bog
29%inclusion105 decks362 decks
-6%synergy
Phyrexian Tower
28%inclusion100 decks362 decks
17%synergy
Urborg, Tomb of Yawgmoth
25%inclusion89 decks362 decks
6%synergy
Great Furnace
20%inclusion74 decks362 decks
14%synergy
Vault of Whispers
20%inclusion72 decks362 decks
14%synergy
Three Tree City
12%inclusion45 decks361 decks
9%synergy
Temple of the False God
10%inclusion37 decks362 decks
0%synergy
Spinerock Knoll
10%inclusion36 decks362 decks
1%synergy
Takenuma, Abandoned Mire
10%inclusion35 decks362 decks
1%synergy
Nykthos, Shrine to Nyx
9.4%inclusion34 decks362 decks
8%synergy
Den of the Bugbear
9.1%inclusion33 decks362 decks
7%synergy
Isolated Watchtower
8.3%inclusion30 decks362 decks
8%synergy
Cabal Coffers
8.3%inclusion30 decks362 decks
-1%synergy
Drownyard Temple
8.0%inclusion29 decks362 decks
7%synergy
Castle Embereth
7.7%inclusion28 decks362 decks
5%synergy
Inventors' Fair
7.2%inclusion26 decks362 decks
5%synergy
Darksteel Citadel
6.9%inclusion25 decks362 decks
3%synergy
High Market
6.6%inclusion24 decks362 decks
2%synergy
Urza's Saga
6.1%inclusion22 decks362 decks
0%synergy
Spymaster's Vault
5.5%inclusion20 decks362 decks
2%synergy
Fire Nation Palace
5.4%inclusion12 decks224 decks
0%synergy
Mana Artifacts
Sol Ring
80%inclusion291 decks362 decks
-6%synergy
Arcane Signet
47%inclusion170 decks362 decks
-35%synergy
Rakdos Signet
33%inclusion118 decks362 decks
-25%synergy
Thran Turbine
32%inclusion117 decks362 decks
32%synergy
Talisman of Indulgence
29%inclusion106 decks362 decks
-26%synergy
Fellwar Stone
10%inclusion37 decks362 decks
-23%synergy
Mind Stone
7.2%inclusion26 decks362 decks
-21%synergy
Vessel of Endless Rest
5.5%inclusion20 decks362 decks
5%synergy
Lands
Mountain
97%inclusion352 decks362 decks
0%synergy
Swamp
97%inclusion351 decks362 decks
-1%synergy
Command Tower
87%inclusion314 decks362 decks
1%synergy
Dragonskull Summit
65%inclusion234 decks362 decks
1%synergy
Smoldering Marsh
59%inclusion212 decks362 decks
-5%synergy
Temple of Malice
58%inclusion210 decks362 decks
25%synergy
Blood Crypt
56%inclusion203 decks362 decks
10%synergy
Sulfurous Springs
51%inclusion185 decks362 decks
4%synergy
Valakut Awakening
44%inclusion161 decks362 decks
37%synergy
Luxury Suite
43%inclusion156 decks362 decks
5%synergy
Graven Cairns
42%inclusion151 decks362 decks
11%synergy
Path of Ancestry
41%inclusion149 decks362 decks
25%synergy
Boggart Trawler
39%inclusion141 decks362 decks
32%synergy
Bloodstained Mire
38%inclusion136 decks362 decks
4%synergy
Shadowblood Ridge
35%inclusion125 decks362 decks
-1%synergy
Foreboding Ruins
33%inclusion120 decks362 decks
-12%synergy
Rakdos Carnarium
32%inclusion115 decks362 decks
0%synergy
Tainted Peak
31%inclusion113 decks362 decks
-12%synergy
Haunted Ridge
31%inclusion111 decks362 decks
-5%synergy
Crystal Grotto
27%inclusion99 decks362 decks
27%synergy
Blightstep Pathway
25%inclusion92 decks362 decks
3%synergy
Blazemire Verge
25%inclusion91 decks361 decks
-5%synergy
Pinnacle Monk
23%inclusion82 decks362 decks
16%synergy
Exotic Orchard
22%inclusion79 decks362 decks
-9%synergy
The Grey Havens
21%inclusion76 decks362 decks
20%synergy
Raucous Theater
20%inclusion72 decks362 decks
-2%synergy
Auntie's Hovel
20%inclusion71 decks362 decks
18%synergy
Badlands
15%inclusion53 decks362 decks
1%synergy
Evolving Wilds
15%inclusion53 decks362 decks
-6%synergy
Blackcleave Cliffs
14%inclusion52 decks362 decks
-6%synergy
Canyon Slough
14%inclusion51 decks362 decks
-5%synergy
Cavern of Souls
13%inclusion46 decks362 decks
8%synergy
Fell the Profane
12%inclusion44 decks362 decks
0%synergy
Rumble Arena
12%inclusion26 decks222 decks
11%synergy
Terramorphic Expanse
11%inclusion39 decks362 decks
-5%synergy
Agadeem's Awakening
10%inclusion38 decks362 decks
7%synergy
Malakir Rebirth
10%inclusion37 decks362 decks
-5%synergy
Opal Palace
10%inclusion35 decks362 decks
8%synergy
Myriad Landscape
9.4%inclusion34 decks362 decks
-9%synergy
Polluted Delta
8.8%inclusion32 decks362 decks
1%synergy
Arid Mesa
8.0%inclusion29 decks362 decks
0%synergy
Bloodfell Caves
7.7%inclusion28 decks362 decks
-11%synergy
Wooded Foothills
7.7%inclusion28 decks362 decks
1%synergy
Mount Doom
7.7%inclusion28 decks362 decks
-9%synergy
Plaza of Heroes
7.5%inclusion27 decks362 decks
6%synergy
Scalding Tarn
7.5%inclusion27 decks362 decks
0%synergy
Blackbloom Rogue
7.2%inclusion26 decks362 decks
7%synergy
Sundering Eruption
7.2%inclusion26 decks362 decks
2%synergy
Eclipsed Realms
7.0%inclusion13 decks186 decks
5%synergy
Prismatic Vista
6.9%inclusion25 decks362 decks
2%synergy
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