Grenzo, Dungeon Warden (Commander) - Upgraded Combo

Grenzo, Dungeon Warden
Rank #540
58decks
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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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Enchantments
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Utility Lands
Mana Artifacts
Lands
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Blazing Firesinger
5.0%inclusion1 decks20 decks
3%synergy
Garrison Excavator
4.5%inclusion1 decks22 decks
4%synergy
Grave Researcher
4.3%inclusion1 decks23 decks
2%synergy
High Synergy Cards
Heartstone
84%inclusion49 decks58 decks
82%synergy
The Cauldron of Eternity
76%inclusion44 decks58 decks
75%synergy
Ashnod's Altar
84%inclusion49 decks58 decks
74%synergy
Barkform Harvester
74%inclusion43 decks58 decks
73%synergy
Siege-Gang Commander
72%inclusion42 decks58 decks
69%synergy
Murderous Redcap
72%inclusion42 decks58 decks
69%synergy
Tomb Trawler
69%inclusion40 decks58 decks
68%synergy
Priest of Gix
69%inclusion40 decks58 decks
67%synergy
Viscera Seer
74%inclusion43 decks58 decks
65%synergy
Workhorse
66%inclusion38 decks58 decks
65%synergy
Top Cards
Pitiless Plunderer
69%inclusion40 decks58 decks
56%synergy
Skirk Prospector
69%inclusion40 decks58 decks
64%synergy
Sling-Gang Lieutenant
67%inclusion39 decks58 decks
64%synergy
Tel-Jilad Stylus
66%inclusion38 decks58 decks
65%synergy
Priest of Urabrask
66%inclusion38 decks58 decks
64%synergy
Goblin Engineer
64%inclusion37 decks58 decks
60%synergy
Zulaport Cutthroat
62%inclusion36 decks58 decks
54%synergy
Kiki-Jiki, Mirror Breaker
59%inclusion34 decks58 decks
54%synergy
Palladium Myr
57%inclusion33 decks58 decks
56%synergy
Goblin Matron
55%inclusion32 decks58 decks
52%synergy
Game Changers
Ancient Tomb
14%inclusion8 decks58 decks
4%synergy
Orcish Bowmasters
10%inclusion6 decks58 decks
0%synergy
Jeska's Will
8.6%inclusion5 decks58 decks
-15%synergy
Vampiric Tutor
8.6%inclusion5 decks58 decks
-5%synergy
Demonic Tutor
6.9%inclusion4 decks58 decks
-11%synergy
Gamble
6.9%inclusion4 decks58 decks
-3%synergy
Creatures
Metallic Mimic
52%inclusion30 decks58 decks
50%synergy
Woe Strider
50%inclusion29 decks58 decks
47%synergy
Hoverstone Pilgrim
50%inclusion29 decks58 decks
49%synergy
Boggart Trawler
50%inclusion29 decks58 decks
43%synergy
Goblin Welder
48%inclusion28 decks58 decks
46%synergy
Solemn Simulacrum
47%inclusion27 decks58 decks
27%synergy
Ornithopter of Paradise
47%inclusion27 decks58 decks
43%synergy
Iron Myr
47%inclusion27 decks58 decks
44%synergy
Krenko, Mob Boss
45%inclusion26 decks58 decks
41%synergy
Warren Soultrader
45%inclusion26 decks58 decks
37%synergy
Meteor Golem
45%inclusion26 decks58 decks
42%synergy
Leaden Myr
45%inclusion26 decks58 decks
43%synergy
Pawn of Ulamog
43%inclusion25 decks58 decks
41%synergy
Epitaph Golem
43%inclusion25 decks58 decks
43%synergy
Emrakul's Hatcher
41%inclusion24 decks58 decks
41%synergy
Mad Auntie
41%inclusion24 decks58 decks
39%synergy
Gray Merchant of Asphodel
40%inclusion23 decks58 decks
29%synergy
Zealous Conscripts
38%inclusion22 decks58 decks
36%synergy
Blood Artist
38%inclusion22 decks58 decks
19%synergy
Goblin Chirurgeon
38%inclusion22 decks58 decks
36%synergy
Anger
38%inclusion22 decks58 decks
25%synergy
Goblin Trashmaster
36%inclusion21 decks58 decks
34%synergy
Bronze Walrus
34%inclusion20 decks58 decks
34%synergy
Ravenous Chupacabra
34%inclusion20 decks58 decks
32%synergy
Duplicant
34%inclusion20 decks58 decks
34%synergy
Junk Diver
33%inclusion19 decks58 decks
32%synergy
Goblin Warchief
33%inclusion19 decks58 decks
30%synergy
Chainer, Nightmare Adept
31%inclusion18 decks58 decks
23%synergy
Beetleback Chief
31%inclusion18 decks58 decks
30%synergy
Imperial Recruiter
29%inclusion17 decks58 decks
25%synergy
Mogg War Marshal
29%inclusion17 decks58 decks
27%synergy
Goblin Sharpshooter
29%inclusion17 decks58 decks
28%synergy
Goblin Chieftain
28%inclusion16 decks58 decks
25%synergy
Treasonous Ogre
28%inclusion16 decks58 decks
25%synergy
Marionette Master
28%inclusion16 decks58 decks
22%synergy
Pinnacle Monk
28%inclusion16 decks58 decks
20%synergy
Mayhem Devil
26%inclusion15 decks58 decks
2%synergy
Marionette Apprentice
26%inclusion15 decks58 decks
17%synergy
Murderous Rider
24%inclusion14 decks58 decks
23%synergy
Goblin Cratermaker
24%inclusion14 decks58 decks
23%synergy
Deathbringer Thoctar
24%inclusion14 decks58 decks
23%synergy
Pashalik Mons
24%inclusion14 decks58 decks
22%synergy
Boggart Harbinger
22%inclusion13 decks58 decks
21%synergy
Warteye Witch
22%inclusion13 decks58 decks
22%synergy
Junktroller
22%inclusion13 decks58 decks
22%synergy
Goblin Recruiter
22%inclusion13 decks58 decks
21%synergy
Crypt Ghast
22%inclusion13 decks58 decks
20%synergy
Myr Retriever
22%inclusion13 decks58 decks
21%synergy
Balthor the Defiled
22%inclusion13 decks58 decks
22%synergy
Illuminor Szeras
21%inclusion12 decks58 decks
19%synergy
Instants
Valakut Awakening
52%inclusion30 decks58 decks
44%synergy
Chaos Warp
36%inclusion21 decks58 decks
-11%synergy
Volcanic Spite
29%inclusion17 decks58 decks
29%synergy
Fire Prophecy
28%inclusion16 decks58 decks
27%synergy
Dark Ritual
19%inclusion11 decks58 decks
-23%synergy
Fell the Profane
14%inclusion8 decks58 decks
1%synergy
Rakdos Charm
14%inclusion8 decks58 decks
-30%synergy
Malakir Rebirth
10%inclusion6 decks58 decks
-5%synergy
Deflecting Swat
10%inclusion6 decks58 decks
-11%synergy
Bedevil
10%inclusion6 decks58 decks
-24%synergy
Redirect Lightning
10%inclusion5 decks50 decks
0%synergy
Deadly Rollick
8.6%inclusion5 decks58 decks
-13%synergy
Brightstone Ritual
8.6%inclusion5 decks58 decks
7%synergy
Terminate
8.6%inclusion5 decks58 decks
-31%synergy
Tibalt's Trickery
8.6%inclusion5 decks58 decks
-4%synergy
Entomb
6.9%inclusion4 decks58 decks
0%synergy
Village Rites
6.9%inclusion4 decks58 decks
-9%synergy
Abrade
6.9%inclusion4 decks58 decks
-14%synergy
Thrill of Possibility
5.2%inclusion3 decks58 decks
-13%synergy
Battle Hymn
5.2%inclusion3 decks58 decks
4%synergy
Dismember
5.2%inclusion3 decks58 decks
1%synergy
Withering Torment
5.2%inclusion3 decks58 decks
-17%synergy
Sorceries
Read the Bones
22%inclusion13 decks58 decks
10%synergy
Blasphemous Act
22%inclusion13 decks58 decks
-28%synergy
Faithless Looting
21%inclusion12 decks58 decks
-7%synergy
Feed the Swarm
21%inclusion12 decks58 decks
-21%synergy
Into the Fire
17%inclusion10 decks58 decks
16%synergy
Doomsday
14%inclusion8 decks58 decks
13%synergy
Diabolic Intent
12%inclusion7 decks58 decks
4%synergy
Dread Return
12%inclusion7 decks58 decks
8%synergy
Vandalblast
12%inclusion7 decks58 decks
-18%synergy
Toxic Deluge
10%inclusion6 decks58 decks
-7%synergy
Sundering Eruption
10%inclusion6 decks58 decks
5%synergy
Sozin's Comet
10%inclusion4 decks42 decks
6%synergy
Agadeem's Awakening
8.6%inclusion5 decks58 decks
5%synergy
Blood Price
8.6%inclusion5 decks58 decks
8%synergy
Living Death
8.6%inclusion5 decks58 decks
5%synergy
Reanimate
8.6%inclusion5 decks58 decks
-14%synergy
Mana Geyser
8.6%inclusion5 decks58 decks
-4%synergy
Sinister Waltz
6.9%inclusion4 decks58 decks
5%synergy
Sign in Blood
6.9%inclusion4 decks58 decks
-16%synergy
Buried Alive
5.2%inclusion3 decks58 decks
0%synergy
Bloodsoaked Insight
5.2%inclusion3 decks58 decks
-4%synergy
Utility Artifacts
Skullclamp
26%inclusion15 decks58 decks
16%synergy
Lightning Greaves
22%inclusion13 decks58 decks
-13%synergy
Teferi's Puzzle Box
17%inclusion10 decks58 decks
17%synergy
Phyrexian Altar
17%inclusion10 decks58 decks
11%synergy
Crystal Ball
16%inclusion9 decks58 decks
15%synergy
Reito Lantern
16%inclusion9 decks58 decks
15%synergy
Planetarium of Wan Shi Tong
14%inclusion6 decks42 decks
14%synergy
Soldevi Digger
14%inclusion8 decks58 decks
14%synergy
Desecrated Tomb
12%inclusion7 decks58 decks
11%synergy
Cloak and Dagger
10%inclusion6 decks58 decks
10%synergy
Swiftfoot Boots
10%inclusion6 decks58 decks
-21%synergy
Darksteel Pendant
8.6%inclusion5 decks58 decks
8%synergy
Thornbite Staff
8.6%inclusion5 decks58 decks
8%synergy
Treasure Map
6.9%inclusion4 decks58 decks
6%synergy
Jar of Eyeballs
6.9%inclusion4 decks58 decks
7%synergy
Nim Deathmantle
6.9%inclusion4 decks58 decks
6%synergy
Illusionist's Bracers
5.2%inclusion3 decks58 decks
4%synergy
Crucible of Worlds
5.2%inclusion3 decks58 decks
4%synergy
Wishclaw Talisman
5.2%inclusion3 decks58 decks
-1%synergy
Goblin Charbelcher
5.2%inclusion3 decks58 decks
5%synergy
Ring of Xathrid
5.2%inclusion3 decks58 decks
5%synergy
Staff of Domination
5.2%inclusion3 decks58 decks
5%synergy
Enchantments
Goblin Bombardment
34%inclusion20 decks58 decks
25%synergy
Impact Tremors
26%inclusion15 decks58 decks
14%synergy
Mana Echoes
21%inclusion12 decks58 decks
20%synergy
Braid of Fire
17%inclusion10 decks58 decks
15%synergy
Thran Vigil
14%inclusion8 decks58 decks
13%synergy
Shadows of the Past
10%inclusion6 decks58 decks
10%synergy
Teval's Judgment
7.4%inclusion4 decks54 decks
7%synergy
Fires of Invention
6.9%inclusion4 decks58 decks
7%synergy
Phyrexian Arena
6.9%inclusion4 decks58 decks
-17%synergy
Fable of the Mirror-Breaker
5.2%inclusion3 decks58 decks
2%synergy
Chthonian Nightmare
5.2%inclusion3 decks58 decks
3%synergy
Boggart Mischief
5.1%inclusion2 decks39 decks
1%synergy
Planeswalkers
Daretti, Scrap Savant
5.2%inclusion3 decks58 decks
3%synergy
Utility Lands
Buried Ruin
50%inclusion29 decks58 decks
46%synergy
Zhalfirin Void
47%inclusion27 decks58 decks
45%synergy
Phyrexian Tower
36%inclusion21 decks58 decks
26%synergy
Vault of Whispers
31%inclusion18 decks58 decks
25%synergy
Great Furnace
31%inclusion18 decks58 decks
25%synergy
Bojuka Bog
24%inclusion14 decks58 decks
-11%synergy
Urborg, Tomb of Yawgmoth
21%inclusion12 decks58 decks
2%synergy
Fire Nation Palace
14%inclusion6 decks42 decks
9%synergy
Inventors' Fair
14%inclusion8 decks58 decks
12%synergy
Spymaster's Vault
10%inclusion6 decks58 decks
7%synergy
Command Beacon
10%inclusion6 decks58 decks
4%synergy
Nykthos, Shrine to Nyx
10%inclusion6 decks58 decks
9%synergy
High Market
10%inclusion6 decks58 decks
6%synergy
Darksteel Citadel
10%inclusion6 decks58 decks
6%synergy
Takenuma, Abandoned Mire
10%inclusion6 decks58 decks
2%synergy
Temple of the False God
10%inclusion6 decks58 decks
0%synergy
Urza's Saga
8.6%inclusion5 decks58 decks
3%synergy
Guildless Commons
8.6%inclusion5 decks58 decks
8%synergy
Molten Slagheap
6.9%inclusion4 decks58 decks
5%synergy
Cabal Coffers
6.9%inclusion4 decks58 decks
-3%synergy
Drownyard Temple
6.9%inclusion4 decks58 decks
6%synergy
Dakmor Salvage
6.9%inclusion4 decks58 decks
6%synergy
Den of the Bugbear
6.9%inclusion4 decks58 decks
5%synergy
Hanweir Battlements
5.2%inclusion3 decks58 decks
4%synergy
Barren Moor
5.2%inclusion3 decks58 decks
0%synergy
Flamekin Village
5.2%inclusion3 decks58 decks
4%synergy
Isolated Watchtower
5.2%inclusion3 decks58 decks
5%synergy
Forgotten Cave
5.2%inclusion3 decks58 decks
0%synergy
Spinerock Knoll
5.2%inclusion3 decks58 decks
-4%synergy
Castle Embereth
5.2%inclusion3 decks58 decks
2%synergy
Mana Artifacts
Sol Ring
91%inclusion53 decks58 decks
6%synergy
Arcane Signet
50%inclusion29 decks58 decks
-32%synergy
Thran Turbine
31%inclusion18 decks58 decks
30%synergy
Talisman of Indulgence
29%inclusion17 decks58 decks
-26%synergy
Rakdos Signet
29%inclusion17 decks58 decks
-28%synergy
Fellwar Stone
8.6%inclusion5 decks58 decks
-25%synergy
The Eternity Elevator
5.9%inclusion3 decks51 decks
5%synergy
Springleaf Drum
5.2%inclusion3 decks58 decks
3%synergy
Lands
Swamp
98%inclusion57 decks58 decks
1%synergy
Mountain
97%inclusion56 decks58 decks
-1%synergy
Command Tower
81%inclusion47 decks58 decks
-5%synergy
Graven Cairns
64%inclusion37 decks58 decks
33%synergy
Dragonskull Summit
62%inclusion36 decks58 decks
-1%synergy
Blood Crypt
55%inclusion32 decks58 decks
8%synergy
Smoldering Marsh
53%inclusion31 decks58 decks
-10%synergy
Temple of Malice
52%inclusion30 decks58 decks
18%synergy
Path of Ancestry
52%inclusion30 decks58 decks
36%synergy
Valakut Awakening
52%inclusion30 decks58 decks
44%synergy
Boggart Trawler
50%inclusion29 decks58 decks
43%synergy
Sulfurous Springs
50%inclusion29 decks58 decks
3%synergy
Luxury Suite
45%inclusion26 decks58 decks
7%synergy
Shadowblood Ridge
41%inclusion24 decks58 decks
6%synergy
Bloodstained Mire
38%inclusion22 decks58 decks
5%synergy
Foreboding Ruins
36%inclusion21 decks58 decks
-9%synergy
Rakdos Carnarium
29%inclusion17 decks58 decks
-2%synergy
Blazemire Verge
29%inclusion17 decks58 decks
-1%synergy
Haunted Ridge
29%inclusion17 decks58 decks
-7%synergy
Crystal Grotto
29%inclusion17 decks58 decks
29%synergy
Tainted Peak
28%inclusion16 decks58 decks
-15%synergy
Pinnacle Monk
28%inclusion16 decks58 decks
20%synergy
Blightstep Pathway
26%inclusion15 decks58 decks
3%synergy
Rumble Arena
24%inclusion10 decks42 decks
23%synergy
The Grey Havens
22%inclusion13 decks58 decks
22%synergy
Raucous Theater
21%inclusion12 decks58 decks
-1%synergy
Badlands
21%inclusion12 decks58 decks
7%synergy
Auntie's Hovel
21%inclusion12 decks58 decks
19%synergy
Cavern of Souls
21%inclusion12 decks58 decks
16%synergy
Exotic Orchard
19%inclusion11 decks58 decks
-12%synergy
Canyon Slough
17%inclusion10 decks58 decks
-2%synergy
Fell the Profane
14%inclusion8 decks58 decks
1%synergy
Terramorphic Expanse
14%inclusion8 decks58 decks
-2%synergy
Blackcleave Cliffs
14%inclusion8 decks58 decks
-7%synergy
Wooded Foothills
14%inclusion8 decks58 decks
7%synergy
Evolving Wilds
14%inclusion8 decks58 decks
-7%synergy
Polluted Delta
14%inclusion8 decks58 decks
6%synergy
Marsh Flats
12%inclusion7 decks58 decks
4%synergy
Prismatic Vista
10%inclusion6 decks58 decks
5%synergy
Myriad Landscape
10%inclusion6 decks58 decks
-7%synergy
Verdant Catacombs
10%inclusion6 decks58 decks
4%synergy
Malakir Rebirth
10%inclusion6 decks58 decks
-5%synergy
Arid Mesa
10%inclusion6 decks58 decks
2%synergy
Sundering Eruption
10%inclusion6 decks58 decks
5%synergy
Scalding Tarn
10%inclusion6 decks58 decks
3%synergy
Geothermal Bog
10%inclusion6 decks58 decks
1%synergy
Drossforge Bridge
8.6%inclusion5 decks58 decks
2%synergy
Agadeem's Awakening
8.6%inclusion5 decks58 decks
5%synergy
Mount Doom
8.6%inclusion5 decks58 decks
-8%synergy
Opal Palace
8.6%inclusion5 decks58 decks
7%synergy
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