Grenzo, Dungeon Warden (Commander) - Expensive Combo

Grenzo, Dungeon Warden
Rank #539
23decks
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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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High Synergy Cards
Top Cards
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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Doctor Doom, Unrivaled
20%inclusion1 decks5 decks
20%synergy
High Synergy Cards
Kiki-Jiki, Mirror Breaker
87%inclusion20 decks23 decks
83%synergy
Skirk Prospector
83%inclusion19 decks23 decks
78%synergy
Priest of Gix
78%inclusion18 decks23 decks
76%synergy
Goblin Engineer
70%inclusion16 decks23 decks
66%synergy
Barkform Harvester
65%inclusion15 decks23 decks
64%synergy
Simian Spirit Guide
70%inclusion16 decks23 decks
64%synergy
Priest of Urabrask
65%inclusion15 decks23 decks
63%synergy
Workhorse
61%inclusion14 decks23 decks
60%synergy
Treasonous Ogre
61%inclusion14 decks23 decks
58%synergy
Imperial Recruiter
61%inclusion14 decks23 decks
57%synergy
Top Cards
Dark Ritual
74%inclusion17 decks23 decks
32%synergy
Hexing Squelcher
69%inclusion11 decks16 decks
55%synergy
Ragavan, Nimble Pilferer
65%inclusion15 decks23 decks
55%synergy
Ashnod's Altar
61%inclusion14 decks23 decks
51%synergy
Viscera Seer
61%inclusion14 decks23 decks
52%synergy
Zealous Conscripts
57%inclusion13 decks23 decks
55%synergy
Murderous Redcap
57%inclusion13 decks23 decks
53%synergy
Pitiless Plunderer
57%inclusion13 decks23 decks
44%synergy
________ Goblin
52%inclusion12 decks23 decks
52%synergy
Pawn of Ulamog
52%inclusion12 decks23 decks
50%synergy
Game Changers
Mox Diamond
100%inclusion23 decks23 decks
96%synergy
Chrome Mox
96%inclusion22 decks23 decks
90%synergy
Ancient Tomb
91%inclusion21 decks23 decks
82%synergy
Mana Vault
87%inclusion20 decks23 decks
82%synergy
Demonic Tutor
74%inclusion17 decks23 decks
56%synergy
Vampiric Tutor
74%inclusion17 decks23 decks
60%synergy
Orcish Bowmasters
61%inclusion14 decks23 decks
51%synergy
Lion's Eye Diamond
57%inclusion13 decks23 decks
54%synergy
Opposition Agent
48%inclusion11 decks23 decks
43%synergy
Gamble
48%inclusion11 decks23 decks
38%synergy
Creatures
Pinnacle Monk
70%inclusion16 decks23 decks
62%synergy
Goblin Welder
52%inclusion12 decks23 decks
50%synergy
Warren Soultrader
52%inclusion12 decks23 decks
44%synergy
Tomb Trawler
52%inclusion12 decks23 decks
51%synergy
Metallic Mimic
48%inclusion11 decks23 decks
46%synergy
Dauthi Voidwalker
43%inclusion10 decks23 decks
36%synergy
Goblin Matron
39%inclusion9 decks23 decks
36%synergy
Prowling Geistcatcher
39%inclusion9 decks23 decks
39%synergy
Overeager Apprentice
39%inclusion9 decks23 decks
39%synergy
Mayhem Devil
39%inclusion9 decks23 decks
15%synergy
Sling-Gang Lieutenant
39%inclusion9 decks23 decks
36%synergy
Boggart Trawler
39%inclusion9 decks23 decks
32%synergy
Goblin Recruiter
39%inclusion9 decks23 decks
38%synergy
Twilight Diviner
38%inclusion6 decks16 decks
36%synergy
Grim Servant
35%inclusion8 decks23 decks
34%synergy
Woe Strider
35%inclusion8 decks23 decks
32%synergy
Ruthless Technomancer
35%inclusion8 decks23 decks
30%synergy
Skittering Precursor
35%inclusion8 decks23 decks
34%synergy
Palladium Myr
35%inclusion8 decks23 decks
34%synergy
Reckless Barbarian
35%inclusion8 decks23 decks
32%synergy
Soldevi Adnate
35%inclusion8 decks23 decks
34%synergy
Hazel's Brewmaster
35%inclusion8 decks23 decks
34%synergy
Professional Face-Breaker
30%inclusion7 decks23 decks
15%synergy
Basal Sliver
30%inclusion7 decks23 decks
30%synergy
Ardent Electromancer
30%inclusion7 decks23 decks
30%synergy
Catalyst Elemental
30%inclusion7 decks23 decks
30%synergy
Yawgmoth, Thran Physician
30%inclusion7 decks23 decks
29%synergy
Plundering Barbarian
30%inclusion7 decks23 decks
30%synergy
Conspicuous Snoop
30%inclusion7 decks23 decks
29%synergy
Blood Vassal
30%inclusion7 decks23 decks
30%synergy
Daretti, Rocketeer Engineer
29%inclusion6 decks21 decks
28%synergy
Pit Automaton
29%inclusion6 decks21 decks
28%synergy
Rapacious Dragon
26%inclusion6 decks23 decks
25%synergy
Emrakul's Hatcher
26%inclusion6 decks23 decks
26%synergy
Blood Artist
26%inclusion6 decks23 decks
7%synergy
Crime Novelist
26%inclusion6 decks23 decks
20%synergy
Zulaport Cutthroat
26%inclusion6 decks23 decks
18%synergy
Stadium Vendors
26%inclusion6 decks23 decks
26%synergy
Goblin Sledder
26%inclusion6 decks23 decks
26%synergy
Young Necromancer
22%inclusion5 decks23 decks
21%synergy
Putrid Goblin
22%inclusion5 decks23 decks
20%synergy
Goblin Chieftain
22%inclusion5 decks23 decks
20%synergy
Boggart Harbinger
22%inclusion5 decks23 decks
20%synergy
Hoverstone Pilgrim
22%inclusion5 decks23 decks
21%synergy
Magus of the Moon
22%inclusion5 decks23 decks
21%synergy
Diamond Lion
22%inclusion5 decks23 decks
22%synergy
Dualcaster Mage
22%inclusion5 decks23 decks
13%synergy
Clone Shell
22%inclusion5 decks23 decks
21%synergy
Phyrexian Delver
22%inclusion5 decks23 decks
21%synergy
Carrion Feeder
22%inclusion5 decks23 decks
18%synergy
Instants
Deflecting Swat
52%inclusion12 decks23 decks
31%synergy
Red Elemental Blast
52%inclusion12 decks23 decks
43%synergy
Pyroblast
48%inclusion11 decks23 decks
39%synergy
Entomb
43%inclusion10 decks23 decks
36%synergy
Cabal Ritual
39%inclusion9 decks23 decks
31%synergy
Culling the Weak
35%inclusion8 decks23 decks
29%synergy
Redirect Lightning
31%inclusion5 decks16 decks
22%synergy
Ad Nauseam
30%inclusion7 decks23 decks
28%synergy
Fire Covenant
26%inclusion6 decks23 decks
20%synergy
Deadly Rollick
26%inclusion6 decks23 decks
4%synergy
Desperate Ritual
26%inclusion6 decks23 decks
21%synergy
Rain of Filth
26%inclusion6 decks23 decks
25%synergy
Fell the Profane
22%inclusion5 decks23 decks
9%synergy
Tainted Pact
22%inclusion5 decks23 decks
20%synergy
Lightning Bolt
22%inclusion5 decks23 decks
3%synergy
Pyretic Ritual
22%inclusion5 decks23 decks
16%synergy
Flare of Duplication
22%inclusion5 decks23 decks
17%synergy
Saw in Half
22%inclusion5 decks23 decks
10%synergy
Abrade
22%inclusion5 decks23 decks
0%synergy
Untimely Malfunction
18%inclusion4 decks22 decks
-0%synergy
Tibalt's Trickery
17%inclusion4 decks23 decks
4%synergy
Burnt Offering
17%inclusion4 decks23 decks
12%synergy
Final Fortune
17%inclusion4 decks23 decks
15%synergy
Demonic Consultation
17%inclusion4 decks23 decks
17%synergy
Dismember
17%inclusion4 decks23 decks
13%synergy
Valakut Awakening
17%inclusion4 decks23 decks
10%synergy
Manhole Missile
14%inclusion2 decks14 decks
14%synergy
Imp's Mischief
13%inclusion3 decks23 decks
4%synergy
Flashback
10%inclusion1 decks10 decks
4%synergy
Volcanic Spite
8.7%inclusion2 decks23 decks
8%synergy
Thrill of Possibility
8.7%inclusion2 decks23 decks
-10%synergy
Seething Song
8.7%inclusion2 decks23 decks
-3%synergy
Shallow Grave
8.7%inclusion2 decks23 decks
9%synergy
Malakir Rebirth
8.7%inclusion2 decks23 decks
-7%synergy
Fire Prophecy
8.7%inclusion2 decks23 decks
8%synergy
Demand Answers
8.7%inclusion2 decks23 decks
-4%synergy
Sorceries
Rite of Flame
48%inclusion11 decks23 decks
43%synergy
Jeska's Will
43%inclusion10 decks23 decks
20%synergy
Imperial Seal
43%inclusion10 decks23 decks
39%synergy
Doomsday
39%inclusion9 decks23 decks
39%synergy
Reanimate
39%inclusion9 decks23 decks
16%synergy
Diabolic Intent
35%inclusion8 decks23 decks
27%synergy
Praetor's Grasp
30%inclusion7 decks23 decks
28%synergy
Wheel of Fortune
30%inclusion7 decks23 decks
24%synergy
Beseech the Mirror
30%inclusion7 decks23 decks
27%synergy
Faithless Looting
26%inclusion6 decks23 decks
-2%synergy
Molten Duplication
22%inclusion5 decks23 decks
16%synergy
Infernal Plunge
17%inclusion4 decks23 decks
15%synergy
Yawgmoth's Will
17%inclusion4 decks23 decks
16%synergy
Dread Return
17%inclusion4 decks23 decks
13%synergy
Agadeem's Awakening
17%inclusion4 decks23 decks
14%synergy
Lively Dirge
13%inclusion3 decks23 decks
11%synergy
Buried Alive
13%inclusion3 decks23 decks
8%synergy
Twinflame
13%inclusion3 decks23 decks
7%synergy
Overmaster
13%inclusion3 decks23 decks
11%synergy
Grim Tutor
13%inclusion3 decks23 decks
9%synergy
Wheel of Misfortune
8.7%inclusion2 decks23 decks
3%synergy
Feed the Swarm
8.7%inclusion2 decks23 decks
-33%synergy
Scheming Symmetry
8.7%inclusion2 decks23 decks
6%synergy
Shatterskull Smashing
8.7%inclusion2 decks23 decks
6%synergy
Toxic Deluge
8.7%inclusion2 decks23 decks
-9%synergy
Strike It Rich
8.7%inclusion2 decks23 decks
5%synergy
Sundering Eruption
8.7%inclusion2 decks23 decks
4%synergy
Dimir Machinations
8.7%inclusion2 decks23 decks
8%synergy
Recoup
8.7%inclusion2 decks23 decks
9%synergy
Utility Artifacts
Heartstone
48%inclusion11 decks23 decks
46%synergy
Wishclaw Talisman
35%inclusion8 decks23 decks
29%synergy
Defense Grid
26%inclusion6 decks23 decks
24%synergy
Grinding Station
22%inclusion5 decks23 decks
20%synergy
Phyrexian Altar
22%inclusion5 decks23 decks
16%synergy
Vexing Bauble
17%inclusion4 decks23 decks
16%synergy
Tel-Jilad Stylus
13%inclusion3 decks23 decks
12%synergy
Lightning Greaves
13%inclusion3 decks23 decks
-22%synergy
Sensei's Divining Top
8.7%inclusion2 decks23 decks
3%synergy
Bolas's Citadel
8.7%inclusion2 decks23 decks
-1%synergy
The One Ring
8.7%inclusion2 decks23 decks
1%synergy
Umbral Mantle
8.7%inclusion2 decks23 decks
9%synergy
Enchantments
Underworld Breach
30%inclusion7 decks23 decks
24%synergy
Necropotence
30%inclusion7 decks23 decks
25%synergy
Animate Dead
22%inclusion5 decks23 decks
12%synergy
Necromancy
17%inclusion4 decks23 decks
14%synergy
Dance of the Dead
13%inclusion3 decks23 decks
11%synergy
Mana Echoes
8.7%inclusion2 decks23 decks
8%synergy
Utility Lands
Phyrexian Tower
57%inclusion13 decks23 decks
46%synergy
City of Traitors
48%inclusion11 decks23 decks
46%synergy
Vault of Whispers
39%inclusion9 decks23 decks
33%synergy
Urborg, Tomb of Yawgmoth
39%inclusion9 decks23 decks
20%synergy
Great Furnace
35%inclusion8 decks23 decks
28%synergy
Urza's Saga
30%inclusion7 decks23 decks
24%synergy
Nykthos, Shrine to Nyx
22%inclusion5 decks23 decks
20%synergy
Emergence Zone
17%inclusion4 decks23 decks
14%synergy
Takenuma, Abandoned Mire
17%inclusion4 decks23 decks
9%synergy
Three Tree City
17%inclusion4 decks23 decks
14%synergy
Zhalfirin Void
13%inclusion3 decks23 decks
12%synergy
Arena of Glory
13%inclusion3 decks23 decks
4%synergy
Buried Ruin
8.7%inclusion2 decks23 decks
5%synergy
Geier Reach Sanitarium
8.7%inclusion2 decks23 decks
3%synergy
Sokenzan, Crucible of Defiance
8.7%inclusion2 decks23 decks
5%synergy
Mana Artifacts
Sol Ring
100%inclusion23 decks23 decks
14%synergy
Mox Amber
83%inclusion19 decks23 decks
78%synergy
Mox Opal
78%inclusion18 decks23 decks
74%synergy
Lotus Petal
74%inclusion17 decks23 decks
66%synergy
Arcane Signet
52%inclusion12 decks23 decks
-30%synergy
Talisman of Indulgence
39%inclusion9 decks23 decks
-16%synergy
Fellwar Stone
39%inclusion9 decks23 decks
6%synergy
Grim Monolith
30%inclusion7 decks23 decks
28%synergy
Springleaf Drum
17%inclusion4 decks23 decks
15%synergy
Rakdos Signet
13%inclusion3 decks23 decks
-44%synergy
Mana Crypt
8.7%inclusion2 decks23 decks
8%synergy
Jeweled Lotus
8.7%inclusion2 decks23 decks
8%synergy
The Soul Stone
6.3%inclusion1 decks16 decks
1%synergy
Lands
Badlands
100%inclusion23 decks23 decks
87%synergy
Blood Crypt
100%inclusion23 decks23 decks
53%synergy
Command Tower
96%inclusion22 decks23 decks
10%synergy
Gemstone Caverns
91%inclusion21 decks23 decks
87%synergy
Swamp
83%inclusion19 decks23 decks
-15%synergy
Luxury Suite
83%inclusion19 decks23 decks
45%synergy
Sulfurous Springs
83%inclusion19 decks23 decks
35%synergy
Bloodstained Mire
83%inclusion19 decks23 decks
49%synergy
Polluted Delta
74%inclusion17 decks23 decks
66%synergy
Cavern of Souls
70%inclusion16 decks23 decks
65%synergy
Marsh Flats
70%inclusion16 decks23 decks
62%synergy
Pinnacle Monk
70%inclusion16 decks23 decks
62%synergy
Mount Doom
65%inclusion15 decks23 decks
49%synergy
Mountain
65%inclusion15 decks23 decks
-32%synergy
Scalding Tarn
65%inclusion15 decks23 decks
58%synergy
Mana Confluence
65%inclusion15 decks23 decks
59%synergy
City of Brass
65%inclusion15 decks23 decks
59%synergy
Wooded Foothills
57%inclusion13 decks23 decks
49%synergy
Verdant Catacombs
57%inclusion13 decks23 decks
50%synergy
Arid Mesa
57%inclusion13 decks23 decks
48%synergy
Raucous Theater
52%inclusion12 decks23 decks
30%synergy
Graven Cairns
48%inclusion11 decks23 decks
16%synergy
Blightstep Pathway
43%inclusion10 decks23 decks
21%synergy
Blazemire Verge
41%inclusion9 decks22 decks
10%synergy
Boggart Trawler
39%inclusion9 decks23 decks
32%synergy
Exotic Orchard
30%inclusion7 decks23 decks
-1%synergy
Prismatic Vista
26%inclusion6 decks23 decks
21%synergy
Snow-Covered Mountain
26%inclusion6 decks23 decks
23%synergy
Snow-Covered Swamp
26%inclusion6 decks23 decks
23%synergy
Fell the Profane
22%inclusion5 decks23 decks
9%synergy
Starting Town
21%inclusion4 decks19 decks
19%synergy
Shadowblood Ridge
17%inclusion4 decks23 decks
-18%synergy
Agadeem's Awakening
17%inclusion4 decks23 decks
14%synergy
Valakut Awakening
17%inclusion4 decks23 decks
10%synergy
Blackcleave Cliffs
13%inclusion3 decks23 decks
-7%synergy
Dragonskull Summit
13%inclusion3 decks23 decks
-51%synergy
Reflecting Pool
13%inclusion3 decks23 decks
10%synergy
Crystal Grotto
13%inclusion3 decks23 decks
12%synergy
Auntie's Hovel
8.7%inclusion2 decks23 decks
7%synergy
Shatterskull Smashing
8.7%inclusion2 decks23 decks
6%synergy
Plaza of Heroes
8.7%inclusion2 decks23 decks
7%synergy
The Grey Havens
8.7%inclusion2 decks23 decks
8%synergy
Malakir Rebirth
8.7%inclusion2 decks23 decks
-7%synergy
Tainted Peak
8.7%inclusion2 decks23 decks
-34%synergy
Sundering Eruption
8.7%inclusion2 decks23 decks
4%synergy
Forbidden Orchard
8.7%inclusion2 decks23 decks
7%synergy
Rumble Arena
6.3%inclusion1 decks16 decks
6%synergy
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