Grenzo, Dungeon Warden (Commander) - Toolbox

Grenzo, Dungeon Warden
Rank #544
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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
Utility Lands
Mana Artifacts
Lands
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Azog, Moria's Ruin
14%inclusion1 decks7 decks
7%synergy
The Great Goblin
14%inclusion1 decks7 decks
12%synergy
High Synergy Cards
Heartstone
83%inclusion24 decks29 decks
81%synergy
Barkform Harvester
72%inclusion21 decks29 decks
71%synergy
Tomb Trawler
69%inclusion20 decks29 decks
68%synergy
Viscera Seer
76%inclusion22 decks29 decks
67%synergy
Ashnod's Altar
72%inclusion21 decks29 decks
62%synergy
The Cauldron of Eternity
62%inclusion18 decks29 decks
61%synergy
Woe Strider
62%inclusion18 decks29 decks
60%synergy
Goblin Engineer
62%inclusion18 decks29 decks
58%synergy
Meteor Golem
59%inclusion17 decks29 decks
56%synergy
Workhorse
55%inclusion16 decks29 decks
55%synergy
Top Cards
Kiki-Jiki, Mirror Breaker
59%inclusion17 decks29 decks
54%synergy
Murderous Redcap
55%inclusion16 decks29 decks
52%synergy
Tel-Jilad Stylus
55%inclusion16 decks29 decks
54%synergy
Pitiless Plunderer
52%inclusion15 decks29 decks
39%synergy
Priest of Urabrask
52%inclusion15 decks29 decks
50%synergy
Skirk Prospector
52%inclusion15 decks29 decks
46%synergy
Siege-Gang Commander
52%inclusion15 decks29 decks
48%synergy
Priest of Gix
52%inclusion15 decks29 decks
50%synergy
Sling-Gang Lieutenant
52%inclusion15 decks29 decks
48%synergy
Gray Merchant of Asphodel
52%inclusion15 decks29 decks
42%synergy
Game Changers
Ancient Tomb
31%inclusion9 decks29 decks
22%synergy
Jeska's Will
24%inclusion7 decks29 decks
1%synergy
Orcish Bowmasters
24%inclusion7 decks29 decks
13%synergy
Vampiric Tutor
24%inclusion7 decks29 decks
11%synergy
Mana Vault
21%inclusion6 decks29 decks
15%synergy
Demonic Tutor
21%inclusion6 decks29 decks
3%synergy
Chrome Mox
14%inclusion4 decks29 decks
8%synergy
Mox Diamond
14%inclusion4 decks29 decks
10%synergy
Imperial Seal
10%inclusion3 decks29 decks
6%synergy
Opposition Agent
10%inclusion3 decks29 decks
6%synergy
Creatures
Goblin Welder
48%inclusion14 decks29 decks
46%synergy
Hoverstone Pilgrim
48%inclusion14 decks29 decks
48%synergy
Zulaport Cutthroat
48%inclusion14 decks29 decks
40%synergy
Mayhem Devil
45%inclusion13 decks29 decks
20%synergy
Goblin Matron
45%inclusion13 decks29 decks
41%synergy
Zealous Conscripts
45%inclusion13 decks29 decks
43%synergy
Emrakul's Hatcher
45%inclusion13 decks29 decks
44%synergy
Boggart Trawler
45%inclusion13 decks29 decks
37%synergy
Duplicant
41%inclusion12 decks29 decks
41%synergy
Pawn of Ulamog
41%inclusion12 decks29 decks
39%synergy
Ravenous Chupacabra
41%inclusion12 decks29 decks
39%synergy
Deathbringer Thoctar
41%inclusion12 decks29 decks
41%synergy
Palladium Myr
41%inclusion12 decks29 decks
40%synergy
Treasonous Ogre
41%inclusion12 decks29 decks
38%synergy
Solemn Simulacrum
38%inclusion11 decks29 decks
19%synergy
Mad Auntie
38%inclusion11 decks29 decks
36%synergy
Twilight Diviner
35%inclusion7 decks20 decks
33%synergy
Chainer, Nightmare Adept
34%inclusion10 decks29 decks
27%synergy
Leaden Myr
34%inclusion10 decks29 decks
32%synergy
Junktroller
34%inclusion10 decks29 decks
34%synergy
Warren Soultrader
34%inclusion10 decks29 decks
26%synergy
Burnished Hart
34%inclusion10 decks29 decks
30%synergy
Iron Myr
34%inclusion10 decks29 decks
32%synergy
Imperial Recruiter
34%inclusion10 decks29 decks
31%synergy
Blood Artist
34%inclusion10 decks29 decks
16%synergy
Epitaph Golem
34%inclusion10 decks29 decks
34%synergy
Krenko, Mob Boss
34%inclusion10 decks29 decks
29%synergy
Metallic Mimic
34%inclusion10 decks29 decks
32%synergy
Plaguecrafter
31%inclusion9 decks29 decks
27%synergy
Goblin Trashmaster
31%inclusion9 decks29 decks
29%synergy
Soldevi Adnate
31%inclusion9 decks29 decks
30%synergy
Mindclaw Shaman
31%inclusion9 decks29 decks
31%synergy
Junk Diver
28%inclusion8 decks29 decks
27%synergy
Anger
28%inclusion8 decks29 decks
15%synergy
Hexing Squelcher
25%inclusion5 decks20 decks
11%synergy
Ornithopter of Paradise
24%inclusion7 decks29 decks
21%synergy
Murderous Rider
24%inclusion7 decks29 decks
23%synergy
Conspicuous Snoop
24%inclusion7 decks29 decks
22%synergy
Puppeteer Clique
24%inclusion7 decks29 decks
23%synergy
Pinnacle Monk
24%inclusion7 decks29 decks
17%synergy
Goblin Sharpshooter
24%inclusion7 decks29 decks
23%synergy
Phyrexian Delver
24%inclusion7 decks29 decks
24%synergy
Goblin Chieftain
24%inclusion7 decks29 decks
22%synergy
Grim Servant
24%inclusion7 decks29 decks
23%synergy
Flayer of the Hatebound
21%inclusion6 decks29 decks
19%synergy
Threefold Thunderhulk
21%inclusion6 decks29 decks
20%synergy
Crypt Ghast
21%inclusion6 decks29 decks
18%synergy
Goblin Recruiter
21%inclusion6 decks29 decks
19%synergy
Bronze Walrus
21%inclusion6 decks29 decks
20%synergy
Dimir House Guard
21%inclusion6 decks29 decks
20%synergy
Instants
Valakut Awakening
48%inclusion14 decks29 decks
40%synergy
Chaos Warp
31%inclusion9 decks29 decks
-16%synergy
Volcanic Spite
21%inclusion6 decks29 decks
20%synergy
Dark Ritual
21%inclusion6 decks29 decks
-23%synergy
Fire Prophecy
17%inclusion5 decks29 decks
17%synergy
Tibalt's Trickery
14%inclusion4 decks29 decks
1%synergy
Deflecting Swat
14%inclusion4 decks29 decks
-8%synergy
Bedevil
14%inclusion4 decks29 decks
-20%synergy
Withering Torment
14%inclusion4 decks29 decks
-7%synergy
Fell the Profane
10%inclusion3 decks29 decks
-2%synergy
Burnt Offering
10%inclusion3 decks29 decks
5%synergy
Malakir Rebirth
10%inclusion3 decks29 decks
-5%synergy
Red Elemental Blast
10%inclusion3 decks29 decks
2%synergy
Deadly Rollick
6.9%inclusion2 decks29 decks
-15%synergy
Thrill of Possibility
6.9%inclusion2 decks29 decks
-11%synergy
Entomb
6.9%inclusion2 decks29 decks
0%synergy
Untimely Malfunction
6.9%inclusion2 decks29 decks
-12%synergy
Wild Magic Surge
6.9%inclusion2 decks29 decks
5%synergy
Cabal Ritual
6.9%inclusion2 decks29 decks
-2%synergy
Culling the Weak
6.9%inclusion2 decks29 decks
0%synergy
Pyroblast
6.9%inclusion2 decks29 decks
-2%synergy
Abrade
6.9%inclusion2 decks29 decks
-15%synergy
Manhole Missile
5.9%inclusion1 decks17 decks
6%synergy
Sorceries
Feed the Swarm
17%inclusion5 decks29 decks
-24%synergy
Blasphemous Act
17%inclusion5 decks29 decks
-34%synergy
Reanimate
17%inclusion5 decks29 decks
-6%synergy
Into the Fire
17%inclusion5 decks29 decks
16%synergy
Victimize
14%inclusion4 decks29 decks
-1%synergy
Doomsday
14%inclusion4 decks29 decks
13%synergy
Dread Return
10%inclusion3 decks29 decks
6%synergy
Sinister Waltz
10%inclusion3 decks29 decks
9%synergy
Faithless Looting
10%inclusion3 decks29 decks
-17%synergy
Lively Dirge
6.9%inclusion2 decks29 decks
5%synergy
Vandalblast
6.9%inclusion2 decks29 decks
-23%synergy
Agadeem's Awakening
6.9%inclusion2 decks29 decks
3%synergy
Read the Bones
6.9%inclusion2 decks29 decks
-5%synergy
Praetor's Grasp
6.9%inclusion2 decks29 decks
4%synergy
Rite of Flame
6.9%inclusion2 decks29 decks
2%synergy
Living Death
6.9%inclusion2 decks29 decks
3%synergy
Last One Standing
6.9%inclusion2 decks29 decks
5%synergy
Gamble
6.9%inclusion2 decks29 decks
-3%synergy
Insatiable Avarice
6.9%inclusion2 decks29 decks
3%synergy
Toxic Deluge
6.9%inclusion2 decks29 decks
-10%synergy
Cruel Tutor
6.9%inclusion2 decks29 decks
6%synergy
Grim Tutor
6.9%inclusion2 decks29 decks
3%synergy
Reckless Handling
6.9%inclusion2 decks29 decks
6%synergy
Utility Artifacts
Teferi's Puzzle Box
24%inclusion7 decks29 decks
23%synergy
Phyrexian Altar
24%inclusion7 decks29 decks
18%synergy
Reito Lantern
21%inclusion6 decks29 decks
20%synergy
Desecrated Tomb
17%inclusion5 decks29 decks
17%synergy
Cloak and Dagger
17%inclusion5 decks29 decks
17%synergy
Crystal Ball
17%inclusion5 decks29 decks
17%synergy
Darksteel Pendant
14%inclusion4 decks29 decks
14%synergy
Soldevi Digger
14%inclusion4 decks29 decks
14%synergy
Lightning Greaves
14%inclusion4 decks29 decks
-21%synergy
Thornbite Staff
14%inclusion4 decks29 decks
13%synergy
Sensei's Divining Top
10%inclusion3 decks29 decks
5%synergy
Illusionist's Bracers
10%inclusion3 decks29 decks
10%synergy
Conjurer's Bauble
10%inclusion3 decks29 decks
10%synergy
Scroll Rack
10%inclusion3 decks29 decks
10%synergy
Skullclamp
10%inclusion3 decks29 decks
-0%synergy
Nim Deathmantle
10%inclusion3 decks29 decks
10%synergy
Altar of Dementia
10%inclusion3 decks29 decks
8%synergy
Jar of Eyeballs
6.9%inclusion2 decks29 decks
7%synergy
Crucible of Worlds
6.9%inclusion2 decks29 decks
6%synergy
Wishclaw Talisman
6.9%inclusion2 decks29 decks
1%synergy
Swiftfoot Boots
6.9%inclusion2 decks29 decks
-24%synergy
Goblin Charbelcher
6.9%inclusion2 decks29 decks
7%synergy
Enchantments
Goblin Bombardment
31%inclusion9 decks29 decks
21%synergy
Impact Tremors
21%inclusion6 decks29 decks
10%synergy
Mindmoil
17%inclusion5 decks29 decks
17%synergy
Fires of Invention
14%inclusion4 decks29 decks
14%synergy
Thran Vigil
10%inclusion3 decks29 decks
9%synergy
Braid of Fire
10%inclusion3 decks29 decks
8%synergy
Shadows of the Past
10%inclusion3 decks29 decks
10%synergy
Boggart Mischief
10%inclusion2 decks20 decks
5%synergy
Teval's Judgment
7.4%inclusion2 decks27 decks
7%synergy
Black Market
6.9%inclusion2 decks29 decks
2%synergy
Mana Echoes
6.9%inclusion2 decks29 decks
6%synergy
Meek Attack
5.0%inclusion1 decks20 decks
5%synergy
Utility Lands
Buried Ruin
48%inclusion14 decks29 decks
45%synergy
Zhalfirin Void
41%inclusion12 decks29 decks
40%synergy
Vault of Whispers
31%inclusion9 decks29 decks
25%synergy
Great Furnace
31%inclusion9 decks29 decks
24%synergy
Bojuka Bog
28%inclusion8 decks29 decks
-8%synergy
Phyrexian Tower
28%inclusion8 decks29 decks
17%synergy
Urborg, Tomb of Yawgmoth
28%inclusion8 decks29 decks
9%synergy
Crypt of Agadeem
14%inclusion4 decks29 decks
13%synergy
Nykthos, Shrine to Nyx
14%inclusion4 decks29 decks
12%synergy
Temple of the False God
14%inclusion4 decks29 decks
4%synergy
Cabal Coffers
10%inclusion3 decks29 decks
1%synergy
High Market
10%inclusion3 decks29 decks
6%synergy
Inventors' Fair
10%inclusion3 decks29 decks
9%synergy
Takenuma, Abandoned Mire
10%inclusion3 decks29 decks
2%synergy
Drownyard Temple
10%inclusion3 decks29 decks
9%synergy
Homeward Path
10%inclusion3 decks29 decks
9%synergy
City of Traitors
10%inclusion3 decks29 decks
9%synergy
Rogue's Passage
10%inclusion3 decks29 decks
-9%synergy
Den of the Bugbear
10%inclusion3 decks29 decks
8%synergy
Westvale Abbey
6.9%inclusion2 decks29 decks
5%synergy
Boseiju, Who Shelters All
6.9%inclusion2 decks29 decks
6%synergy
Arid Archway
6.9%inclusion2 decks29 decks
6%synergy
Urza's Saga
6.9%inclusion2 decks29 decks
1%synergy
Crystal Vein
6.9%inclusion2 decks29 decks
6%synergy
Spinerock Knoll
6.9%inclusion2 decks29 decks
-2%synergy
Spymaster's Vault
6.9%inclusion2 decks29 decks
4%synergy
Witch's Cottage
6.9%inclusion2 decks29 decks
4%synergy
Sokenzan, Crucible of Defiance
6.9%inclusion2 decks29 decks
3%synergy
Dakmor Salvage
6.9%inclusion2 decks29 decks
6%synergy
Fire Nation Palace
5.0%inclusion1 decks20 decks
0%synergy
Mana Artifacts
Sol Ring
76%inclusion22 decks29 decks
-10%synergy
Arcane Signet
45%inclusion13 decks29 decks
-37%synergy
Rakdos Signet
34%inclusion10 decks29 decks
-22%synergy
Thran Turbine
24%inclusion7 decks29 decks
23%synergy
Talisman of Indulgence
17%inclusion5 decks29 decks
-38%synergy
Lotus Petal
14%inclusion4 decks29 decks
6%synergy
Mox Amber
14%inclusion4 decks29 decks
9%synergy
Fellwar Stone
14%inclusion4 decks29 decks
-19%synergy
Mox Opal
14%inclusion4 decks29 decks
10%synergy
Mind Stone
10%inclusion3 decks29 decks
-17%synergy
Springleaf Drum
6.9%inclusion2 decks29 decks
5%synergy
Lands
Swamp
97%inclusion28 decks29 decks
-1%synergy
Mountain
97%inclusion28 decks29 decks
-1%synergy
Command Tower
86%inclusion25 decks29 decks
0%synergy
Blood Crypt
69%inclusion20 decks29 decks
21%synergy
Sulfurous Springs
62%inclusion18 decks29 decks
14%synergy
Dragonskull Summit
59%inclusion17 decks29 decks
-6%synergy
Temple of Malice
55%inclusion16 decks29 decks
23%synergy
Smoldering Marsh
52%inclusion15 decks29 decks
-12%synergy
Valakut Awakening
48%inclusion14 decks29 decks
40%synergy
Boggart Trawler
45%inclusion13 decks29 decks
37%synergy
Shadowblood Ridge
38%inclusion11 decks29 decks
3%synergy
Foreboding Ruins
38%inclusion11 decks29 decks
-8%synergy
Luxury Suite
38%inclusion11 decks29 decks
-1%synergy
Graven Cairns
34%inclusion10 decks29 decks
2%synergy
Tainted Peak
34%inclusion10 decks29 decks
-9%synergy
Blightstep Pathway
34%inclusion10 decks29 decks
12%synergy
Bloodstained Mire
34%inclusion10 decks29 decks
1%synergy
Raucous Theater
31%inclusion9 decks29 decks
9%synergy
Path of Ancestry
31%inclusion9 decks29 decks
14%synergy
Rakdos Carnarium
28%inclusion8 decks29 decks
-2%synergy
Exotic Orchard
28%inclusion8 decks29 decks
-3%synergy
Cavern of Souls
28%inclusion8 decks29 decks
22%synergy
Blazemire Verge
28%inclusion8 decks29 decks
-4%synergy
Badlands
24%inclusion7 decks29 decks
11%synergy
Pinnacle Monk
24%inclusion7 decks29 decks
17%synergy
Haunted Ridge
21%inclusion6 decks29 decks
-16%synergy
Canyon Slough
17%inclusion5 decks29 decks
-2%synergy
Myriad Landscape
17%inclusion5 decks29 decks
1%synergy
Wooded Foothills
17%inclusion5 decks29 decks
10%synergy
The Grey Havens
17%inclusion5 decks29 decks
17%synergy
Gemstone Caverns
17%inclusion5 decks29 decks
13%synergy
Mana Confluence
17%inclusion5 decks29 decks
11%synergy
Polluted Delta
17%inclusion5 decks29 decks
9%synergy
Crystal Grotto
17%inclusion5 decks29 decks
17%synergy
Ash Barrens
14%inclusion4 decks29 decks
7%synergy
Blackcleave Cliffs
14%inclusion4 decks29 decks
-7%synergy
Demolition Field
14%inclusion4 decks29 decks
11%synergy
Maestros Theater
14%inclusion4 decks29 decks
12%synergy
Evolving Wilds
14%inclusion4 decks29 decks
-6%synergy
Arid Mesa
14%inclusion4 decks29 decks
6%synergy
Marsh Flats
14%inclusion4 decks29 decks
6%synergy
City of Brass
14%inclusion4 decks29 decks
7%synergy
Fell the Profane
10%inclusion3 decks29 decks
-2%synergy
Auntie's Hovel
10%inclusion3 decks29 decks
9%synergy
Urza's Cave
10%inclusion3 decks29 decks
9%synergy
Riveteers Overlook
10%inclusion3 decks29 decks
9%synergy
Verdant Catacombs
10%inclusion3 decks29 decks
4%synergy
Mount Doom
10%inclusion3 decks29 decks
-6%synergy
Malakir Rebirth
10%inclusion3 decks29 decks
-5%synergy
Opal Palace
10%inclusion3 decks29 decks
9%synergy
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