Grenzo, Dungeon Warden (Commander) - Upgraded

Grenzo, Dungeon Warden
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Background image for The Best X-Cost Spell Combos in Commander
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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Manhole Missile
5.0%inclusion5 decks101 decks
5%synergy
Raphael, Tough Turtle
2.9%inclusion3 decks102 decks
2%synergy
Garrison Excavator
2.4%inclusion1 decks41 decks
2%synergy
Relic Retriever
2.4%inclusion1 decks42 decks
2%synergy
Grave Researcher
2.3%inclusion1 decks44 decks
1%synergy
High Synergy Cards
Heartstone
75%inclusion257 decks344 decks
73%synergy
Siege-Gang Commander
67%inclusion230 decks344 decks
64%synergy
Barkform Harvester
61%inclusion208 decks343 decks
60%synergy
The Cauldron of Eternity
61%inclusion209 decks344 decks
60%synergy
Tel-Jilad Stylus
60%inclusion205 decks344 decks
59%synergy
Ashnod's Altar
68%inclusion235 decks344 decks
58%synergy
Sling-Gang Lieutenant
60%inclusion208 decks344 decks
57%synergy
Skirk Prospector
61%inclusion210 decks344 decks
56%synergy
Murderous Redcap
58%inclusion200 decks344 decks
55%synergy
Tomb Trawler
55%inclusion190 decks344 decks
54%synergy
Top Cards
Viscera Seer
63%inclusion217 decks344 decks
54%synergy
Kiki-Jiki, Mirror Breaker
54%inclusion187 decks344 decks
50%synergy
Krenko, Mob Boss
53%inclusion182 decks344 decks
49%synergy
Workhorse
52%inclusion180 decks344 decks
52%synergy
Pitiless Plunderer
52%inclusion178 decks344 decks
39%synergy
Goblin Matron
51%inclusion175 decks344 decks
48%synergy
Hoverstone Pilgrim
49%inclusion167 decks344 decks
48%synergy
Priest of Gix
47%inclusion163 decks344 decks
45%synergy
Priest of Urabrask
47%inclusion161 decks344 decks
45%synergy
Solemn Simulacrum
46%inclusion159 decks344 decks
26%synergy
Game Changers
Ancient Tomb
12%inclusion42 decks344 decks
3%synergy
Gamble
10%inclusion34 decks344 decks
0%synergy
Jeska's Will
9.0%inclusion31 decks344 decks
-14%synergy
Demonic Tutor
8.4%inclusion29 decks344 decks
-9%synergy
Orcish Bowmasters
6.4%inclusion22 decks344 decks
-4%synergy
Vampiric Tutor
6.1%inclusion21 decks344 decks
-8%synergy
Creatures
Mad Auntie
46%inclusion158 decks344 decks
44%synergy
Goblin Engineer
44%inclusion153 decks344 decks
40%synergy
Zulaport Cutthroat
44%inclusion150 decks344 decks
35%synergy
Palladium Myr
44%inclusion150 decks344 decks
42%synergy
Gray Merchant of Asphodel
40%inclusion136 decks344 decks
29%synergy
Goblin Trashmaster
39%inclusion135 decks344 decks
37%synergy
Meteor Golem
39%inclusion135 decks344 decks
37%synergy
Boggart Trawler
39%inclusion133 decks344 decks
32%synergy
Woe Strider
38%inclusion130 decks344 decks
35%synergy
Metallic Mimic
38%inclusion130 decks344 decks
36%synergy
Goblin Warchief
38%inclusion129 decks344 decks
35%synergy
Goblin Chieftain
37%inclusion128 decks344 decks
35%synergy
Iron Myr
37%inclusion127 decks344 decks
35%synergy
Leaden Myr
36%inclusion124 decks344 decks
34%synergy
Epitaph Golem
36%inclusion123 decks344 decks
35%synergy
Goblin Welder
35%inclusion122 decks344 decks
33%synergy
Warren Soultrader
35%inclusion122 decks344 decks
28%synergy
Junktroller
35%inclusion120 decks344 decks
34%synergy
Pawn of Ulamog
35%inclusion120 decks344 decks
32%synergy
Blood Artist
34%inclusion117 decks344 decks
15%synergy
Ravenous Chupacabra
33%inclusion114 decks344 decks
31%synergy
Beetleback Chief
33%inclusion114 decks344 decks
32%synergy
Ornithopter of Paradise
32%inclusion109 decks344 decks
28%synergy
Pashalik Mons
32%inclusion109 decks344 decks
30%synergy
Goblin Chirurgeon
31%inclusion106 decks344 decks
29%synergy
Duplicant
31%inclusion106 decks344 decks
30%synergy
Munitions Expert
29%inclusion100 decks344 decks
27%synergy
Bronze Walrus
29%inclusion99 decks344 decks
28%synergy
Mogg War Marshal
28%inclusion98 decks344 decks
26%synergy
Boggart Cursecrafter
28%inclusion44 decks157 decks
22%synergy
Zealous Conscripts
28%inclusion95 decks344 decks
26%synergy
Emrakul's Hatcher
27%inclusion94 decks344 decks
27%synergy
Warteye Witch
26%inclusion91 decks344 decks
26%synergy
Conspicuous Snoop
26%inclusion89 decks344 decks
24%synergy
Goblin King
26%inclusion88 decks344 decks
24%synergy
Anger
25%inclusion87 decks344 decks
13%synergy
Chainer, Nightmare Adept
25%inclusion86 decks344 decks
17%synergy
Krenko, Tin Street Kingpin
24%inclusion83 decks344 decks
20%synergy
Goblin Recruiter
23%inclusion80 decks344 decks
22%synergy
Boggart Harbinger
23%inclusion80 decks344 decks
21%synergy
Frogtosser Banneret
23%inclusion78 decks344 decks
21%synergy
Crypt Ghast
23%inclusion78 decks344 decks
20%synergy
Goblin Sharpshooter
23%inclusion78 decks344 decks
21%synergy
Imperial Recruiter
22%inclusion77 decks344 decks
18%synergy
Hobgoblin Bandit Lord
22%inclusion76 decks344 decks
21%synergy
Treasonous Ogre
21%inclusion73 decks344 decks
18%synergy
Pinnacle Monk
21%inclusion73 decks344 decks
14%synergy
Mayhem Devil
21%inclusion72 decks344 decks
-3%synergy
Deathbringer Thoctar
21%inclusion71 decks344 decks
20%synergy
Marionette Master
21%inclusion71 decks344 decks
15%synergy
Instants
Valakut Awakening
44%inclusion153 decks344 decks
37%synergy
Chaos Warp
29%inclusion100 decks344 decks
-19%synergy
Fire Prophecy
28%inclusion98 decks344 decks
28%synergy
Volcanic Spite
27%inclusion92 decks344 decks
26%synergy
Dark Ritual
22%inclusion75 decks344 decks
-20%synergy
Brightstone Ritual
17%inclusion59 decks344 decks
16%synergy
Terminate
17%inclusion58 decks344 decks
-23%synergy
Rakdos Charm
16%inclusion54 decks344 decks
-28%synergy
Bedevil
14%inclusion48 decks344 decks
-21%synergy
Fell the Profane
12%inclusion41 decks344 decks
-1%synergy
Malakir Rebirth
10%inclusion36 decks344 decks
-5%synergy
Battle Hymn
8.1%inclusion28 decks344 decks
7%synergy
Village Rites
7.3%inclusion25 decks344 decks
-8%synergy
Abrade
7.0%inclusion24 decks344 decks
-14%synergy
Deflecting Swat
7.0%inclusion24 decks344 decks
-14%synergy
Deadly Rollick
6.4%inclusion22 decks344 decks
-15%synergy
Lightning Bolt
6.4%inclusion22 decks344 decks
-12%synergy
Withering Torment
5.8%inclusion20 decks343 decks
-16%synergy
Entomb
5.2%inclusion18 decks344 decks
-2%synergy
Tibalt's Trickery
5.2%inclusion18 decks344 decks
-8%synergy
Sorceries
Blasphemous Act
25%inclusion85 decks344 decks
-26%synergy
Read the Bones
23%inclusion79 decks344 decks
10%synergy
Into the Fire
21%inclusion72 decks344 decks
20%synergy
Feed the Swarm
18%inclusion63 decks344 decks
-23%synergy
Faithless Looting
17%inclusion58 decks344 decks
-11%synergy
Vandalblast
13%inclusion43 decks344 decks
-18%synergy
Dread Return
11%inclusion39 decks344 decks
7%synergy
Agadeem's Awakening
10%inclusion36 decks344 decks
7%synergy
Victimize
10%inclusion34 decks344 decks
-5%synergy
Doomsday
9.3%inclusion32 decks344 decks
9%synergy
Living Death
9.3%inclusion32 decks344 decks
5%synergy
Reanimate
9.0%inclusion31 decks344 decks
-14%synergy
Toxic Deluge
9.0%inclusion31 decks344 decks
-9%synergy
Mana Geyser
7.3%inclusion25 decks344 decks
-5%synergy
Patriarch's Bidding
7.0%inclusion24 decks344 decks
4%synergy
Sinister Waltz
7.0%inclusion24 decks344 decks
5%synergy
Sundering Eruption
7.0%inclusion24 decks344 decks
2%synergy
Grub's Command
6.9%inclusion11 decks159 decks
3%synergy
Goblin War Strike
6.7%inclusion23 decks344 decks
6%synergy
Diabolic Tutor
6.4%inclusion22 decks344 decks
0%synergy
Diabolic Intent
6.1%inclusion21 decks344 decks
-2%synergy
Bloodline Bidding
5.0%inclusion8 decks159 decks
1%synergy
Utility Artifacts
Skullclamp
26%inclusion88 decks344 decks
16%synergy
Lightning Greaves
21%inclusion73 decks344 decks
-14%synergy
Teferi's Puzzle Box
21%inclusion71 decks344 decks
20%synergy
Cloak and Dagger
19%inclusion64 decks344 decks
18%synergy
Reito Lantern
18%inclusion63 decks344 decks
18%synergy
Crystal Ball
17%inclusion60 decks344 decks
17%synergy
Swiftfoot Boots
16%inclusion54 decks344 decks
-16%synergy
Darksteel Pendant
13%inclusion44 decks344 decks
13%synergy
Phyrexian Altar
13%inclusion43 decks344 decks
7%synergy
Desecrated Tomb
12%inclusion42 decks344 decks
12%synergy
Soldevi Digger
10%inclusion33 decks344 decks
9%synergy
Illusionist's Bracers
9.3%inclusion32 decks344 decks
9%synergy
Goblin Charbelcher
8.7%inclusion30 decks344 decks
8%synergy
Crucible of Worlds
6.1%inclusion21 decks344 decks
5%synergy
Treasure Map
5.2%inclusion18 decks344 decks
4%synergy
Thornbite Staff
5.2%inclusion18 decks344 decks
5%synergy
Enchantments
Goblin Bombardment
31%inclusion108 decks344 decks
22%synergy
Impact Tremors
27%inclusion94 decks344 decks
16%synergy
Braid of Fire
17%inclusion59 decks344 decks
15%synergy
Mana Echoes
14%inclusion49 decks344 decks
14%synergy
Boggart Mischief
13%inclusion21 decks159 decks
8%synergy
Shared Animosity
8.1%inclusion28 decks344 decks
5%synergy
Phyrexian Arena
7.8%inclusion27 decks344 decks
-16%synergy
Mindmoil
6.7%inclusion23 decks344 decks
7%synergy
Black Market
5.8%inclusion20 decks344 decks
1%synergy
Fires of Invention
5.8%inclusion20 decks344 decks
6%synergy
Shadows of the Past
5.8%inclusion20 decks344 decks
5%synergy
Thran Vigil
5.2%inclusion18 decks344 decks
4%synergy
Quest for the Goblin Lord
5.2%inclusion18 decks344 decks
5%synergy
Utility Lands
Zhalfirin Void
41%inclusion140 decks344 decks
40%synergy
Buried Ruin
35%inclusion121 decks344 decks
32%synergy
Bojuka Bog
29%inclusion101 decks344 decks
-6%synergy
Phyrexian Tower
27%inclusion94 decks344 decks
17%synergy
Urborg, Tomb of Yawgmoth
24%inclusion84 decks344 decks
6%synergy
Great Furnace
19%inclusion67 decks344 decks
13%synergy
Vault of Whispers
19%inclusion65 decks344 decks
13%synergy
Three Tree City
12%inclusion42 decks343 decks
9%synergy
Temple of the False God
11%inclusion38 decks344 decks
1%synergy
Spinerock Knoll
10%inclusion35 decks344 decks
1%synergy
Nykthos, Shrine to Nyx
10%inclusion33 decks344 decks
8%synergy
Den of the Bugbear
10%inclusion33 decks344 decks
8%synergy
Takenuma, Abandoned Mire
9.0%inclusion31 decks344 decks
0%synergy
Isolated Watchtower
8.7%inclusion30 decks344 decks
9%synergy
Cabal Coffers
8.4%inclusion29 decks344 decks
-1%synergy
Drownyard Temple
8.1%inclusion28 decks344 decks
7%synergy
Castle Embereth
8.1%inclusion28 decks344 decks
5%synergy
Darksteel Citadel
7.3%inclusion25 decks344 decks
3%synergy
Inventors' Fair
6.7%inclusion23 decks344 decks
5%synergy
High Market
6.4%inclusion22 decks344 decks
2%synergy
Spymaster's Vault
5.8%inclusion20 decks344 decks
3%synergy
Fire Nation Palace
5.5%inclusion11 decks199 decks
0%synergy
Urza's Saga
5.2%inclusion18 decks344 decks
-1%synergy
Mana Artifacts
Sol Ring
80%inclusion276 decks344 decks
-6%synergy
Arcane Signet
47%inclusion162 decks344 decks
-35%synergy
Rakdos Signet
33%inclusion112 decks344 decks
-26%synergy
Thran Turbine
32%inclusion111 decks344 decks
32%synergy
Talisman of Indulgence
30%inclusion104 decks344 decks
-25%synergy
Fellwar Stone
10%inclusion36 decks344 decks
-23%synergy
Mind Stone
7.8%inclusion27 decks344 decks
-21%synergy
Vessel of Endless Rest
6.1%inclusion21 decks344 decks
6%synergy
Lands
Mountain
98%inclusion336 decks344 decks
0%synergy
Swamp
97%inclusion335 decks344 decks
0%synergy
Command Tower
87%inclusion300 decks344 decks
1%synergy
Dragonskull Summit
65%inclusion223 decks344 decks
2%synergy
Smoldering Marsh
61%inclusion211 decks344 decks
-2%synergy
Temple of Malice
59%inclusion203 decks344 decks
26%synergy
Blood Crypt
56%inclusion191 decks344 decks
9%synergy
Sulfurous Springs
51%inclusion177 decks344 decks
4%synergy
Valakut Awakening
44%inclusion153 decks344 decks
37%synergy
Luxury Suite
43%inclusion147 decks344 decks
5%synergy
Path of Ancestry
42%inclusion146 decks344 decks
26%synergy
Graven Cairns
41%inclusion142 decks344 decks
11%synergy
Boggart Trawler
39%inclusion133 decks344 decks
32%synergy
Bloodstained Mire
37%inclusion126 decks344 decks
4%synergy
Shadowblood Ridge
35%inclusion121 decks344 decks
0%synergy
Foreboding Ruins
33%inclusion114 decks344 decks
-13%synergy
Rakdos Carnarium
33%inclusion113 decks344 decks
1%synergy
Tainted Peak
31%inclusion108 decks344 decks
-11%synergy
Haunted Ridge
31%inclusion107 decks344 decks
-5%synergy
Crystal Grotto
28%inclusion96 decks344 decks
27%synergy
Blightstep Pathway
25%inclusion86 decks344 decks
2%synergy
Blazemire Verge
24%inclusion83 decks343 decks
-6%synergy
Exotic Orchard
22%inclusion76 decks344 decks
-9%synergy
The Grey Havens
22%inclusion75 decks344 decks
21%synergy
Pinnacle Monk
21%inclusion73 decks344 decks
14%synergy
Raucous Theater
20%inclusion68 decks344 decks
-2%synergy
Auntie's Hovel
20%inclusion68 decks344 decks
18%synergy
Canyon Slough
15%inclusion50 decks344 decks
-5%synergy
Evolving Wilds
14%inclusion49 decks344 decks
-7%synergy
Blackcleave Cliffs
14%inclusion49 decks344 decks
-6%synergy
Badlands
14%inclusion47 decks344 decks
0%synergy
Rumble Arena
13%inclusion26 decks197 decks
13%synergy
Cavern of Souls
13%inclusion45 decks344 decks
8%synergy
Fell the Profane
12%inclusion41 decks344 decks
-1%synergy
Terramorphic Expanse
11%inclusion37 decks344 decks
-5%synergy
Agadeem's Awakening
10%inclusion36 decks344 decks
7%synergy
Malakir Rebirth
10%inclusion36 decks344 decks
-5%synergy
Opal Palace
10%inclusion35 decks344 decks
9%synergy
Myriad Landscape
10%inclusion34 decks344 decks
-8%synergy
Bloodfell Caves
8.1%inclusion28 decks344 decks
-11%synergy
Polluted Delta
8.1%inclusion28 decks344 decks
0%synergy
Eclipsed Realms
7.6%inclusion12 decks158 decks
5%synergy
Mount Doom
7.6%inclusion26 decks344 decks
-9%synergy
Plaza of Heroes
7.6%inclusion26 decks344 decks
6%synergy
Unclaimed Territory
7.0%inclusion24 decks344 decks
4%synergy
Wooded Foothills
7.0%inclusion24 decks344 decks
0%synergy
Sundering Eruption
7.0%inclusion24 decks344 decks
2%synergy
Arid Mesa
7.0%inclusion24 decks344 decks
-1%synergy
Prismatic Vista
6.4%inclusion22 decks344 decks
1%synergy
Fabled Passage
6.4%inclusion22 decks344 decks
-2%synergy
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