Grenzo, Dungeon Warden (Commander) - Activated Abilities

Grenzo, Dungeon Warden
Rank #538
22decks
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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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Relic Retriever
33%inclusion2 decks6 decks
33%synergy
Spirit of Resilience
33%inclusion2 decks6 decks
33%synergy
Merchant of Venom
17%inclusion1 decks6 decks
16%synergy
Blazing Firesinger
17%inclusion1 decks6 decks
15%synergy
High Synergy Cards
The Cauldron of Eternity
77%inclusion17 decks22 decks
76%synergy
Hoverstone Pilgrim
68%inclusion15 decks22 decks
68%synergy
Barkform Harvester
64%inclusion14 decks22 decks
63%synergy
Heartstone
64%inclusion14 decks22 decks
61%synergy
Ashnod's Altar
68%inclusion15 decks22 decks
58%synergy
Zhalfirin Void
55%inclusion12 decks22 decks
53%synergy
Tomb Trawler
50%inclusion11 decks22 decks
49%synergy
Palladium Myr
50%inclusion11 decks22 decks
49%synergy
Ravenous Chupacabra
50%inclusion11 decks22 decks
48%synergy
Meteor Golem
50%inclusion11 decks22 decks
48%synergy
Top Cards
Solemn Simulacrum
50%inclusion11 decks22 decks
30%synergy
Pawn of Ulamog
50%inclusion11 decks22 decks
48%synergy
Bronze Walrus
41%inclusion9 decks22 decks
40%synergy
Junktroller
41%inclusion9 decks22 decks
40%synergy
Zulaport Cutthroat
41%inclusion9 decks22 decks
33%synergy
The Walls of Ba Sing Se
40%inclusion4 decks10 decks
39%synergy
Blood Artist
36%inclusion8 decks22 decks
18%synergy
Gray Merchant of Asphodel
36%inclusion8 decks22 decks
26%synergy
Woe Strider
36%inclusion8 decks22 decks
34%synergy
Mad Auntie
36%inclusion8 decks22 decks
34%synergy
Game Changers
Gamble
9.1%inclusion2 decks22 decks
-1%synergy
Creatures
Workhorse
36%inclusion8 decks22 decks
36%synergy
Priest of Gix
36%inclusion8 decks22 decks
34%synergy
Priest of Urabrask
36%inclusion8 decks22 decks
34%synergy
Viscera Seer
36%inclusion8 decks22 decks
27%synergy
Chainer, Nightmare Adept
32%inclusion7 decks22 decks
24%synergy
Murderous Redcap
32%inclusion7 decks22 decks
28%synergy
Flayer of the Hatebound
32%inclusion7 decks22 decks
30%synergy
Epitaph Golem
32%inclusion7 decks22 decks
31%synergy
Sling-Gang Lieutenant
27%inclusion6 decks22 decks
24%synergy
Burnished Hart
27%inclusion6 decks22 decks
23%synergy
Clone Shell
27%inclusion6 decks22 decks
27%synergy
Pitiless Plunderer
27%inclusion6 decks22 decks
15%synergy
Judith, the Scourge Diva
27%inclusion6 decks22 decks
24%synergy
Siege-Gang Commander
27%inclusion6 decks22 decks
24%synergy
Soldevi Adnate
27%inclusion6 decks22 decks
27%synergy
Ardyn, the Usurper
25%inclusion4 decks16 decks
23%synergy
Cait Sith, Fortune Teller
25%inclusion4 decks16 decks
25%synergy
Murderous Rider
23%inclusion5 decks22 decks
21%synergy
Illuminor Szeras
23%inclusion5 decks22 decks
21%synergy
Emrakul's Hatcher
23%inclusion5 decks22 decks
22%synergy
Boggart Trawler
23%inclusion5 decks22 decks
16%synergy
Massacre Wurm
23%inclusion5 decks22 decks
15%synergy
Neheb, the Eternal
23%inclusion5 decks22 decks
16%synergy
Goblin Engineer
23%inclusion5 decks22 decks
19%synergy
Thermopod
23%inclusion5 decks22 decks
22%synergy
Alena, Kessig Trapper
23%inclusion5 decks22 decks
23%synergy
Goblin Chirurgeon
23%inclusion5 decks22 decks
21%synergy
Duplicant
23%inclusion5 decks22 decks
22%synergy
Pinnacle Monk
23%inclusion5 decks22 decks
16%synergy
Leaden Myr
23%inclusion5 decks22 decks
21%synergy
Avatar Roku, Firebender
20%inclusion2 decks10 decks
17%synergy
Koh, the Face Stealer
20%inclusion2 decks10 decks
19%synergy
Eclipsed Boggart
20%inclusion2 decks10 decks
16%synergy
Summon: Esper Valigarmanda
19%inclusion3 decks16 decks
18%synergy
Ultima, Origin of Oblivion
19%inclusion3 decks16 decks
19%synergy
Zealous Conscripts
18%inclusion4 decks22 decks
16%synergy
Deathbringer Thoctar
18%inclusion4 decks22 decks
17%synergy
Angrath's Marauders
18%inclusion4 decks22 decks
16%synergy
Blackbloom Rogue
18%inclusion4 decks22 decks
18%synergy
Falkenrath Noble
18%inclusion4 decks22 decks
14%synergy
Ornithopter of Paradise
18%inclusion4 decks22 decks
14%synergy
Tesak, Judith's Hellhound
18%inclusion4 decks22 decks
18%synergy
Urabrask the Hidden
18%inclusion4 decks22 decks
16%synergy
Shriekmaw
18%inclusion4 decks22 decks
16%synergy
Treasonous Ogre
18%inclusion4 decks22 decks
15%synergy
Phyrexian Vivisector
18%inclusion4 decks22 decks
18%synergy
Archon of Cruelty
18%inclusion4 decks22 decks
15%synergy
Akoum Warrior
18%inclusion4 decks22 decks
18%synergy
Nightmare Shepherd
18%inclusion4 decks22 decks
17%synergy
Beetleback Chief
18%inclusion4 decks22 decks
17%synergy
Instants
Valakut Awakening
55%inclusion12 decks22 decks
47%synergy
Fire Prophecy
36%inclusion8 decks22 decks
36%synergy
Chaos Warp
32%inclusion7 decks22 decks
-16%synergy
Fell the Profane
23%inclusion5 decks22 decks
10%synergy
Volcanic Spite
23%inclusion5 decks22 decks
22%synergy
Rakdos Charm
18%inclusion4 decks22 decks
-26%synergy
Terminate
18%inclusion4 decks22 decks
-22%synergy
Malakir Rebirth
18%inclusion4 decks22 decks
3%synergy
Abrade
18%inclusion4 decks22 decks
-3%synergy
Thrill of Possibility
14%inclusion3 decks22 decks
-5%synergy
Bedevil
14%inclusion3 decks22 decks
-21%synergy
Manhole Missile
13%inclusion1 decks8 decks
12%synergy
Imp's Mischief
9.1%inclusion2 decks22 decks
0%synergy
Village Rites
9.1%inclusion2 decks22 decks
-6%synergy
Dark Ritual
9.1%inclusion2 decks22 decks
-33%synergy
Murder
9.1%inclusion2 decks22 decks
5%synergy
Withering Torment
9.1%inclusion2 decks22 decks
-13%synergy
Overkill
6.3%inclusion1 decks16 decks
3%synergy
Sorceries
Read the Bones
32%inclusion7 decks22 decks
20%synergy
Blasphemous Act
32%inclusion7 decks22 decks
-19%synergy
Sozin's Comet
30%inclusion3 decks10 decks
26%synergy
Feed the Swarm
27%inclusion6 decks22 decks
-14%synergy
Bloodsoaked Insight
23%inclusion5 decks22 decks
14%synergy
Into the Fire
23%inclusion5 decks22 decks
22%synergy
Vandalblast
18%inclusion4 decks22 decks
-12%synergy
Sinister Waltz
18%inclusion4 decks22 decks
17%synergy
Faithless Looting
18%inclusion4 decks22 decks
-10%synergy
Blood Price
14%inclusion3 decks22 decks
13%synergy
Mana Geyser
14%inclusion3 decks22 decks
1%synergy
Sundering Eruption
14%inclusion3 decks22 decks
9%synergy
Villainous Wrath
10%inclusion1 decks10 decks
9%synergy
Diabolic Tutor
9.1%inclusion2 decks22 decks
3%synergy
Command the Dreadhorde
9.1%inclusion2 decks22 decks
8%synergy
Dread Return
9.1%inclusion2 decks22 decks
5%synergy
Doomsday
9.1%inclusion2 decks22 decks
9%synergy
Buried Alive
9.1%inclusion2 decks22 decks
4%synergy
Toxic Deluge
9.1%inclusion2 decks22 decks
-9%synergy
Grim Tutor
9.1%inclusion2 decks22 decks
5%synergy
Utility Artifacts
Crystal Ball
36%inclusion8 decks22 decks
36%synergy
Swiftfoot Boots
36%inclusion8 decks22 decks
5%synergy
Tel-Jilad Stylus
32%inclusion7 decks22 decks
31%synergy
Planetarium of Wan Shi Tong
30%inclusion3 decks10 decks
30%synergy
Teferi's Puzzle Box
23%inclusion5 decks22 decks
22%synergy
Lightning Greaves
23%inclusion5 decks22 decks
-12%synergy
Ring of Xathrid
23%inclusion5 decks22 decks
23%synergy
Desecrated Tomb
18%inclusion4 decks22 decks
18%synergy
Treasure Map
18%inclusion4 decks22 decks
17%synergy
Illusionist's Bracers
18%inclusion4 decks22 decks
17%synergy
Reito Lantern
18%inclusion4 decks22 decks
18%synergy
Darksteel Pendant
14%inclusion3 decks22 decks
13%synergy
Skullclamp
14%inclusion3 decks22 decks
4%synergy
Cloak and Dagger
14%inclusion3 decks22 decks
13%synergy
Mazemind Tome
14%inclusion3 decks22 decks
13%synergy
Goblin Charbelcher
14%inclusion3 decks22 decks
13%synergy
Jar of Eyeballs
9.1%inclusion2 decks22 decks
9%synergy
Ring of Valkas
9.1%inclusion2 decks22 decks
9%synergy
Conjurer's Bauble
9.1%inclusion2 decks22 decks
9%synergy
Palantír of Orthanc
9.1%inclusion2 decks22 decks
8%synergy
Wishclaw Talisman
9.1%inclusion2 decks22 decks
3%synergy
Phyrexian Altar
9.1%inclusion2 decks22 decks
3%synergy
Soldevi Digger
9.1%inclusion2 decks22 decks
9%synergy
Battlemage's Bracers
9.1%inclusion2 decks22 decks
9%synergy
Enchantments
Impact Tremors
18%inclusion4 decks22 decks
7%synergy
Teval's Judgment
16%inclusion3 decks19 decks
15%synergy
Braid of Fire
14%inclusion3 decks22 decks
12%synergy
Shadows of the Past
14%inclusion3 decks22 decks
13%synergy
Thran Vigil
9.1%inclusion2 decks22 decks
8%synergy
Black Market
9.1%inclusion2 decks22 decks
4%synergy
Mindmoil
9.1%inclusion2 decks22 decks
9%synergy
Goblin Bombardment
9.1%inclusion2 decks22 decks
-1%synergy
Planeswalkers
Daretti, Scrap Savant
14%inclusion3 decks22 decks
11%synergy
Utility Lands
Buried Ruin
32%inclusion7 decks22 decks
28%synergy
Fire Nation Palace
30%inclusion3 decks10 decks
25%synergy
Temple of the False God
27%inclusion6 decks22 decks
17%synergy
Hanweir Battlements
23%inclusion5 decks22 decks
21%synergy
Guildless Commons
23%inclusion5 decks22 decks
22%synergy
Molten Slagheap
18%inclusion4 decks22 decks
16%synergy
Flamekin Village
18%inclusion4 decks22 decks
17%synergy
Vault of Whispers
14%inclusion3 decks22 decks
7%synergy
Isolated Watchtower
14%inclusion3 decks22 decks
13%synergy
Nykthos, Shrine to Nyx
14%inclusion3 decks22 decks
12%synergy
High Market
14%inclusion3 decks22 decks
9%synergy
Bojuka Bog
9.1%inclusion2 decks22 decks
-26%synergy
Phyrexian Tower
9.1%inclusion2 decks22 decks
-2%synergy
Command Beacon
9.1%inclusion2 decks22 decks
3%synergy
Urborg, Tomb of Yawgmoth
9.1%inclusion2 decks22 decks
-10%synergy
Rogue's Passage
9.1%inclusion2 decks22 decks
-11%synergy
Great Furnace
9.1%inclusion2 decks22 decks
3%synergy
Midgar, City of Mako
6.3%inclusion1 decks16 decks
-0%synergy
Mana Artifacts
Sol Ring
82%inclusion18 decks22 decks
-4%synergy
Arcane Signet
45%inclusion10 decks22 decks
-36%synergy
Rakdos Signet
36%inclusion8 decks22 decks
-21%synergy
Thran Turbine
27%inclusion6 decks22 decks
27%synergy
The Eternity Elevator
23%inclusion3 decks13 decks
23%synergy
Talisman of Indulgence
18%inclusion4 decks22 decks
-37%synergy
Lantern of Revealing
9.1%inclusion2 decks22 decks
9%synergy
Basalt Monolith
9.1%inclusion2 decks22 decks
8%synergy
Vessel of Endless Rest
9.1%inclusion2 decks22 decks
9%synergy
Mind Stone
9.1%inclusion2 decks22 decks
-19%synergy
Bender's Waterskin
9.1%inclusion1 decks11 decks
6%synergy
Lands
Swamp
100%inclusion22 decks22 decks
2%synergy
Mountain
100%inclusion22 decks22 decks
3%synergy
Command Tower
77%inclusion17 decks22 decks
-9%synergy
Smoldering Marsh
73%inclusion16 decks22 decks
9%synergy
Dragonskull Summit
73%inclusion16 decks22 decks
9%synergy
Temple of Malice
73%inclusion16 decks22 decks
40%synergy
Rakdos Carnarium
64%inclusion14 decks22 decks
32%synergy
Valakut Awakening
55%inclusion12 decks22 decks
47%synergy
Sulfurous Springs
50%inclusion11 decks22 decks
3%synergy
Graven Cairns
45%inclusion10 decks22 decks
14%synergy
Shadowblood Ridge
41%inclusion9 decks22 decks
6%synergy
Evolving Wilds
41%inclusion9 decks22 decks
20%synergy
Crystal Grotto
41%inclusion9 decks22 decks
40%synergy
Blood Crypt
32%inclusion7 decks22 decks
-15%synergy
Luxury Suite
32%inclusion7 decks22 decks
-6%synergy
Path of Ancestry
32%inclusion7 decks22 decks
16%synergy
Haunted Ridge
32%inclusion7 decks22 decks
-4%synergy
Rumble Arena
30%inclusion3 decks10 decks
30%synergy
Terramorphic Expanse
27%inclusion6 decks22 decks
12%synergy
Foreboding Ruins
27%inclusion6 decks22 decks
-18%synergy
The Grey Havens
27%inclusion6 decks22 decks
27%synergy
Fell the Profane
23%inclusion5 decks22 decks
10%synergy
Canyon Slough
23%inclusion5 decks22 decks
3%synergy
Myriad Landscape
23%inclusion5 decks22 decks
5%synergy
Exotic Orchard
23%inclusion5 decks22 decks
-8%synergy
Boggart Trawler
23%inclusion5 decks22 decks
16%synergy
Tainted Peak
23%inclusion5 decks22 decks
-20%synergy
Bloodsoaked Insight
23%inclusion5 decks22 decks
14%synergy
Blightstep Pathway
23%inclusion5 decks22 decks
0%synergy
Pinnacle Monk
23%inclusion5 decks22 decks
16%synergy
Bloodstained Mire
23%inclusion5 decks22 decks
-11%synergy
Blackbloom Rogue
18%inclusion4 decks22 decks
18%synergy
Blazemire Verge
18%inclusion4 decks22 decks
-13%synergy
Mount Doom
18%inclusion4 decks22 decks
2%synergy
Malakir Rebirth
18%inclusion4 decks22 decks
3%synergy
Akoum Warrior
18%inclusion4 decks22 decks
18%synergy
Raucous Theater
14%inclusion3 decks22 decks
-8%synergy
Horizon of Progress
14%inclusion3 decks22 decks
13%synergy
Bloodfell Caves
14%inclusion3 decks22 decks
-5%synergy
Sundering Eruption
14%inclusion3 decks22 decks
9%synergy
Vibrant Cityscape
10%inclusion1 decks10 decks
9%synergy
The Mycosynth Gardens
9.1%inclusion2 decks22 decks
8%synergy
Fabled Passage
9.1%inclusion2 decks22 decks
0%synergy
Badlands
9.1%inclusion2 decks22 decks
-4%synergy
Rakdos Guildgate
9.1%inclusion2 decks22 decks
3%synergy
Blackcleave Cliffs
9.1%inclusion2 decks22 decks
-11%synergy
Opal Palace
9.1%inclusion2 decks22 decks
8%synergy
Geothermal Bog
9.1%inclusion2 decks22 decks
-0%synergy
Starting Town
6.3%inclusion1 decks16 decks
4%synergy
Vector, Imperial Capital
6.3%inclusion1 decks16 decks
4%synergy
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