Grenzo, Dungeon Warden (Commander) - Activated Abilities

Grenzo, Dungeon Warden
Rank #543
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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Mana Artifacts
Lands
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Great Fierce Bee
50%inclusion2 decks4 decks
50%synergy
High Synergy Cards
The Cauldron of Eternity
78%inclusion18 decks23 decks
77%synergy
Hoverstone Pilgrim
70%inclusion16 decks23 decks
69%synergy
Heartstone
70%inclusion16 decks23 decks
67%synergy
Ashnod's Altar
70%inclusion16 decks23 decks
59%synergy
Barkform Harvester
57%inclusion13 decks23 decks
55%synergy
Palladium Myr
57%inclusion13 decks23 decks
55%synergy
Pawn of Ulamog
57%inclusion13 decks23 decks
54%synergy
Zhalfirin Void
52%inclusion12 decks23 decks
51%synergy
Meteor Golem
52%inclusion12 decks23 decks
50%synergy
Junktroller
48%inclusion11 decks23 decks
47%synergy
Top Cards
Solemn Simulacrum
48%inclusion11 decks23 decks
29%synergy
The Walls of Ba Sing Se
46%inclusion6 decks13 decks
46%synergy
Bronze Walrus
43%inclusion10 decks23 decks
43%synergy
Ravenous Chupacabra
43%inclusion10 decks23 decks
41%synergy
Tomb Trawler
43%inclusion10 decks23 decks
43%synergy
Workhorse
39%inclusion9 decks23 decks
38%synergy
Zulaport Cutthroat
39%inclusion9 decks23 decks
31%synergy
Priest of Urabrask
39%inclusion9 decks23 decks
37%synergy
Pitiless Plunderer
35%inclusion8 decks23 decks
22%synergy
Blood Artist
35%inclusion8 decks23 decks
16%synergy
Creatures
Priest of Gix
35%inclusion8 decks23 decks
33%synergy
Flayer of the Hatebound
35%inclusion8 decks23 decks
33%synergy
Viscera Seer
35%inclusion8 decks23 decks
26%synergy
Clone Shell
30%inclusion7 decks23 decks
30%synergy
Chainer, Nightmare Adept
30%inclusion7 decks23 decks
23%synergy
Leaden Myr
30%inclusion7 decks23 decks
28%synergy
Soldevi Adnate
30%inclusion7 decks23 decks
30%synergy
Mad Auntie
30%inclusion7 decks23 decks
28%synergy
Goblin Engineer
30%inclusion7 decks23 decks
27%synergy
Gray Merchant of Asphodel
30%inclusion7 decks23 decks
20%synergy
Woe Strider
30%inclusion7 decks23 decks
28%synergy
Epitaph Golem
30%inclusion7 decks23 decks
30%synergy
Boggart Trawler
26%inclusion6 decks23 decks
19%synergy
Siege-Gang Commander
26%inclusion6 decks23 decks
22%synergy
Burnished Hart
26%inclusion6 decks23 decks
22%synergy
Illuminor Szeras
26%inclusion6 decks23 decks
25%synergy
Duplicant
26%inclusion6 decks23 decks
25%synergy
Judith, the Scourge Diva
26%inclusion6 decks23 decks
23%synergy
Pinnacle Monk
26%inclusion6 decks23 decks
19%synergy
Sling-Gang Lieutenant
26%inclusion6 decks23 decks
22%synergy
Murderous Redcap
26%inclusion6 decks23 decks
23%synergy
Ardyn, the Usurper
22%inclusion4 decks18 decks
21%synergy
Cait Sith, Fortune Teller
22%inclusion4 decks18 decks
22%synergy
Neheb, the Eternal
22%inclusion5 decks23 decks
16%synergy
Kiki-Jiki, Mirror Breaker
22%inclusion5 decks23 decks
17%synergy
Massacre Wurm
22%inclusion5 decks23 decks
14%synergy
Iron Myr
22%inclusion5 decks23 decks
20%synergy
Emrakul's Hatcher
22%inclusion5 decks23 decks
21%synergy
Ornithopter of Paradise
22%inclusion5 decks23 decks
18%synergy
Thermopod
22%inclusion5 decks23 decks
21%synergy
Murderous Rider
22%inclusion5 decks23 decks
20%synergy
Alena, Kessig Trapper
22%inclusion5 decks23 decks
22%synergy
Anger
22%inclusion5 decks23 decks
9%synergy
Goblin Chirurgeon
22%inclusion5 decks23 decks
20%synergy
Spirit of Resilience
20%inclusion2 decks10 decks
20%synergy
Relic Retriever
20%inclusion2 decks10 decks
20%synergy
Nightmare Shepherd
17%inclusion4 decks23 decks
17%synergy
Threefold Thunderhulk
17%inclusion4 decks23 decks
17%synergy
Akoum Warrior
17%inclusion4 decks23 decks
17%synergy
Crypt Ghast
17%inclusion4 decks23 decks
15%synergy
Goblin Welder
17%inclusion4 decks23 decks
15%synergy
Phyrexian Vivisector
17%inclusion4 decks23 decks
17%synergy
Treasonous Ogre
17%inclusion4 decks23 decks
14%synergy
Urabrask the Hidden
17%inclusion4 decks23 decks
15%synergy
Tesak, Judith's Hellhound
17%inclusion4 decks23 decks
17%synergy
Archon of Cruelty
17%inclusion4 decks23 decks
14%synergy
Blackbloom Rogue
17%inclusion4 decks23 decks
17%synergy
Angrath's Marauders
17%inclusion4 decks23 decks
16%synergy
Deathbringer Thoctar
17%inclusion4 decks23 decks
17%synergy
Zealous Conscripts
17%inclusion4 decks23 decks
16%synergy
Instants
Valakut Awakening
57%inclusion13 decks23 decks
49%synergy
Fire Prophecy
35%inclusion8 decks23 decks
34%synergy
Chaos Warp
30%inclusion7 decks23 decks
-17%synergy
Fell the Profane
22%inclusion5 decks23 decks
9%synergy
Volcanic Spite
22%inclusion5 decks23 decks
21%synergy
Malakir Rebirth
22%inclusion5 decks23 decks
6%synergy
Manhole Missile
18%inclusion2 decks11 decks
18%synergy
Rakdos Charm
17%inclusion4 decks23 decks
-26%synergy
Terminate
17%inclusion4 decks23 decks
-22%synergy
Thrill of Possibility
13%inclusion3 decks23 decks
-5%synergy
Bedevil
13%inclusion3 decks23 decks
-21%synergy
Abrade
13%inclusion3 decks23 decks
-9%synergy
Imp's Mischief
8.7%inclusion2 decks23 decks
-0%synergy
Village Rites
8.7%inclusion2 decks23 decks
-7%synergy
Dark Ritual
8.7%inclusion2 decks23 decks
-35%synergy
Murder
8.7%inclusion2 decks23 decks
4%synergy
Withering Torment
8.7%inclusion2 decks23 decks
-12%synergy
Overkill
5.6%inclusion1 decks18 decks
2%synergy
Sorceries
Read the Bones
30%inclusion7 decks23 decks
19%synergy
Blasphemous Act
30%inclusion7 decks23 decks
-21%synergy
Feed the Swarm
26%inclusion6 decks23 decks
-15%synergy
Sozin's Comet
23%inclusion3 decks13 decks
20%synergy
Bloodsoaked Insight
22%inclusion5 decks23 decks
13%synergy
Into the Fire
22%inclusion5 decks23 decks
21%synergy
Vandalblast
17%inclusion4 decks23 decks
-13%synergy
Sinister Waltz
17%inclusion4 decks23 decks
16%synergy
Faithless Looting
13%inclusion3 decks23 decks
-14%synergy
Blood Price
13%inclusion3 decks23 decks
13%synergy
Mana Geyser
13%inclusion3 decks23 decks
0%synergy
Sundering Eruption
13%inclusion3 decks23 decks
8%synergy
Diabolic Tutor
8.7%inclusion2 decks23 decks
3%synergy
Command the Dreadhorde
8.7%inclusion2 decks23 decks
8%synergy
Dread Return
8.7%inclusion2 decks23 decks
4%synergy
Doomsday
8.7%inclusion2 decks23 decks
8%synergy
Buried Alive
8.7%inclusion2 decks23 decks
4%synergy
Toxic Deluge
8.7%inclusion2 decks23 decks
-9%synergy
Grim Tutor
8.7%inclusion2 decks23 decks
4%synergy
Villainous Wrath
7.7%inclusion1 decks13 decks
7%synergy
Utility Artifacts
Crystal Ball
35%inclusion8 decks23 decks
34%synergy
Swiftfoot Boots
35%inclusion8 decks23 decks
3%synergy
Planetarium of Wan Shi Tong
31%inclusion4 decks13 decks
30%synergy
Tel-Jilad Stylus
30%inclusion7 decks23 decks
30%synergy
Lightning Greaves
26%inclusion6 decks23 decks
-9%synergy
Teferi's Puzzle Box
22%inclusion5 decks23 decks
21%synergy
Ring of Xathrid
22%inclusion5 decks23 decks
22%synergy
Desecrated Tomb
17%inclusion4 decks23 decks
17%synergy
Treasure Map
17%inclusion4 decks23 decks
16%synergy
Illusionist's Bracers
17%inclusion4 decks23 decks
17%synergy
Cloak and Dagger
17%inclusion4 decks23 decks
17%synergy
Jar of Eyeballs
13%inclusion3 decks23 decks
13%synergy
Skullclamp
13%inclusion3 decks23 decks
2%synergy
Mazemind Tome
13%inclusion3 decks23 decks
13%synergy
Goblin Charbelcher
13%inclusion3 decks23 decks
13%synergy
Reito Lantern
13%inclusion3 decks23 decks
13%synergy
Ring of Valkas
8.7%inclusion2 decks23 decks
8%synergy
Darksteel Pendant
8.7%inclusion2 decks23 decks
8%synergy
Conjurer's Bauble
8.7%inclusion2 decks23 decks
8%synergy
Palantír of Orthanc
8.7%inclusion2 decks23 decks
7%synergy
Wishclaw Talisman
8.7%inclusion2 decks23 decks
3%synergy
Phyrexian Altar
8.7%inclusion2 decks23 decks
3%synergy
Soldevi Digger
8.7%inclusion2 decks23 decks
9%synergy
Battlemage's Bracers
8.7%inclusion2 decks23 decks
8%synergy
Enchantments
Braid of Fire
17%inclusion4 decks23 decks
16%synergy
Impact Tremors
17%inclusion4 decks23 decks
6%synergy
Teval's Judgment
15%inclusion3 decks20 decks
14%synergy
Thran Vigil
8.7%inclusion2 decks23 decks
7%synergy
Black Market
8.7%inclusion2 decks23 decks
4%synergy
Mindmoil
8.7%inclusion2 decks23 decks
9%synergy
Shadows of the Past
8.7%inclusion2 decks23 decks
8%synergy
Planeswalkers
Daretti, Scrap Savant
13%inclusion3 decks23 decks
11%synergy
Utility Lands
Buried Ruin
39%inclusion9 decks23 decks
36%synergy
Temple of the False God
26%inclusion6 decks23 decks
17%synergy
Fire Nation Palace
23%inclusion3 decks13 decks
18%synergy
Vault of Whispers
22%inclusion5 decks23 decks
15%synergy
Hanweir Battlements
22%inclusion5 decks23 decks
20%synergy
Guildless Commons
22%inclusion5 decks23 decks
21%synergy
Molten Slagheap
17%inclusion4 decks23 decks
15%synergy
Flamekin Village
17%inclusion4 decks23 decks
17%synergy
Great Furnace
17%inclusion4 decks23 decks
11%synergy
Phyrexian Tower
13%inclusion3 decks23 decks
2%synergy
Isolated Watchtower
13%inclusion3 decks23 decks
13%synergy
Nykthos, Shrine to Nyx
13%inclusion3 decks23 decks
11%synergy
High Market
13%inclusion3 decks23 decks
9%synergy
Bojuka Bog
8.7%inclusion2 decks23 decks
-27%synergy
Command Beacon
8.7%inclusion2 decks23 decks
2%synergy
Darksteel Citadel
8.7%inclusion2 decks23 decks
5%synergy
Urborg, Tomb of Yawgmoth
8.7%inclusion2 decks23 decks
-10%synergy
Rogue's Passage
8.7%inclusion2 decks23 decks
-11%synergy
Kavaron, Memorial World
6.7%inclusion1 decks15 decks
6%synergy
Midgar, City of Mako
5.6%inclusion1 decks18 decks
-1%synergy
Mana Artifacts
Sol Ring
74%inclusion17 decks23 decks
-12%synergy
Arcane Signet
48%inclusion11 decks23 decks
-34%synergy
Rakdos Signet
35%inclusion8 decks23 decks
-22%synergy
Thran Turbine
30%inclusion7 decks23 decks
30%synergy
The Eternity Elevator
20%inclusion3 decks15 decks
19%synergy
Talisman of Indulgence
17%inclusion4 decks23 decks
-38%synergy
Lantern of Revealing
8.7%inclusion2 decks23 decks
9%synergy
Basalt Monolith
8.7%inclusion2 decks23 decks
8%synergy
Vessel of Endless Rest
8.7%inclusion2 decks23 decks
9%synergy
Mind Stone
8.7%inclusion2 decks23 decks
-19%synergy
Bender's Waterskin
7.1%inclusion1 decks14 decks
4%synergy
Lands
Swamp
96%inclusion22 decks23 decks
-2%synergy
Mountain
96%inclusion22 decks23 decks
-2%synergy
Command Tower
83%inclusion19 decks23 decks
-3%synergy
Smoldering Marsh
74%inclusion17 decks23 decks
10%synergy
Temple of Malice
74%inclusion17 decks23 decks
42%synergy
Dragonskull Summit
70%inclusion16 decks23 decks
5%synergy
Rakdos Carnarium
61%inclusion14 decks23 decks
31%synergy
Valakut Awakening
57%inclusion13 decks23 decks
49%synergy
Graven Cairns
48%inclusion11 decks23 decks
16%synergy
Sulfurous Springs
48%inclusion11 decks23 decks
-0%synergy
Shadowblood Ridge
43%inclusion10 decks23 decks
9%synergy
Blood Crypt
39%inclusion9 decks23 decks
-9%synergy
Crystal Grotto
39%inclusion9 decks23 decks
38%synergy
Luxury Suite
35%inclusion8 decks23 decks
-4%synergy
Evolving Wilds
35%inclusion8 decks23 decks
15%synergy
Haunted Ridge
35%inclusion8 decks23 decks
-2%synergy
Path of Ancestry
30%inclusion7 decks23 decks
14%synergy
Blightstep Pathway
30%inclusion7 decks23 decks
8%synergy
Dark Fortress
29%inclusion2 decks7 decks
18%synergy
Exotic Orchard
26%inclusion6 decks23 decks
-5%synergy
Boggart Trawler
26%inclusion6 decks23 decks
19%synergy
Blazemire Verge
26%inclusion6 decks23 decks
-5%synergy
The Grey Havens
26%inclusion6 decks23 decks
26%synergy
Tainted Peak
26%inclusion6 decks23 decks
-17%synergy
Pinnacle Monk
26%inclusion6 decks23 decks
19%synergy
Bloodstained Mire
26%inclusion6 decks23 decks
-7%synergy
Rumble Arena
23%inclusion3 decks13 decks
23%synergy
Fell the Profane
22%inclusion5 decks23 decks
9%synergy
Terramorphic Expanse
22%inclusion5 decks23 decks
7%synergy
Canyon Slough
22%inclusion5 decks23 decks
2%synergy
Myriad Landscape
22%inclusion5 decks23 decks
5%synergy
Foreboding Ruins
22%inclusion5 decks23 decks
-24%synergy
Mount Doom
22%inclusion5 decks23 decks
6%synergy
Malakir Rebirth
22%inclusion5 decks23 decks
6%synergy
Bloodsoaked Insight
22%inclusion5 decks23 decks
13%synergy
Raucous Theater
17%inclusion4 decks23 decks
-4%synergy
Blackbloom Rogue
17%inclusion4 decks23 decks
17%synergy
Akoum Warrior
17%inclusion4 decks23 decks
17%synergy
Badlands
13%inclusion3 decks23 decks
-0%synergy
Horizon of Progress
13%inclusion3 decks23 decks
12%synergy
Blackcleave Cliffs
13%inclusion3 decks23 decks
-7%synergy
Bloodfell Caves
13%inclusion3 decks23 decks
-5%synergy
Sundering Eruption
13%inclusion3 decks23 decks
8%synergy
The Mycosynth Gardens
8.7%inclusion2 decks23 decks
8%synergy
Fabled Passage
8.7%inclusion2 decks23 decks
-0%synergy
Rakdos Guildgate
8.7%inclusion2 decks23 decks
2%synergy
Wooded Foothills
8.7%inclusion2 decks23 decks
2%synergy
Opal Palace
8.7%inclusion2 decks23 decks
7%synergy
Scalding Tarn
8.7%inclusion2 decks23 decks
2%synergy
Geothermal Bog
8.7%inclusion2 decks23 decks
-0%synergy
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