Grenzo, Dungeon Warden (Commander) - Rat Colony

Grenzo, Dungeon Warden
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Background image for Five Painfully Simple Ways to Play Weird Rakdos
Arnaud Gompertz
Oct 29, 2025
Arnaud Gompertz
Five Painfully Simple Ways to Play Weird Rakdos
Arnaud continues his Branching Out series by looking at some off-kilter ideas for brewing fun decks in Rakdos (black and red).
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Rat Colony
100%inclusion5 decks5 decks
100%synergy
Marrow-Gnawer
100%inclusion5 decks5 decks
100%synergy
Urborg, Tomb of Yawgmoth
80%inclusion4 decks5 decks
61%synergy
Game Changers
Demonic Tutor
80%inclusion4 decks5 decks
62%synergy
Vampiric Tutor
60%inclusion3 decks5 decks
46%synergy
Jeska's Will
40%inclusion2 decks5 decks
16%synergy
Ancient Tomb
40%inclusion2 decks5 decks
30%synergy
Gamble
40%inclusion2 decks5 decks
30%synergy
Imperial Seal
20%inclusion1 decks5 decks
15%synergy
Underworld Breach
20%inclusion1 decks5 decks
13%synergy
Necropotence
20%inclusion1 decks5 decks
14%synergy
Creatures
Gray Merchant of Asphodel
60%inclusion3 decks5 decks
49%synergy
Pack Rat
60%inclusion3 decks5 decks
59%synergy
Piper of the Swarm
60%inclusion3 decks5 decks
59%synergy
Barkform Harvester
50%inclusion2 decks4 decks
49%synergy
Tomb Trawler
50%inclusion2 decks4 decks
49%synergy
Chittering Rats
40%inclusion2 decks5 decks
40%synergy
Burglar Rat
40%inclusion2 decks5 decks
39%synergy
Ravenous Rats
40%inclusion2 decks5 decks
40%synergy
Lord Skitter's Butcher
40%inclusion2 decks5 decks
39%synergy
Tuktuk Rubblefort
40%inclusion2 decks5 decks
39%synergy
Palladium Myr
40%inclusion2 decks5 decks
39%synergy
Chittering Witch
40%inclusion2 decks5 decks
39%synergy
Crypt Ghast
40%inclusion2 decks5 decks
37%synergy
Totentanz, Swarm Piper
40%inclusion2 decks5 decks
39%synergy
Typhoid Rats
40%inclusion2 decks5 decks
40%synergy
Valley Rotcaller
25%inclusion1 decks4 decks
24%synergy
Solemn Simulacrum
20%inclusion1 decks5 decks
-1%synergy
Inquisitive Puppet
20%inclusion1 decks5 decks
20%synergy
Mindclaw Shaman
20%inclusion1 decks5 decks
20%synergy
Bog Rats
20%inclusion1 decks5 decks
20%synergy
Professional Face-Breaker
20%inclusion1 decks5 decks
5%synergy
Ogre Slumlord
20%inclusion1 decks5 decks
18%synergy
Haunt of the Dead Marshes
20%inclusion1 decks5 decks
20%synergy
Crypt Rats
20%inclusion1 decks5 decks
20%synergy
Relentless Rats
20%inclusion1 decks5 decks
20%synergy
Murderous Rider
20%inclusion1 decks5 decks
18%synergy
Nezumi Graverobber
20%inclusion1 decks5 decks
20%synergy
Carrion Rats
20%inclusion1 decks5 decks
20%synergy
Rotting Rats
20%inclusion1 decks5 decks
20%synergy
Metallic Mimic
20%inclusion1 decks5 decks
18%synergy
Ragavan, Nimble Pilferer
20%inclusion1 decks5 decks
10%synergy
Bronze Walrus
20%inclusion1 decks5 decks
20%synergy
Filth
20%inclusion1 decks5 decks
19%synergy
Mayhem Devil
20%inclusion1 decks5 decks
-4%synergy
Purphoros, God of the Forge
20%inclusion1 decks5 decks
17%synergy
Species Specialist
20%inclusion1 decks5 decks
19%synergy
Adaptive Automaton
20%inclusion1 decks5 decks
19%synergy
Ink-Eyes, Servant of Oni
20%inclusion1 decks5 decks
20%synergy
Sinuous Vermin
20%inclusion1 decks5 decks
20%synergy
Earsplitting Rats
20%inclusion1 decks5 decks
20%synergy
Iron Myr
20%inclusion1 decks5 decks
18%synergy
Hellhole Rats
20%inclusion1 decks5 decks
20%synergy
Locust Miser
20%inclusion1 decks5 decks
20%synergy
Kozilek, Butcher of Truth
20%inclusion1 decks5 decks
18%synergy
Dirty Wererat
20%inclusion1 decks5 decks
20%synergy
Grenzo, Havoc Raiser
20%inclusion1 decks5 decks
16%synergy
Burnished Hart
20%inclusion1 decks5 decks
15%synergy
Voracious Vermin
20%inclusion1 decks5 decks
19%synergy
Disciple of Bolas
20%inclusion1 decks5 decks
17%synergy
Valki, God of Lies
20%inclusion1 decks5 decks
17%synergy
Instants
Deadly Rollick
40%inclusion2 decks5 decks
19%synergy
Chaos Warp
40%inclusion2 decks5 decks
-8%synergy
Terminate
40%inclusion2 decks5 decks
0%synergy
Deflecting Swat
40%inclusion2 decks5 decks
19%synergy
Withering Torment
25%inclusion1 decks4 decks
3%synergy
Entomb
20%inclusion1 decks5 decks
13%synergy
Songs of the Damned
20%inclusion1 decks5 decks
18%synergy
Dark Ritual
20%inclusion1 decks5 decks
-22%synergy
Rakdos Charm
20%inclusion1 decks5 decks
-23%synergy
Seething Song
20%inclusion1 decks5 decks
9%synergy
Tibalt's Trickery
20%inclusion1 decks5 decks
7%synergy
Red Elemental Blast
20%inclusion1 decks5 decks
11%synergy
Hostile Negotiations
20%inclusion1 decks5 decks
19%synergy
Sudden Spoiling
20%inclusion1 decks5 decks
18%synergy
Abrade
20%inclusion1 decks5 decks
-2%synergy
Tragic Slip
20%inclusion1 decks5 decks
16%synergy
Dismember
20%inclusion1 decks5 decks
16%synergy
Sorceries
Patriarch's Bidding
60%inclusion3 decks5 decks
57%synergy
Feed the Swarm
40%inclusion2 decks5 decks
-2%synergy
Echoing Return
40%inclusion2 decks5 decks
40%synergy
Wheel of Fortune
40%inclusion2 decks5 decks
34%synergy
Grim Tutor
40%inclusion2 decks5 decks
35%synergy
Secret Salvage
40%inclusion2 decks5 decks
40%synergy
Diresight
25%inclusion1 decks4 decks
23%synergy
Diabolic Intent
20%inclusion1 decks5 decks
12%synergy
Wheel of Misfortune
20%inclusion1 decks5 decks
14%synergy
Diabolic Tutor
20%inclusion1 decks5 decks
14%synergy
Past in Flames
20%inclusion1 decks5 decks
17%synergy
Faithless Looting
20%inclusion1 decks5 decks
-8%synergy
Mizzix's Mastery
20%inclusion1 decks5 decks
15%synergy
Song of Totentanz
20%inclusion1 decks5 decks
17%synergy
Mutilate
20%inclusion1 decks5 decks
20%synergy
Blasphemous Act
20%inclusion1 decks5 decks
-31%synergy
Exsanguinate
20%inclusion1 decks5 decks
10%synergy
Living Death
20%inclusion1 decks5 decks
16%synergy
Mana Geyser
20%inclusion1 decks5 decks
8%synergy
Toxic Deluge
20%inclusion1 decks5 decks
2%synergy
Dreadbore
20%inclusion1 decks5 decks
15%synergy
Cruel Tutor
20%inclusion1 decks5 decks
19%synergy
Rise of the Dark Realms
20%inclusion1 decks5 decks
16%synergy
Pact of the Serpent
20%inclusion1 decks5 decks
19%synergy
Utility Artifacts
Ashnod's Altar
60%inclusion3 decks5 decks
49%synergy
Heartstone
60%inclusion3 decks5 decks
58%synergy
Teferi's Puzzle Box
40%inclusion2 decks5 decks
39%synergy
Skullclamp
40%inclusion2 decks5 decks
30%synergy
Tel-Jilad Stylus
40%inclusion2 decks5 decks
39%synergy
Wishclaw Talisman
40%inclusion2 decks5 decks
34%synergy
Phyrexian Altar
40%inclusion2 decks5 decks
34%synergy
Thrumming Stone
40%inclusion2 decks5 decks
40%synergy
Eldrazi Monument
40%inclusion2 decks5 decks
40%synergy
Desecrated Tomb
20%inclusion1 decks5 decks
19%synergy
Sensei's Divining Top
20%inclusion1 decks5 decks
14%synergy
Helm of Obedience
20%inclusion1 decks5 decks
20%synergy
Illusionist's Bracers
20%inclusion1 decks5 decks
19%synergy
Blasting Station
20%inclusion1 decks5 decks
19%synergy
Mirror Box
20%inclusion1 decks5 decks
17%synergy
Darksteel Pendant
20%inclusion1 decks5 decks
20%synergy
Conjurer's Bauble
20%inclusion1 decks5 decks
20%synergy
Whip of Erebos
20%inclusion1 decks5 decks
13%synergy
Coat of Arms
20%inclusion1 decks5 decks
19%synergy
Expedition Map
20%inclusion1 decks5 decks
18%synergy
Door of Destinies
20%inclusion1 decks5 decks
19%synergy
Anvil of Bogardan
20%inclusion1 decks5 decks
20%synergy
The Cauldron of Eternity
20%inclusion1 decks5 decks
19%synergy
Jet Medallion
20%inclusion1 decks5 decks
13%synergy
Crystal Ball
20%inclusion1 decks5 decks
20%synergy
Swiftfoot Boots
20%inclusion1 decks5 decks
-12%synergy
Witches' Eye
20%inclusion1 decks5 decks
20%synergy
Goblin Charbelcher
20%inclusion1 decks5 decks
20%synergy
Lightning Greaves
20%inclusion1 decks5 decks
-15%synergy
Reito Lantern
20%inclusion1 decks5 decks
20%synergy
Mirrorworks
20%inclusion1 decks5 decks
20%synergy
Enchantments
Mana Echoes
60%inclusion3 decks5 decks
59%synergy
Shared Animosity
60%inclusion3 decks5 decks
57%synergy
Goblin Bombardment
40%inclusion2 decks5 decks
30%synergy
The Meathook Massacre
20%inclusion1 decks5 decks
16%synergy
Mindmoil
20%inclusion1 decks5 decks
20%synergy
Phyrexian Reclamation
20%inclusion1 decks5 decks
16%synergy
Grave Pact
20%inclusion1 decks5 decks
17%synergy
Sanguine Bond
20%inclusion1 decks5 decks
16%synergy
Exquisite Blood
20%inclusion1 decks5 decks
13%synergy
Impact Tremors
20%inclusion1 decks5 decks
8%synergy
Cover of Darkness
20%inclusion1 decks5 decks
19%synergy
Chains of Mephistopheles
20%inclusion1 decks5 decks
20%synergy
Oversold Cemetery
20%inclusion1 decks5 decks
18%synergy
Phyrexian Arena
20%inclusion1 decks5 decks
-4%synergy
Dark Prophecy
20%inclusion1 decks5 decks
19%synergy
Oppression
20%inclusion1 decks5 decks
19%synergy
Leyline of the Void
20%inclusion1 decks5 decks
19%synergy
Breath of Fury
20%inclusion1 decks5 decks
20%synergy
Utility Lands
Cabal Coffers
60%inclusion3 decks5 decks
50%synergy
Bojuka Bog
40%inclusion2 decks5 decks
4%synergy
Phyrexian Tower
40%inclusion2 decks5 decks
29%synergy
Swarmyard
40%inclusion2 decks5 decks
40%synergy
Crypt of Agadeem
40%inclusion2 decks5 decks
39%synergy
Deserted Temple
40%inclusion2 decks5 decks
40%synergy
Takenuma, Abandoned Mire
40%inclusion2 decks5 decks
31%synergy
Reliquary Tower
40%inclusion2 decks5 decks
22%synergy
Rogue's Passage
40%inclusion2 decks5 decks
20%synergy
Three Tree City
25%inclusion1 decks4 decks
22%synergy
Zhalfirin Void
20%inclusion1 decks5 decks
19%synergy
Desert of the Glorified
20%inclusion1 decks5 decks
19%synergy
Barren Moor
20%inclusion1 decks5 decks
15%synergy
Flamekin Village
20%inclusion1 decks5 decks
19%synergy
Buried Ruin
20%inclusion1 decks5 decks
16%synergy
Urza's Saga
20%inclusion1 decks5 decks
14%synergy
Crystal Vein
20%inclusion1 decks5 decks
19%synergy
War Room
20%inclusion1 decks5 decks
17%synergy
Nykthos, Shrine to Nyx
20%inclusion1 decks5 decks
18%synergy
High Market
20%inclusion1 decks5 decks
16%synergy
Polluted Mire
20%inclusion1 decks5 decks
19%synergy
Mana Artifacts
Talisman of Indulgence
60%inclusion3 decks5 decks
4%synergy
Sol Ring
60%inclusion3 decks5 decks
-26%synergy
Rakdos Signet
40%inclusion2 decks5 decks
-19%synergy
Thran Turbine
40%inclusion2 decks5 decks
39%synergy
Commander's Sphere
20%inclusion1 decks5 decks
3%synergy
Arcane Signet
20%inclusion1 decks5 decks
-62%synergy
Mox Amber
20%inclusion1 decks5 decks
16%synergy
Vessel of Endless Rest
20%inclusion1 decks5 decks
20%synergy
Fellwar Stone
20%inclusion1 decks5 decks
-14%synergy
Thran Dynamo
20%inclusion1 decks5 decks
15%synergy
Lands
Command Tower
100%inclusion5 decks5 decks
14%synergy
Blood Crypt
100%inclusion5 decks5 decks
54%synergy
Swamp
80%inclusion4 decks5 decks
-18%synergy
Dragonskull Summit
80%inclusion4 decks5 decks
17%synergy
Sulfurous Springs
80%inclusion4 decks5 decks
33%synergy
Bloodstained Mire
80%inclusion4 decks5 decks
47%synergy
Graven Cairns
60%inclusion3 decks5 decks
30%synergy
Luxury Suite
60%inclusion3 decks5 decks
22%synergy
Mountain
60%inclusion3 decks5 decks
-37%synergy
Raucous Theater
40%inclusion2 decks5 decks
18%synergy
Badlands
40%inclusion2 decks5 decks
27%synergy
Shadowblood Ridge
40%inclusion2 decks5 decks
5%synergy
Smoldering Marsh
40%inclusion2 decks5 decks
-23%synergy
Temple of Malice
40%inclusion2 decks5 decks
6%synergy
Prismatic Vista
20%inclusion1 decks5 decks
15%synergy
Terramorphic Expanse
20%inclusion1 decks5 decks
4%synergy
Canyon Slough
20%inclusion1 decks5 decks
1%synergy
Exotic Orchard
20%inclusion1 decks5 decks
-11%synergy
Ash Barrens
20%inclusion1 decks5 decks
13%synergy
Blackcleave Cliffs
20%inclusion1 decks5 decks
0%synergy
Foreboding Ruins
20%inclusion1 decks5 decks
-26%synergy
Wooded Foothills
20%inclusion1 decks5 decks
13%synergy
Verdant Catacombs
20%inclusion1 decks5 decks
13%synergy
Rocky Tar Pit
20%inclusion1 decks5 decks
18%synergy
Cavern of Souls
20%inclusion1 decks5 decks
15%synergy
Plaza of Heroes
20%inclusion1 decks5 decks
18%synergy
The Grey Havens
20%inclusion1 decks5 decks
19%synergy
Evolving Wilds
20%inclusion1 decks5 decks
-1%synergy
Tainted Peak
20%inclusion1 decks5 decks
-22%synergy
Path of Ancestry
20%inclusion1 decks5 decks
4%synergy
Gemstone Caverns
20%inclusion1 decks5 decks
15%synergy
Arid Mesa
20%inclusion1 decks5 decks
12%synergy
Snow-Covered Mountain
20%inclusion1 decks5 decks
17%synergy
Scalding Tarn
20%inclusion1 decks5 decks
13%synergy
Mana Confluence
20%inclusion1 decks5 decks
14%synergy
Snow-Covered Swamp
20%inclusion1 decks5 decks
17%synergy
Marsh Flats
20%inclusion1 decks5 decks
12%synergy
Haunted Ridge
20%inclusion1 decks5 decks
-16%synergy
Polluted Delta
20%inclusion1 decks5 decks
12%synergy
Crystal Grotto
20%inclusion1 decks5 decks
19%synergy
City of Brass
20%inclusion1 decks5 decks
13%synergy
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