Rat Swarm by Evilhydra

Format: Commander

Commander: Marrow-Gnawer

Bracket: 3

DeckCheck Threat Index: 32

Deck overview

This deck is a classic mono-black Rat tribal swarm strategy built around Marrow-Gnawer and 34 copies of Rat Colony. By bypassing singleton limits with Rat Colony, the deck achieves high functional redundancy, ensuring consistent early creature drops on Turns 2 through 4. On Turn 5, casting Marrow-Gnawer grants the entire swarm fear, enabling an immediate unblockable assault. Tapping Marrow-Gnawer on subsequent turns doubles the rat army, turning modest 2/1s into massive powerhouses that eliminate opponents over 2 combat cycles. While Thrumming Stone offers explosive turns by rippling through the library, the deck primarily operates as a steady combat aggro deck. Its high density of creature threats leaves minimal room for interaction and protection, making it vulnerable to board wipes, though mass recursion spells like Patriarch's Bidding and Echoing Return provide crucial recovery paths.

Decklist (100 cards)

  • 1 Ad Nauseam
  • 1 Animate Dead
  • 1 Archenemy's Charm
  • 1 Ashcoat of the Shadow Swarm
  • 1 Bad Moon
  • 1 Bojuka Bog
  • 1 Bolas's Citadel
  • 1 Cabal Coffers
  • 1 Cabal Stronghold
  • 1 Caged Sun
  • 1 Coat of Arms
  • 1 Corrupted Conviction
  • 1 Cover of Darkness
  • 1 Crypt of Agadeem
  • 1 Cut Down
  • 1 Dark Ritual
  • 1 Diabolic Intent
  • 1 Echoing Return
  • 1 Exquisite Blood
  • 1 Feed the Infection
  • 1 Feed the Swarm
  • 1 Go for the Throat
  • 1 Herald's Horn
  • 1 Imp's Mischief
  • 1 Jet Medallion
  • 1 Karumonix, the Rat King
  • 1 Lightning Greaves
  • 1 Marrow-Gnawer
  • 1 Myriad Landscape
  • 1 Necropotence
  • 1 Nykthos, Shrine to Nyx
  • 1 Patriarch's Bidding
  • 1 Phyrexian Arena
  • 1 Phyrexian Tower
  • 1 Piper of the Swarm
  • 1 Plague of Vermin
  • 34 Rat Colony
  • 1 Reanimate
  • 1 Sol Ring
  • 23 Swamp
  • 1 Swarmyard
  • 1 Three Tree City
  • 1 Thrumming Stone
  • 1 Urborg, Tomb of Yawgmoth
  • 1 Yawgmoth, Thran Physician