Chameleon, Master of Disguise + Underworld Breach Combos

1 known combo featuring both cards in Commander

Win the game Infinite self-mill Near-infinite ETB Near-infinite storm count Near-infinite LTB

Combo 1 with Diligent Excavator + Thassa's Oracle

Also requires: Diligent Excavator Diligent Excavator Thassa's Oracle Thassa's Oracle
Results: Win the game · Infinite self-mill · Near-infinite ETB · Near-infinite storm count · Near-infinite LTB · Near-infinite death triggers
Steps
  1. Cast the artifact creature from your hand by paying {0}.
  2. Diligent Excavator and Chameleon trigger, causing you to mill four cards.
  3. The artifact creature enters the battlefield and dies as a state-based action due to having zero toughness.
  4. Cast the artifact creature from your graveyard for its escape cost by paying {0} and exiling any three cards from your graveyard, except Thassa's Oracle if it is in your graveyard.
  5. Repeat from step 2 until you have an empty library.
  6. If Thassa's Oracle is in your hand, cast it by paying {U}{U}.
  7. Otherwise, cast Thassa's Oracle from your graveyard for its escape cost by paying {U}{U} and exiling three cards from your graveyard.
  8. Thassa's Oracle enters the battlefield, causing you to win the game.
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