Color Identity: B, G, U

Prerequisites

  1.  
    Corridor Monitor
    Corridor Monitor     in exile (
    Corridor Monitor
    Corridor Monitor     exiled by
    Prototype Portal
    Prototype Portal    ).
  2.  All other permanents on the battlefield.

Steps

  1. Activate
    Gilded Lotus
    Gilded Lotus     by tapping it, adding three mana of any color.
  2. Activate
    Prototype Portal
    Prototype Portal     by paying ({2} magic symbol)   and tapping it, creating a token copy of
    Corridor Monitor
    Corridor Monitor    .
  3. The
    Corridor Monitor
    Corridor Monitor     token enters the battlefield, untapping
    Prototype Portal
    Prototype Portal     and
    Gilded Lotus
    Gilded Lotus    .
  4. Repeat.

Results

  1. Infinite colored mana.
  2. Infinite creature tokens.
  3. Infinite ETB.

Metadata

  1. In 2 decks according to EDHREC.
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