Color Identity: C

Prerequisites

  1.  
    Ugin's Nexus
    Ugin's Nexus     in exile (
    Ugin's Nexus
    Ugin's Nexus     exiled by
    Prototype Portal
    Prototype Portal    ).
  2.  
    Prototype Portal
    Prototype Portal     and
    Grinding Station
    Grinding Station     on the battlefield.
  3. ({5} magic symbol)   each turn available.

Steps

  1. Activate
    Prototype Portal
    Prototype Portal     by paying ({5} magic symbol)   and tapping it, creating a token copy of
    Ugin's Nexus
    Ugin's Nexus    .
  2. Activate
    Grinding Station
    Grinding Station     by tapping it and sacrificing the
    Ugin's Nexus
    Ugin's Nexus     token.
  3. Ugin's Nexus
    Ugin's Nexus    's last ability triggers, exiling itself and causing you to take an extra turn after this one.
  4. Resolve
    Grinding Station
    Grinding Station    's ability, causing any player to mill three cards.
  5. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 121 decks according to EDHREC.
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