Color Identity: G, W, U, B

Initial Card State

  1.  All permanents on the battlefield.

Mana Needed

  1. ({5} magic symbol)   each extra turn available.

Steps

  1. Activate Karn's first loyalty ability by putting two loyalty counters on it, causing Ugin's Nexus to become an artifact creature until end of turn.
  2. Activate Ashnod's Altar by exiling Ugin's Nexus, adding ({C} magic symbol)  ({C} magic symbol)  .
  3. Ugin's Nexus triggers, causing you to take an extra turn after this one.
  4. Activate Karn's second loyalty ability by removing a loyalty counter from it, returning Ugin's Nexus from exile to your hand.
  5. Move to your next turn.
  6. Cast Ugin's Nexus by paying ({5} magic symbol)  .
  7. Repeat.

Results

  1. Infinite turns.

Metadata

  1. In 0 decks according to EDHREC.
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