Color Identity: U

Prerequisites

  1.  All permanents on the battlefield.
  2. Karn, the Great Creator
    Karn     has at least two loyalty counters on it.
  3. ({5} magic symbol)   each extra turn available.

Steps

  1. Activate
    Throne of Geth
    Throne of Geth     by tapping it and sacrificing
    Ugin's Nexus
    Ugin's Nexus    .
  2. Ugin's Nexus
    Ugin's Nexus     is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
  3. Resolve the
    Throne of Geth
    Throne of Geth     ability, putting a loyalty counter on
    Karn, the Great Creator
    Karn    .
  4. Activate
    Karn, the Great Creator
    Karn    's second loyalty ability by removing two loyalty counters from it, returning
    Ugin's Nexus
    Ugin's Nexus     from exile to your hand.
  5. Move to your next turn.
  6. Cast
    Ugin's Nexus
    Ugin's Nexus     by paying ({5} magic symbol)  .
  7. Inexorable Tide
    Inexorable Tide     triggers, putting a loyalty counter on
    Karn, the Great Creator
    Karn    .
  8. Repeat.

Results

  1. Infinite turns.

Metadata

  1. In 4 decks according to EDHREC.
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