Color Identity: W, B

Prerequisites

  1.  All permanents on the battlefield.
  2. ({3} magic symbol)   each extra turn available.

Steps

  1. Activate
    Karn, the Great Creator
    Karn
    's first loyalty ability by putting a loyalty counter on it, causing
    Ugin's Nexus
    Ugin's Nexus
    to become an artifact creature until end of turn.
  2. Activate
    Kaya the Inexorable
    Kaya
    's first loyalty ability by putting a loyalty counter on it, putting a ghostform counter on
    Ugin's Nexus
    Ugin's Nexus
    .
  3. Activate
    Ashnod's Altar
    Ashnod's Altar
    by sacrificing
    Ugin's Nexus
    Ugin's Nexus
    , adding ({C} magic symbol)  ({C} magic symbol)  .
  4. 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.
  5. Ugin's Nexus
    Ugin's Nexus
    triggers, returning itself from exile to your hand, and creating a 1/1 Spirit creature token.
  6. Move to your next turn.
  7. Activate
    Ashnod's Altar
    Ashnod's Altar
    by sacrificing the Spirit token, adding ({C} magic symbol)  ({C} magic symbol)  .
  8. Cast
    Ugin's Nexus
    Ugin's Nexus
    by paying ({5} magic symbol)  .
  9. Repeat.

Results

  1. Infinite turns.

Metadata

  1. In 1 deck according to EDHREC.
footer