the front side of Zethi, Arcane Blademaster
the back of a classic MtG card
the front side of Walk the Aeons
the back of a classic MtG card
the front side of Cosmic Intervention
the back of a classic MtG card

Color Identity: W, U

Initial Card State

  1.  Walk the Aeons in hand.
  2.  Zethi on the battlefield.
  3.  Cosmic Intervention in exile (with a kick counter on it).

Notable Prerequisites

  1. Zethi does not have summoning sickness.
  2. You control at least three Islands.

Mana Needed

  1. ({7} magic symbol)  ({W} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   each turn available.

Steps

  1. Declare Zethi as an attacker.
  2. Zethi's last ability triggers, causing you to pay ({3} magic symbol)  ({W} magic symbol)   to cast a copy of Cosmic Intervention, creating a replacement effect that is active this turn.
  3. Move to your postcombat phase.
  4. Cast Walk the Aeons with buyback by paying ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   and sacrificing three Islands, putting the Islands in exile instead of the graveyard and creating a delayed triggered ability due to Cosmic Intervention's replacement effect.
  5. Resolve Walk the Aeons, causing you to take an extra turn after this one and returning Walk the Aeons to your hand.
  6. At the beginning of your end step, Cosmic Intervention's delayed triggered ability triggers, returning the exiled Islands from exile to the battlefield.
  7. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 24 decks according to EDHREC.
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