Color Identity: U

Prerequisites

  1.  
    Erratic Portal
    Erratic Portal     on the battlefield.
  2.  
    Mnemonic Wall
    Mnemonic Wall     and
    Walk the Aeons
    Walk the Aeons     in hand.
  3. ({7} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   each turn available.

Steps

  1. Cast
    Walk the Aeons
    Walk the Aeons     by paying ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  , taking an extra turn after this one.
  2. Cast
    Mnemonic Wall
    Mnemonic Wall     by paying ({4} magic symbol)  ({U} magic symbol)  .
  3. Mnemonic Wall
    Mnemonic Wall     enters the battlefield, returning
    Walk the Aeons
    Walk the Aeons     from your graveyard to your hand.
  4. Activate
    Erratic Portal
    Erratic Portal     by paying ({1} magic symbol)   and tapping it, returning
    Mnemonic Wall
    Mnemonic Wall     from the battlefield to your hand.
  5. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 13 decks according to EDHREC.
footer