Color Identity: W, U, B

Prerequisites

  1.  
    Myr Battlesphere
    Myr Battlesphere     in your graveyard.
  2.  
    Time Sieve
    Time Sieve     and
    Debtors' Knell
    Debtors' Knell     on the battlefield.

Steps

  1. At the beginning of your upkeep,
    Debtors' Knell
    Debtors' Knell     triggers, returning
    Myr Battlesphere
    Myr Battlesphere     from your graveyard to the battlefield.
  2. Myr Battlesphere
    Myr Battlesphere     enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  3. Activate
    Time Sieve
    Time Sieve     by tapping it, sacrificing
    Myr Battlesphere
    Myr Battlesphere     and the four Myr tokens, causing you to take an extra turn after this one.
  4. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 4 decks according to EDHREC.
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