the front side of Time Sieve
the back of a classic MtG card
the front side of Exsanguinator Cavalry
the back of a classic MtG card

Color Identity: U, B

Initial Card State

  1.  
    Time Sieve
    Time Sieve     and
    Exsanguinator Cavalry
    Exsanguinator Cavalry     on the battlefield.

Notable Prerequisites

  1. You control at least five Knights that do not have summoning sickness and that cannot be blocked by an opponent.

Steps

  1. Deal combat damage using at least five Knights.
  2. Exsanguinator Cavalry
    Exsanguinator Cavalry     triggers, putting a +1/+1 counter on each attacking Knight and creating that many Blood artifact tokens.
  3. Activate
    Time Sieve
    Time Sieve     by tapping it and sacrificing five Bloods, causing you to take an extra turn after this one.
  4. Repeat.

Results

  1. Infinite turns.

Metadata

  1. In 63 decks according to EDHREC.
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