the front side of Time Sieve
the back of a classic MtG card
the front side of Ria Ivor, Bane of Bladehold
the back of a classic MtG card

Color Identity: W, U, B

Initial Card State

  1.  Time Sieve and Ria Ivor on the battlefield.

Notable Prerequisites

  1. You control a creature that can deal 5 combat damage to players each turn.

Steps

  1. At the beginning of combat on your turn, Ria Ivor triggers, targeting a creature you control.
  2. Declare that creature as an attacker.
  3. Instead of that creature dealing damage to an opponent, instead prevent that damage and create at least five 1/1 Phyrexian Mite artifact creature tokens.
  4. Activate Time Sieve by tapping it and sacrificing five Phyrexian Mite tokens.
  5. Repeat each turn.

Results

  1. Infinite turns.
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