the front side of Time Sieve
the back of a classic MtG card
the front side of Myr Battlesphere
the back of a classic MtG card
the front side of Soulherder
the back of a classic MtG card
the front side of Thopter Spy Network
the back of a classic MtG card

Color Identity: W, U, B

Initial Card State

  1.  All permanents on the battlefield.

Steps

  1. At the beginning of your upkeep, Thopter Spy Network's first ability triggers, creating a 1/1 Thopter artifact creature token.
  2. At the beginning of your end step, Soulherder's second ability triggers, blinking Myr Battlesphere.
  3. When Myr Battlesphere enters the battlefield, it and Soulherder's first abilities trigger.
  4. Resolve the Soulherder trigger, putting a +1/+1 counter on it.
  5. Resolve the Myr Battlesphere trigger, creating four 1/1 Myr artifact creature tokens.
  6. Activate Time Sieve by tapping it, sacrificing the Thopter and the four Myrs, causing you to take an extra turn after this one.
  7. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 73 decks according to EDHREC.
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