the front side of Urza, Chief Artificer
the back of a classic MtG card
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 Teleportation Circle
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 end step, Teleportation Circle and Urza trigger.
  2. Resolve the Urza trigger, creating a 0/0 Construct creature token.
  3. Resolve the Teleportation Circle trigger, blinking Myr Battlesphere.
  4. When Myr Battlesphere enters the battlefield, its first ability triggers, creating four 1/1 Myr artifact creature tokens.
  5. Activate Time Sieve by tapping it and sacrificing the Myrs and Construct, causing you to take an extra turn after this one.
  6. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 111 decks according to EDHREC.
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