the front side of Tawnos, Urza's Apprentice
the back of a classic MtG card
the front side of Sands of Time
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Tawnos and Sands of Time on the battlefield.

Notable Prerequisites

  1. All other permanents must be able to produce at least ({1} magic symbol)  ({U} magic symbol)  ({R} magic symbol)  .
  2. Tawnos does not have summoning sickness.

Steps

  1. At the beginning of the upkeep step, Sands of Time triggers.
  2. In response, tap all of your mana producing permanents.
  3. Activate Tawnos, copying the Sands of Time trigger.
  4. Let the copy resolve, untapping all your creatures, lands, and artifacts.
  5. Repeat from step 2.

Results

  1. Infinite mana lands you control can produce during the upkeep step.
  2. Infinite taps.
  3. Infinite untap.
  4. Infinite mana artifacts you control can produce during the upkeep step.
  5. Infinite mana creatures you control can produce during the upkeep step.

Metadata

  1. In 37 decks according to EDHREC.
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