the front side of The Fifth Doctor
the back of a classic MtG card
the front side of Gogo, Master of Mimicry
the back of a classic MtG card

Color Identity: W, U

Initial Card State

  1.  The Fifth Doctor and Gogo on the battlefield (Gogo without summoning sickness).

Notable Prerequisites

  1. You control creatures that together can tap for at least ({2} magic symbol)   and didn't attack or enter this turn.
  2. Gogo didn't enter this turn.

Steps

  1. At the beginning of your end step, The Fifth Doctor triggers.
  2. Holding priority, activate any number of creatures you control by tapping them, adding at least ({2} magic symbol)  .
  3. Activate Gogo by paying ({2} magic symbol)   and tapping it, copying The Fifth Doctor's trigger.
  4. Resolve the copy of The Fifth Doctor's trigger, untapping all creatures you control that didn't enter or attack this turn and putting a +1/+1 counter on them.
  5. Repeat from step 2.

Results

  1. Infinite +1/+1 counters on all creatures you control except ones that attacked or entered the battlefield this turn.
  2. Infinite mana creatures you control can produce except ones that attacked or entered the battlefield this turn.
  3. Infinite untap of creatures you control except ones that attacked or entered the battlefield this turn.

Metadata

  1. In 68 decks according to EDHREC.
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