Color Identity: W, U

Prerequisites

  1.  All permanents on the battlefield.
  2. Halo Fountain
    Halo Fountain     does not have summoning sickness.
  3. You control a creature that can tap to produce at least ({W} magic symbol)  .

Steps

  1. Activate
    Karn, the Great Creator
    Karn    's first loyalty ability by putting a loyalty counter on it, causing
    Halo Fountain
    Halo Fountain     to become an artifact creature until end of turn.
  2. Activate a creature you control by tapping it, adding ({W} magic symbol)  .
  3. Activate
    Halo Fountain
    Halo Fountain    's first ability by paying ({W} magic symbol)  , tapping and untapping it, creating a 1/1 Citizen creature token.
  4. When the Citizen enters the battlefield,
    Intruder Alarm
    Intruder Alarm     triggers, untapping all creatures.
  5. Repeat from step 2.

Results

  1. Infinite creature tokens.
  2. Infinite ETB.
  3. Infinite mana creatures you control can produce.
  4. Infinite untap of all creatures.

Metadata

  1. In 31 decks according to EDHREC.
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