Color Identity: U, R

Prerequisites

  1.  
    Intruder Alarm
    Intruder Alarm     and
    Elemental Mastery
    Elemental Mastery     on the battlefield.
  2. Elemental Mastery
    Elemental Mastery     attached to any creature you control without summoning sickness that has power one or greater.

Steps

  1. Activate the creature with
    Elemental Mastery
    Elemental Mastery     attached by tapping it, creating a number of 1/1 Elemental creature tokens with haste equal to the creatures power.
  2. The Elementals enter the battlefield, triggering
    Intruder Alarm
    Intruder Alarm     that many times.
  3. Resolve each
    Intruder Alarm
    Intruder Alarm     trigger, untapping all creatures.
  4. Repeat.

Results

  1. Infinite creature tokens with haste.
  2. Infinite ETB.
  3. Infinite untap of all creatures.

Metadata

  1. In 79 decks according to EDHREC.
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