Color Identity: G, W, U

Prerequisites

  1.  
    Moritte of the Frost
    Moritte of the Frost     in hand.
  2.  
    Adarkar Valkyrie
    Adarkar Valkyrie     and
    Intruder Alarm
    Intruder Alarm     on the battlefield.
  3. Adarkar Valkyrie
    Adarkar Valkyrie     does not have summoning sickness.
  4. You control at least one legendary creature.
  5. ({2} magic symbol)  ({G} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Activate
    Adarkar Valkyrie
    Adarkar Valkyrie     by tapping it, targeting any legendary creature you control.
  2. Cast
    Moritte of the Frost
    Moritte of the Frost     by paying ({2} magic symbol)  ({G} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  , choosing to have it enter the battlefield as a copy of the legendary creature targeted in step 1.
  3. Put the legendary creature into your graveyard due to the legend rule.
  4. Adarkar Valkyrie
    Adarkar Valkyrie     and
    Intruder Alarm
    Intruder Alarm     trigger.
  5. Resolve the
    Intruder Alarm
    Intruder Alarm     trigger, untapping all creatures.
  6. Holding priority, activate
    Adarkar Valkyrie
    Adarkar Valkyrie     by tapping it, targeting
    Moritte of the Frost
    Moritte of the Frost    .
  7. Resolve the
    Adarkar Valkyrie
    Adarkar Valkyrie     trigger from step 4, returning the legendary creature to the battlefield from your graveyard.
  8. Put
    Moritte of the Frost
    Moritte of the Frost     into your graveyard due to the legend rule.
  9. Adarkar Valkyrie
    Adarkar Valkyrie     and
    Intruder Alarm
    Intruder Alarm     trigger.
  10. Resolve the
    Intruder Alarm
    Intruder Alarm     trigger, untapping all creatures.
  11. Holding priority, activate
    Adarkar Valkyrie
    Adarkar Valkyrie     by tapping it, targeting the legendary creature.
  12. Resolve the
    Adarkar Valkyrie
    Adarkar Valkyrie     trigger from step 9, returning
    Moritte of the Frost
    Moritte of the Frost     to the battlefield from your graveyard as a copy of the legendary creature.
  13. Repeat from step 3.

Results

  1. Infinite death triggers.
  2. Infinite ETB.
  3. Infinite LTB.
  4. Infinite mana creatures you control can produce.
  5. Infinite untap of all creatures.

Metadata

  1. In 1 deck according to EDHREC.
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