Awakened Child 13

Indestructible, protection from everything.
Cannot be played from your hand.
Enters the battlefield with five +1/+1 counters.
Remove one counter on your upkeep.
For each time Awakened Child 13 enters the battlefield, pay x times 2: If Awakened Child 13
has one +1/+1 counter, return it to the
battlefield under your control. Otherwise,
sacrifice Awakened Child 13.