Inf turns, life, and tokens

When this creature enters, you gain 5 life. When this creature leaves the battlefield, create a 3/3 green Beast creature token.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Enchant creature Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it. Remove all +1/+1 counters from this creature: For each five counters removed this way, take an extra turn after this one.