Emiel the Blessed | Jumpstart | (NM)

: Exile another target creature you control, then return it to the battlefield under its owner’s control.

Whenever another creature you control enters, you may pay {/}. If you do, put a +1/+1 counter on it. If it’s a Unicorn, put two +1/+1 counters on it instead. (/} can be paid with either or .)