Delta, The Possessed Merfolk

When Delta, The Possessed Merfolk enters the
battlefield remove target creature u control
from the game. Return that target creature to
the battlefield when Delta, The Possessed
Merfolk leaves the battlefield.Put a +1/+1
counter on that creature
{u}{b}-Return Delta, The Possessed Merfolk
from the battlefield to to your hand if Delta,
The Possessed Merfolk is untapped