Ray, Mischievous Minstrel

Ray, Mischievous Minstrel enters the battlefield
with 3 song counters.
{t}{b}{r}{g}, Remove a song counter: Gain control
of target creature until end of turn. It gains
haste and indestructible.
Elves you control get +0/+1 for each song
counter on this creature.
And with his music he lead them away.