Otherwordly Mentor

Otherwordly Mentor enters the battlefield with
one deathtouch counter, one lifelink counter
and two -1/-1 counters on it.
At the beginning of your end step, move one
counter from Otherworldly Mentor onto
another creature you control.
{1}{b}: Otherwordly Mentor becomes a 4/4 black
Demon creature until end of turn.