Thrall of Graz'zt

Level 1: Whenever a creature you control dies,
put a Charm counter on target nonlegendary
creature. Gain control of that target if it has four
or more Charm counters on it.
{1}{u/b} Level 2: Whenever a creature with a
Charm counter on it dies, you may Scry 1.
{4}{u/b} Level 3: Creatures you control have
+1/+1 and Ward {1} if they have a Charm
counter.