Curutholis, Heartraker

Bestow {5}{r} (If you cast this card for its bestow
cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a
creature.)
Enchanted creature gets "{t} Gain control of
target creature until end of turn".
Whenever a creature dies, put a +1/+1 counter
on Curutholis, Heartraker.