Mal'ek, Hateful Spector

Flying
Soul Siphon— When a creature you control dies,
put a +1/+1 counter on Mal'ek, Hateful Spector.
If this is the second time this ability has resolved
this turn, draw a card instead. If this is the third
time this ability has resolved this turn, Malek,
Hateful Spector gains double strike until the end
of the turn