Vaal Hazak

Flying.
{t}; Put an effluvium counter on yarget creature
(when the number of effluvium counters
matches the creatures defense, remove all
effluvium counters, and that creature looses
halve its power and toughness rounded down).
When a creature looses all of it's effluvium
counters, Vaal Hazak gains a +1/+1 counter.