General Grievous, Collector

When General Grievous, Collector enters the battlefield, put a double strike counter on him.

Whenever a creature dealt damage by General Grievous, Collector this turn dies, if that creature had flying, put a flying counter on General Grievous, Collector. The same is true for first strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Whenever you put a counter on General Grievous, Collector, put an additional +1/+1 counter on him.