Grievous, Separatist General

When Grievous, Separatist General enters, create
two 2/1 Magna Guard artifact creature tokens with First Strike

Whenever a creature you control dies, create a 1/1 Battle Droid artifact creature token.

Whenever Grievous, Separatist General attacks, it gains +X/+0 until end of turn, where X is the amount of attacking creatures you control. If X is at least 4, Grievous also gains Double Strike.