Alien Queen

+1: Until your next turn, Alien Queen becomes a 5/5 Xenomorph creature with indestructible, lifelink and deathtouch.
-4: Destroy all non-xenomorph creatures.
-7: Make 5 1/1 Facehuggers with deathtouch and, "When this creature destroys a creature create a X/X Xenomorph where X is the # of Xenomorphs in play