Lay Eggs

X{4}{b}, {t}: Put X black 0/1 Alien Egg creature tokens with Vanishing 3 onto the battlefield.
When an Alien Egg is sacrificed this way, put a black 1/1 Facehugger creature token with Deathtouch onto the battlefield under your control. When a Facehugger creature token you control destroys a creature, put a black 1/1 Xenomorph Alien creature token with Deathtouch and Evolve onto the battlefield
under your control.