Xenomorph Hosts

{2}{b}: Put a white 1/1 Human Astronaut creature token onto the battlefield.
{2}{b}, {t}: Put a black 1/1 Facehugger creature token with Deathtouch onto the battlefield.
{3}{b}, {t}: Target Facehugger fights target Human.
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.