Xenomorph Hive

{t}: Add {b}{b} to your mana pool.
{t}: Add {b} to your mana pool for each Facehugger you control.
{b}{b}, {t}: Put a black 1/1 Facehugger creature token with deathtouch onto the battlefield.
When a Facehugger creature token you control destroys another creature, put a black 1/1 Xenomorph Alien creature token with Deathtouch and Evolve onto the battlefield
under your control.