Royal Facehugger

This creature enters the battlefield with a Queen counter on it
Impregnate, Acid Blood 1
The creature this card is attached to cannot attack, block, or activate abilities
{1}{b}{b}: Destroy creature this card is attached to and spawn a 1/1 black Chestburster creature token with Offspring and Rapid Growth, or remove a Queen counter from this creature and spawn a 1/1 black Queen Chestburster creature token with Offspring and Royal Growth