Xenomorph, Annihilator

Xenomorph, Annihilator enters the battlefield with five +1/+1 counters on it.

{1}, Remove a +1/+1 counter from a creature you control: Create a 1/1 green Chestburster creature token.
{1}, Sacrifice a creature: Put a +1/+1 counter on target creature

"Its structural perfection is matched only by its hostility." - Ash