Assaultron Invader - Walking Ballista (Showcase) (PIP-352) - Fallout / Assaultron Invader: (Showcase) Foil

This creature enters with X +1/+1 counters on it.
{4}: Put a +1/+1 counter on this creature.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.