Walking Ballista 306 (Double Masters)

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.

NM - $16.60
LP - $13.30
MP - $10.00
HP - $6.70
DMG - $3.30