Spinal Parasite

Spinal Parasite

Artifact Creature - Insect | Power/Toughness: -1 / -1 (CMC 5)
Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)
Remove two +1/+1 counters from Spinal Parasite: Remove a counter from target permanent.