Liberator, Urza's Battlethopter 237/287 (The Brothers' War)

Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator's power, put a +1/+1 counter on Liberator.

NM - $14.30
LP - $11.40
MP - $8.60
HP - $5.70
DMG - $2.90