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 - $12.50
LP - $10.00
MP - $7.50
HP - $5.00
DMG - $2.50