Liberator, Urza's Battlethopter (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 - $8.00
LP - $6.50
MP - $5.00
HP - $3.50
DMG - $2.00