Liberator, Urza's Battlethopter 2286 (Secret Lair Drop Series)

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 - $13.50
LP - $10.80
MP - $8.10
HP - $5.40
DMG - $2.70