Chimeric Egg 106 (Darksteel)

Whenever an opponent casts a nonartifact spell, put a charge counter on this artifact. Remove three charge counters from this artifact: This artifact becomes a 6/6 Construct artifact creature with trample until end of turn.

NM - $1.00
LP - $0.80
MP - $0.70
HP - $0.70
DMG - $0.70