Blackwing - Kalut the Moon Shadow (Platinum Secret Rare) (RA03-EN217) - Quarter Century Bonanza 1st Edition
Winged Beast / Effect Monster
DARK
3
1400 / 1000
During the Damage Step, when your "Blackwing" monster battles (Quick Effect): You can send this card from your hand to the GY; that monster gains 1400 ATK until the end of this turn.