By sending this card from your hand to the Graveyard during the Damage Step when 1 face-up Blackwing monster you control battles, that monster gains 1400 ATK until the End Phase of that turn.
- Number: RGBT-EN012
- Rarity: Common
- Attribute Monster Type/Card Type: DARK Winged Beast Effect/Effect Monster
- Level: 3
- A / D: 1400 / 1000