Blackwing Armed Wing [RGBT-EN041] Super Rare

1 "Blackwing" Tuner + 1 or more non-Tuner monsters If this card attacks a Defense Position monster, it gains 500 ATK during the Damage Step only. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent.