Blackwing Armor Master

1 "Blackwing" Tuner + 1 or more non-Tuners
① Cannot be destroyed by battle.
② You take no Battle Damage from attacks involving this card.
③ At the end of the Damage Step, if this card attacked a Monster: You can play 1 Wedge Counter on that monster (max. 1).
④ You can remove all Wedge Counters from your opponent's monsters; this turn, their ATK/DEF becomes 0.