Blackwing Armor Master (Starfoil)

1 Blackwing Tuner + 1 or more non-Tuner monsters // This card cannot be destroyed by battle, and you take no Battle Damage from battles involving this card. If this card attacks a monster, you can place 1 Wedge Counter on that monster at the end of the Damage Step (max. 1). You can remove all Wedge Counters from your opponent's monsters to reduce the ATK and DEF of each monster that had a Wedge Counter to 0, until the End Phase.