Gundam GP02A (U+) (Link Rare) (GD06-055) [Stardust Trails]

[During Pair] [Attack] You may deal 1 damage to this Unit. If you do, this Unit gains [Breach 2] during this battle.<br>
(During your turn, when this Unit destroys an enemy Unit with battle damage, deal the specified amount of damage to the first card in that opponent's shield area.)