Unicorn Gundam 02 Banshee Destroy Mode

Unicorn Gundam 02 Banshee (Destroy Mode) GD01-003

[During Link] [Attack] Choose 12 cards from your trash. Return them to their owner's deck and shuffle it. If you do, set this Unit as active. It gains during this turn.
(While this Unit is attacking, it deals damage before the enemy Unit.)