BlitzGreymon - BT3-018 (Dash Pack Ver. 1.5) (BT3-018) - Release Special Booster Foil

[Piercing] (When this Digimon attacks and deletes an opponent's Digimon and survives the battle, it performs any security checks it normally would.)
[When Digivolving] Trigger [De-Digivolve 2] on 1 of your opponent's Digimon. (Trash up to 2 cards from the top of one of your opponent's Digimon. If it has no digivolution cards, or becomes a level 3 Digimon, you can't trash any more cards.