TiaLudomon (BT3-064) - Release Special Booster 1.5

[When Attacking] If this Digimon is level 7, trigger [De-Digivolve 1] on 1 of your opponent's Digimon. (Trash a card 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.)