Full Moon Blaster (BT4-103) [Great Legend]

[Main] Return 1 of your opponent's level 5 or lower Digimon to its owner's hand. If your opponent has 8 or more cards in their hand, instead return 1 of your opponent's level 5 or lower Digimon to the bottom of its owner's deck. (Trash all of the digivolution cards of that Digimon.)