Millenniummon (1-Year Anniversary Box Topper) (BT2-083) - Release Special Booster Foil

[When Digivolving] Return 1 of your opponent's Digimon to the bottom of their deck. (Trash all of the digivolution cards of that Digimon.)
[On Deletion] If this card had digivolution cards, you may play this card from your trash without paying its memory cost.