WAKE CUP! Mocha (DUAD-EN028) [Duelist's Advance]

Once per turn, during your End Phase: You can change this card to face-down Defense Position. You can only use each of the following effects of "WAKE CUP! Mocha" once per turn. You can target 1 face-down Defense Position monster on the field; Special Summon this card from your hand, and if you do, change that monster to Attack Position. If this card is flipped face-up: You can target 1 face-up monster on the field; it gains 1000 ATK, but send it to the GY during the End Phase.