Mokey Mokey Smackdown (SGX1-ENI17) - Speed Duel GX: Duel Academy Box 1st Edition

While a face-up "Mokey Mokey" is on your side of the field, if a Fairy-Type monster on your side of the field is destroyed, the ATK of each "Mokey Mokey" on your side of the field becomes 3000 until the end of this turn.