Forum:Exchange+ Dark World

Hello, I've I was recently in a duel and a certain problem came up:

My hand:

1x Goldd 1x Dragged Down into the Grave 1x Exchange

Opponent's hand: 1x Marshmallon 1x Allure of Darkness

so I put my dragged down into the grave facedown then activated my exchange and took my opponents marshmallon. Then I activated dragged down into the grave which I made my opponent discard my Goldd (and he discared my Marshmallon). Does Goldd get his second effect? because he was technically discarded by the current opponent's card effect which was me (his owner)?

RayELW thanks