Marin the Manager treasures animation bug

I just played a game where the opponent and also me played Marin the Manager and his treasure cards.
For some reason my animation was ok and the opponents wasnt.
He played Tolins Goblet and it added the card duplicated one by one to his hand, instead of creating multiple ones as it did always.
Then he played Golden Kobold and for some reason it also changed all the cards in his hand (6 to be precise) not all at once, but single at the time. In the midst of the animation my opponent ended his turn. But the animation continued, got somewhat buggy and replayed for more times than it should. After it ended i got my turn, but this resulted in the fact that i didnt have time left and the fuse started to go down all of sudden and i couldnt finish my turn in time and the next opponent turn i lost the game.

Please check this behavior and if it is really a bug fix it. Thanks.