Unlike the original, this is an effect that interferes with the opponent, so if the opponent is not affected by the effect, the debuff will not work in the first place
Its ideal for long, grindy Commander games where you can afford to set up a slow win condition
If Hide in Plain Sight nets you the MDFC, Disciple of Freyalise you will not have a chance to play it as Garden of Freyalise
Once per turn, during either player's turn, you can negate the activation of a Set Spell/Trap Card and destroy it
It means that more people will get into Disney Lorcana , more people will feel the joy of getting a gift, and more people will start going to the cinema, which is a plus in my eyes