Hi, the question is simple, is the Mind's Desire errata about "you may play it as though it were in your hand"? because the news version dont have it, and i know card casted in exile are not in your hand, i have this question because a friend use the scourge version on a Yidris, Maelstrom Wielder deck.
If the Oracle text doesn't have it, then no version has it. Every version of a card works the same, regardless of what is printed on the card.
Also, in this scenario "as though it was in your hand" was removed because of issues like this. The functionality is exactly the same as it was before; just now, people don't think things like Yidris would trigger. Since Yidris requires the spell to be cast from hand, and being cast from Exile is not being cast from the hand, Yidris won't trigger on spell's cast from Mind's Desire.
Also, in this scenario "as though it was in your hand" was removed because of issues like this. The functionality is exactly the same as it was before; just now, people don't think things like Yidris would trigger. Since Yidris requires the spell to be cast from hand, and being cast from Exile is not being cast from the hand, Yidris won't trigger on spell's cast from Mind's Desire.