if u play theotar, then use a macaw or bolner for replay his battlecry, instead discover a new card to switch, it switch back the cards you just exchanged.
what the heck…
exemple : play theotar, swap a fish for a legendary, play macaw, boom it give back the legendary to the opponent and the fish to you…
instead properly duplicate the batlecry, it reverse it…
Does this happen consistently or just once?
The repeated Battlecry from Macaw or Bolner picks random targets. So depending on the number of cards in your and your opponent’s hands, there’s always a chance that it just happens to pick the cards you just switched and switches them back.
If it happens consistently every time you play this combination then I recommend that you play with a tool that saves replays so that you can report the bug on the Bug Report forum, with a few links to replays of those games.
But if it happens more often than you would like but not all the time, then it’s just randomness. Being unlucky is not a bug.