Same. Cant sideboard while Kaheera is my companion. Im not sure if companion is the issue but thats the deck that encountered this issue. After 5 games of not being able to sideboard, i reinstalled Arena. I was able to sideboard for one game, then the problem returned. Pls fix
Same. Cant sideboard while Kaheera is my companion. Im not sure if companion is the issue but thats the deck that encountered this issue. After 5 games of not being able to sideboard, i reinstalled Arena. I was able to sideboard for one game, then the problem returned. Pls fix