Although it may seem like that is the case - you're actually both choosing a commander at the same time. Your choice is being saved on the server & is being revealed to the opponent after he/she makes their pick
What is the point of fighting arena after you maxed (5 star) blood league?
Testing your Commanders for (possible?) future arena related events
I'm not sure that's the case I may be a live player but I think it's played by the program.
if it was a live player surely when it came to them having first strike their characters should appear first so you can set your best defence against them.
Think this should be the case anyway.
@Lastpilgrim - no I don't think that's the case. There's no reason thier characters should appear first - that would take all of the advantage out of being able to attack first.
Picking and showing takes place at the same time. I think that ensures the best quality gameplay
^ this is giveahoot9