Thankfully, you won't expend any stamina if you lose the battle, and Event Hourglasses, which reduce the timer for stamina, can be earned by completing battles for the first time alongside a few other rewards
Your support ID is now visible at the top of the menu
Tag Call allows you to search out not one, but two Tag Team cards, of which can even be the same one
And then theres Angelitea heavenly nightmare that shuffles two of your opponents benched Pokemon back into their deck, no questions asked
Why let your opponent have access to a graveyard when you can just exile it all
I would recommend reading my previous article as well, which has quite a bit of additional information on this format