They could evolve into their final forms on the same turn they're used
If the exiled card is a land card, you may play it only if you have an available land play remaining this turn
Teammates ties into my earlier remarks about not wanting to overcommit resources early, because if we have a few of our pieces safe in our hand (e.g., Stoutland/Memory Energy/Devolution Spray), then we can give our opponent a knockout on purpose and use Teammates to grab Rare Candy and Raichu to complete our setup
In other words, and paraphrasing the old saying, you can please some people sometimes, but can't please all the people all the time
ARC-V has their Duel Disks look pretty much exactly like real-life tablet computers, just with a slot in the side for the deck to insert into
Zen Takahashi Another sideboard card, I personally rated Force of Vigor higher than Veil of Summer, but I was outvoted on this one