When choosing who to attack, it's best to send Adrestia toward an opponent that controls an Island, as they won't be able to block Adrestia to make sure Edward Kenway's passive ability goes off
If you click twice, youll see a red X on the box and you remove the category (as you see in the image below)
You can schedule as many events as you'd like every Friday featuring any format
Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control
Minds Eye can help you keep up with the blue player at the table, or just draw an extra card per turn for a single mana
If you are a new player who has just purchased one (or both of them), you will find out soon enough that while these decks can be played straight out of the box, they may be limited in what they can do, being "pre-constructed" (which means most opponents will know what to expect)