You also cant make any choices or decisions for the player that would be called for by the tournament rules (such as whether to take an intentional draw or whether to call a judge)
But most of the time Mike is going to be saving a dungeon creature or a big Dragon
Emerald Chromicon is great for keeping your pieces in play instead of languishing in your discard pile, but Baymax's Healthcare Chip is the Item you want to find first and foremost, as it gives you a cosnsitent way to heal large amounts of damage
Its a nod to the (in)famous Black Lotus, but in a more balanced and reusable form
I don't know about you, but I don't think I'll ever outgrow the thrill of opening booster boxes
If two or more effects attempt to modify how many counters would be put onto a permanent you control, you choose the order to apply those effects, no matter who controls the sources of those effects