mtg 60 card deck format Intro Pack mtg 60 card formats What

If an effect says that creature cannot be regenerated, regeneration shield doesnt work

An activated mana ability is one that adds mana as it resolves, doesn't have a target, and isn't a loyalty ability

The only change Id make would be to give the Knights one or two cards with reach so they can at least have a chance of blocking those flying dragons

Honorable Mention I'm not ready to rank a card that doesn't even include Leyline in its name, but Quicksilver, Brash Blur is a potential permanent you can open the game with before any other cards are played

Character cards have some extra elements to them too: A character can have different variants (which means a character can ignore a deck card limit, but their forms cant) which can shift between each other for a reduced fee