one piece booster box op-09 Japanese】One Card Game Emperors in the New World OP09 (Official) * Genuine * – HeavyArm Store offering players new strategic possibilities One Piece OP-09 Case Opening

Activate only during your turn and only once each turn

I don't believe either of those rules are in contention for the top spot of "old rules that would still be be sweet to use in oldschoolmtg", but that is a fully different post

You've got everything from creatures and Planeswalkers to auras, equipment, sagas, and classes

If they're locked behind the mastery pass, you'll need to unlock enough mastery orbs to unlock each one, and it will likely only be possible to unlock enough if you buy the premium mastery pass

#2 Elsa The Fifth Spirit I was excited to see this card revealed because of how needed it is in the current meta, especially for Amethyst decks

I have abused it silly with Land Tax for an effective Ancestral Recall on a stick