one piece card game op03 018 Fire Fist Rare Alt Art TCG OP03 Pillars of Streng One Piece OP ONE PIECE CARD GAME OP03-013

To finally get to your actual question, the Set Design and Play Design teams worked really hard on the split cards to make sure that the two choices were things that allowed you to both have answers to narrower problems while still giving you an effect that would allow you to main-deck the card

In the early sets, their compatibility was intentionally designed to be poor

It's a 3/3 or 4/3 in the midgame and could be better by the late game

If something else becomes a copy of Cursed Mirror while Cursed Mirror is a copy of a creature, the duration of the effect is not copied

These cards usually play out worse than you want them to, and Id stick to Morbid Opportunist for this brand of card draw, but flash changes the equation just enough to consider this

The official Lorcana website describes this Ink as producing characters that are "flexible" and "never caught off guard." Players should build an Emerald deck if they want to be able to adapt to the battlefield quickly