devil fruit one piece card game Amazon.com: BANDAI Fruits Collection Vol.2 Flame-Flame Fruits DF-02 : Toys & Games Dedicated Deck Card Games by Bandai Namco One Piece TCG : Card

This is due to rule 400.7f which states that if an effect grants a nonland card an ability allowing to cast that card, that ability continues to apply to the new object that card becomes in the stack as it is being cast that way

This raises a pair of conflicting questions

However, I wouldnt count on that always coming up

Ink Geyser was all the rage when it was revealed

Though there are more types of double faced cards and other rules mostly to do with various other keywords and the way they can affect the handling of double faced cards the above will cover you for learning how to incorporate cards in your deck, along with the basics of how they work