one piece card game op 08 TCG Japanese - OP08 the Big Mom Pirates as purple King OP08-057 - One Piece

Why would you bother with anything else

Yes, a keyword action is technically also a keyword, but it's not possible for a creature to have a keyword action without having some other ability

Here is a good example of shuffling: Finally, let me remind you that when a player presents his deck to the opponent, he or she confirms that his or her deck is correct, legal and sufficiently randomized

If there's a cost associated with having that creature attack or block, its controller isn't forced to pay that cost, so it doesn't have to attack or block in that case either

Others use alternate costs and make for even more interesting and dynamic cards