This is a prime example of a month in which McDonald's sells out of this particular Happy Meal toy
Luffy: - Rules of Play says
Of course, this isnt confirmed, just a best guess: Boost x Once during your turn, you may pay x to put the top card of your deck facedown under this character This also opens up the possibility of giving Boost to another character for added buffs, or doing some Shift shenanigans in the future
Then, you'll have access to multiple triggers on each of your turns, hence shining even more in the aforementioned linear, aggro decks
Your pet cards that were too expensive in previous sets like the wonderful Fairy Godmother, Mystic Armorer or Snow White, Well Wisher will now be a lot easier to shift out if theyre paired with Emerald and this globby little guy