Whenever a creature you control enters, you may move a counter from this artifact onto that creature
Scapeshift is mostly known for its power alongside cards like Primeval Titan and Valakut, the Molten Pinnacle in Modern, where the ability to sacrifice any number of lands and then tutor up that many lands and put them directly on the battlefield often ends the game on the spot with a massive pile of Valakut triggers
OP04, also known as Kingdoms of Intrigue, is the fourth booster set of the One Piece Card Game
As for the waterbending cost, the additional artifact tokens, creatures and lands really bring the cost down to a manageable amount that is way easier than waiting for the next full moon and put the Secret of Bloodbending on this list as one of scariest things you can pull off
It's easy to misread the second ability, which for my brain translates as my small ground attackers can get in unblocked unless fliers swoop down to block. One important note there is that the blocking restriction applies when other players attack your opponents
Perhaps they could take a more obvious approach with their rarities like Magic: the Gathering, with its Prosperity cards in Outlaws of Thunder Junction, or even add another layer of Disney magic to cards like with Star Wars Unlimited's Hyperspace rares