Cards that equally benefit you and one opponent are often underrated or controversial in terms of competitive viability (see Secret Rendezvous), but they can inject some excitement into more casual games
Cards like Polymorph Tinker Natural Order they are often among the most abusable
By drawing dozens of hands with a given decklist, a player develops an intuitive understanding of which hands are keepable and which demand a mulliganknowledge that translates directly to faster, more confident decisions at the table
What's cool about this card is that it can destroy more than 1 monster on the opponent's side of the field, and it does not target (meaning that you don't necessarily have to commit, if your opponent responds in a way that still lets you resolve the effect)
This happens at the end of the players and the opponents turns
Share can be a handy tool for decks that are sensitive to losing energy when one of its Pokmon is knocked out, like decks without energy acceleration options or decks that are especially reliant on manually attaching a single Basic Energy card each turn