can you play japanese pokemon cards in english Are worth more? How to Read Japanese Pokémon

On June 1, The Pokmon Company revealed more information about the 30th anniversary set, including that it would contain a 30-card Classic Collection subset of reprints from the games history, stamped with the 30th anniversary logo

If you do, until Vesuvan Shapeshifter is turned face down, it becomes a copy of that creature, except it has At the beginning of your upkeep, you may turn this creature face down. Vesuvan Shapeshifter normally costs five mana, but you can cast it as a morph card for three, and then it only costs two mana to flip

For that reason, the librarian seems pretty good in this deck

Card not found from Future Sight (2007) is definitely an interesting flavor win, but doesnt seem very playable, unless you are playing a deck where you specifically have a lot of four drops