No one is going to cut you down in the middle of the street for calling a Pokmon card by the wrong name (unless theyre jerks), but nothing else would make you stick out like a sore thumb in a community like that
It is also important to note how potent the card is alongside Counterbalance, providing a soft lock that can be both powerful and frustrating to play against, further elongating a non-deterministic game state that heavily favors one player but doesn't illicit a concession
I would suggest picking up a playset if youre thinking of playing Modern in the future, as it will be a real player for some time to come
Prices for this card remain consistently high, showing that it is both a collectors gem and a potential investment piece
You'll still want to complete other collections (if you haven't yet), but with so many interesting cards to get on Mythical Island, I wouldn't sleep on the Mew packs for now.
If you have any questions, please do not hesitate to comment