$1 pokemon card packs Trading Game Card Pack Mega Evolution Pokemon Scarlet & Violet -

5 - Kasumi's Tears/Misty's Tears (Classic Set Japanese - City Gym Decks - Hanada City Gym) This is the Japanese version of Misty's Tears G2 118

It was first introduced in the Lost Thunder expansion set in 2018

How would you go about upgrading them

Not only is it a four mana 4/4 with flying, but anytime you cast a noncreature spell you get to create a token where its power and toughness are equal to the mana spent casting the spell

Reminder that a Poisoned Pokmon won't be able to use a PokePower, so Poison Bind has lots of situational uses to disrupt the opponent, even with its biggest enabler, Luxray GL Lv.X (GL), absent from the deck