Trainer cards, including Supporters and Items, make up nearly half of any deck in Pokémon TCG Pocket and are instrumental to strategies and eventual victories in battles. Cards like Misty, Leaf, Erika,

You can use as many Pokémon Tool cards as you want per turn, but you can only use one Tool card per Pokémon. So if you attach a Rocky Helmet on a certain Pokémon, you can’t stack another card, like another Rocky Helmet or a Lum Berry on top of it. Once your Pokémon loses HP and is sent to the discard pile, so too will the Tool card.