VSTAR rule: When your Pokémon VSTAR is Knocked Out, your opponent takes 2 Prize cards.
Legacy Star
During your turn, you may discard the top 7 cards of your deck. Then, put up to 2 cards from your discard pile into your hand. (You can’t use more than 1 VSTAR Power in a game.)
Apex Dragon
Choose an attack from a Pokémon in your discard pile and use it as this attack.