Your Registeel's attacks do 10 more damage to your opponent's Active Pokémon (before applying Weakness and Resistance).This attack's damage isn't affected by Resistance.
Choose 2 cards from your discard pile. Then, ask your opponent if you may put them into your hand. If yes, put those cards into your hand. If no, this attack does 80 damage to your opponent's Active Pokémon.
As long as this Pokémon is on your Bench, prevent all damage done to this Pokémon by attacks (both yours and your opponent's).Search your deck for a card that evolves from this Pokémon and put it onto this Pokémon to evolve it. Then, shuffle your deck.