Tapion, Savior From Another Time

If your Leader Card is a blue 〈Trunks : Future〉 card : When this card is played, you may add 1 card from your life to your hand. If you do, choose 1 card in your hand and place it face up in your life.
When your opponent attacks, choose up to 1 mono-blue 〈Trunks : Future〉 card with an energy cost of 2 or less in your hand and play it.
Choose up to 1 of your opponent's Battle Cards, negate its skills for the turn, and place it under this card.