Frieza, the Shadow Warrior

When your opponent has 7 or more cards in their hand, this card can attack your opponent's Battle Cards in Active Mode.
If your Leader Card is a black 《Demon Realm Race》 card : If this card's attack KOs an opponent's Battle Card or removes a marker from an opponent's Unison Card, add up to 1 card from your life to your hand, then your opponent chooses 1 card in their hand and discards it.