At the end of your attack phase, you may place one card from your hand into your sideline. If you do, choose up to one [Fourth Jeju Island Raid] affinity card on your field and switch it to active.
[When Played] Choose up to one other [Fourth Jeju Island Raid] affinity card on your field. It gains 1000 BP {until the end of the turn}. If you choose "Baek Yoonho" with this ability, {until the start of your next turn} instead.