You may return one "Boerte Salkhi" from your Trash to Hand during (Your End Step). This effect can only be used once per turn. [Burst: After your opponent activates a Spirit or Ultimate's (When Summoned/Advents) effect.] Heavy exhuast one opposing Spirit/Ultimate. After that, refresh one of your Spirits. (Heavily exhausted cards are turned upside down and become exhausted after refreshing once.) After that effect resolves, by paying the cost, activate this card's Flash effect. Flash - During this turn, one of your "Blade Beast" Spirits gets +5000 BP.