Drifting Cloud, Seiun Sky (UMA/W106-E027S) [Umamusume: Pretty Derby]

[AUTO] [Put 1 card from your hand into your waiting room] When this card attacks, you may pay the cost. If you do, during that attack, perform a trigger check 2 times on the trigger step. [AUTO] When this card's trigger check reveals a card with [SOUL] in its trigger icon, choose 1 of your other "UMAMUSUME" characters, and that character gets +1 soul until end of turn.