Refined Sense, Riefa

[AUTO]:When this card is discarded from hand during your turn, you may put this card into soul. [AUTO]:When this unit is placed on (RC), if you have a grade 3 or greater vanguard with "Kairi" in its card name, this unit gets [Power]+5000 until end of turn. If it was placed by the ability of a vanguard with "Kairi" in its card name, it also gets "[AUTO](RC):At the end of your turn, you may return this unit to hand.".