Student Detective League's Assistant (Full Art) (TSR-039 N) [The Battle at the Sacred Ruins]

[Investigate] (1) You pay U1 less to play this card if there are one or more cards revealed by an [Investigate] ability you controlled in your deck and you have not played a spell named "Student Detective League's Assistant" this tum. Whenever this card deals battle damage to a player >>> Draw a card. [Solo Mode] [Rest]: Put a revealed card from your deck on the bottom of your deck, unrevealed. If you do, gain a water clue.