Anyways, I think it's still better to wash up first.
[AUTO]:[Counter Blast (1) & Choose three grade 1 or greater «Great Nature» not named "Wash Up Racoon" from your drop zone, and put them on the bottom of your deck in any order] During your end phase, when this unit is put into your drop zone from (RC), if you have a «Great Nature» vanguard, you may pay the cost. If you do, search your deck for up to one card named "Wash Up Racoon", reveal it to your opponent, put it into your hand, and shuffle your deck.