Ricai, Garbage Appraiser

{t}: look at the top three cards of target player's graveyard. For each card, if it is Blue, create a clue token, Red, create a treasure token, Green, create a map token, White, create a food token, Black, create a blood token, Colorless non-land, create a tapped powerstone token, Land, its owner mills one card. Put each card on the bottom of its owner's library in a random order.