Mystery Potion

At the beginning of the game, choose one:
-Whenever Mystery Potion is put into your graveyard from anywhere, reveal it and shuffle your graveyard into your library.
-Whenever Mystery Potion is put into your hand from anywhere, reveal it, shuffle it into your library, and draw a card.
-Whenever Mystery Potion is put into exile from anywhere, shuffle it into your library and take another turn after this one.