When Overwhelmed Apprentice enters the battlefield, each opponent puts the top two cards of their library into their graveyard. Then you scry 2. (To mill a card, a player puts the top card of their library into their graveyard. To scry 2, look at the top two cards card of your library, then then put any number of them on the bottom of your library and the rest on top in any order.)
Near Mint - $100
Lightly Played - $100
Moderately Played - $100
Heavily Played - $100
Damaged - $100
Near Mint Spanish - $100
Lightly Played Spanish - $100
Moderately Played Spanish - $100
Heavily Played Spanish - $100
Damaged Spanish - $100