When Trial of Knowledge enters, draw three cards, then discard a card. When a Cartouche you control enters, return Trial of Knowledge to its owner's hand.
Near Mint - $1.25
Lightly Played - $1.00
Moderately Played - $1.00
Heavily Played - $0.75
Damaged - $0.75
Near Mint Non-English - $1.25
Lightly Played Non-English - $1.00
Moderately Played Non-English - $1.00
Heavily Played Non-English - $0.75
Damaged Non-English - $0.75