When Trial of Knowledge enters the battlefield, draw three cards, then discard a card. When a Cartouche enters the battlefield under your control, return Trial of Knowledge to its owner's hand.
NM-Mint - $0.50
Lightly Played - $0.45
Moderately Played - $0.40
Heavily Played - $0.35
Damaged - $0.25
NM-Mint Non English - $0.50
Lightly Played Non English - $0.45
Moderately Played Non English - $0.40
Heavily Played Non English - $0.35
Damaged Non English - $0.25
Foil Prices
NM-Mint Foil - $0.50
Lightly Played Foil - $0.45
Moderately Played Foil - $0.40
Heavily Played Foil - $0.35
Damaged Foil - $0.25
NM-Mint Foil Non English - $0.50
Lightly Played Foil Non English - $0.45
Moderately Played Foil Non English - $0.40
Heavily Played Foil Non English - $0.35
Damaged Foil Non English - $0.25