When Mesmeric Fiend enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card. When Mesmeric Fiend leaves the battlefield, return the exiled card to its owner's hand.
Near Mint - $0.50
Lightly Played - $0.50
Moderately Played - $0.25
Heavily Played - $0.25
Damaged - $0.25
Near Mint Non-English - $0.50
Lightly Played Non-English - $0.50
Moderately Played Non-English - $0.25
Heavily Played Non-English - $0.25
Damaged Non-English - $0.25