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 - $300
Lightly Played - $300
Moderately Played - $200
Heavily Played - $200
Damaged - $200
Near Mint Spanish - $300
Lightly Played Spanish - $300
Moderately Played Spanish - $200
Heavily Played Spanish - $200
Damaged Spanish - $200