When Mesmeric Fiend enters, 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 - £0.10
Lightly Played - £0.10
Moderately Played - £0.10
Heavily Played - £0.10
Damaged - £0.10
Near Mint Non English - £0.10
Lightly Played Non English - £0.10
Moderately Played Non English - £0.10
Heavily Played Non English - £0.10
Damaged Non English - £0.10