As Farewell to Arms enters the battlefield, choose a hand attached to an opponent's arm. When the chosen hand isn't behind its owner's back, sacrifice Farewell to Arms. If you do, that player discards their hand . . . of cards. (The lawyers wouldn't let us do it the other way.)
NM-Mint Foil - $5.20
Lightly Played Foil - $4.70
Moderately Played Foil - $4.20
Heavily Played Foil - $3.60
Damaged Foil - $2.60
NM-Mint Foil Non English - $5.20
Lightly Played Foil Non English - $4.70
Moderately Played Foil Non English - $4.20
Heavily Played Foil Non English - $3.60
Damaged Foil Non English - $2.60