When Gray Merchant of Asphodel enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
Near Mint - £1.00
Lightly Played - £0.90
Moderately Played - £0.70
Heavily Played - £0.50
Damaged - £0.30
Near Mint Non English - £1.00
Lightly Played Non English - £0.90
Moderately Played Non English - £0.70
Heavily Played Non English - £0.50
Damaged Non English - £0.30