Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.
NM-Mint - $4.50
Lightly Played - $4.10
Moderately Played - $3.60
Heavily Played - $3.20
Damaged - $2.30
NM-Mint Non English - $4.50
Lightly Played Non English - $4.10
Moderately Played Non English - $3.60
Heavily Played Non English - $3.20
Damaged Non English - $2.30