First strike
When Nightshade Assassin enters the battlefield, you may reveal X black cards in your hand. If you do, target creature gets -X/-X until end of turn.
Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Near Mint - $0.50
Near Mint Non-English - $0.50
Lightly Played - $0.47
Lightly Played Non-English - $0.47
Moderately Played - $0.40
Moderately Played Non-English - $0.40
Heavily Played - $0.30
Heavily Played Non-English - $0.30
Damaged - $0.25
Damaged Non-English - $0.25