
First strike
When this creature enters, 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.)
Nightshade Assassin has 3 printings, first in Time Spiral (2006). EDHREC ranks it #13,957 among Commander cards. It appears most in Anje Falkenrath decks (4,311 on EDHREC). 1 public deck on TCG runs it. It has 11 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.