Nirkana Assassin [Battle for Zendikar]

Set: Battle for Zendikar Type: Creature — Vampire Assassin Ally Common Cost: {2}{B} Whenever you gain life, Nirkana Assassin gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.) Nirkana assassins craft incurable concoctions by mixing basilisk marrow and deathwillow sap with the vital fluids of a dozen other poisonous species.