The Air Rifle

Freerunning {1}{w/b}{w/b}
Equipped creature gains +1/+1 and has menace and Dethrone

Whenever a creature with a bounty counter
dies, Surveil 2. Then if this is attached to a knight or Assassin, pay 1 life, draw a card.

Equip Legendary creature {1}
Equip {2}