Slayer Blade

As you equip Slayer Blade, choose a creature type, then choose a color, then choose either Lifelink, First Strike, Trample, or Vigilance. If you equip Slayer Blade to an Angel, choose an additional time.
Equipped creature gets Protection from the chosen creature type, protection from the chosen color, and gains the chosen ability.
Equip: {2}
Equip to an Angel: {0}