Aviden, Hired Sharpshooter

Vigilance, first strike, reach, attacker
Whenever a creature dealt damage by Aviden, Hired Sharpshooter this turn dies, you gain 1 life.
{b}{b}, {t}, Exert Aviden, Hired Sharpshooter: Aviden, Hired Sharpshooter deals 5 damage to target creature, player or planeswalker.
"Never a wasted arrow, and never a spared life."