Crossbow of the Liche

Crossbow of the Liche enters the battlefield with
5 arrow artifact tokens ({1}, {t} sacrifice this artifact:
deal 1 damage to any target, you gain 1 life.)
Equipped creature gains deathtouch as long as
you have more than 5 arrow artifacts.
{2}{b}, {t}: create a arrow artifact token
you have been shot. yield!