Sword of Sacrifice

Equipped creature gets +3/+1, deathtouch,
and has 'Whenever another creature dies,
target player loses 1 life and you gain 1 life.'
Equip {1} ({1}: Attach to target creature you
control. Equip only as a sorcery.)
A great legend needs a trusty blade that has seen
bloodshed and even heartbreak to make it
extraordinary to their leader's eye.