Eminrith, Herald of Souls

Emminence- As long as Eminrith is in the command zone or on the battlefield, whenever a creature you control dies, you gain 2 life.
When Eminrith enters the battlefield, create a 3/3 black legendary dragon token named
Evlinon with flying and,"Whenever you gain life, put a +1/+1 on this."
{1}{w}{b}, Pay 8 life: Destroy target creature.