Aven Rebirth

Aven Rebirth is an enchantment, if a creature
you control dies while Aven Rebirth is on the battlefield it is also a creature.
As long as Aven Rebirth is a creature, if a
non-token creature you control dies put a +1/+1 counter on Aven Rebirth and create a 1/1 white
Spirit creature token with Flying.
Flash, Flying