Ardyna, Holy Gravetender

Whenever a non-token creautre under your
control dies, create a 1/1 white and black Owl
Spirit creature token with flying. At the
beginning of each upkeep, you gain life
equal to the amount of Spirits you control.
{t}: Sacrifice 5 spirits, return a creature card from a graveyard with convertd mana cost 5 or less to the battlefield.