Duskbloom Ritual

At the beginning of your upkeep, you may sacrifice
a creature. If you do, draw a card and gain life equal
to that creature's toughness.
Whenever a creature you control dies, you may pay {1}. If you do, create a 1/1 green and black Spirit creature token with flying.
"On the full moon of Dusk, we honor life and death, offering our prayers and sacrifices to the spirits of
the land."