Ambrosia

You may cast Ambrosia from your graveyard or
from exile.
When Ambrosia enters the battlefield you gain
3 life and put a Food Token into play.
When Ambrosia is put into the graveyard from
the battlefield put a Food Token into play.
Food artifacts cost {1} less to activate.
{2}, {t}, Sacrifice this artifact: You gain 3 life.