Yomar, Exiled Doctor

Landfall — Whenever a land enters the
battlefield under your control, create a Food
token.
Morbid — At the beginning of each end step, if a creature died this turn, create a Blood token.
{t}, Sacrifice a Food or Blood: Add one mana of
any color.
{1}, {t}, Discard a card, sacrifice a Food: Draw a
card.
{2}, {t}, Sacrifice a Blood: You gain 3 life.