Anthocyanex, The Equinox

Forestwalk

{t}, Pay 1 life, Sacrifice another creature: Flip a
coin. If you win the flip, each player gains life equal
to the sacrificed creature's mana value. Otherwise, each player loses life equal to that value.

At the beginning of each end step, if one or more creatures you controlled died this turn, you may discard a card. If you do, draw two cards.