Anthocyanex, The Equinox

Emerge {4}{b}{r}{g}

You may cast Anthocyanex, The Equinox from the graveyard by paying its emerge cost.

Discard a card: Creature spells you cast cost {1} less for each creature card in your graveyard until end of turn.

At the beginning of each end step, if four or more permanent cards entered graveyards from anywhere this turn, each player draws three cards