Ereon the Madman

When Ereon enters the battlefield, if no {b} was
spent to cast it, draw a card. If no {u} was spent to
cast it, target creature gets -2/-2 until end
of turn and you get 2 life.
{t}, pay 2 life: Shuffle target Horror creature card
from your graveyard into your library.
When a Horror enters the battlefield under your
control, scry 2.