Isrys, Oona's Heir

Flying
Whenever Isrys, Oona's Heir enters the
battlefield or attacks, defending player puts
the top six cards of their library into their
graveyard.
{2}{u}{b}: If a player would draw a card, instead
they draw a card and reveal it. If it's a creature
card, that player discards it unless they pay 3 life.