Eldrad Ulthran High Seer

At the beginning of your upkeep, you may scry 3,
then you may reveal the top card of your library.
If it's an instant, sorcery, or enchantment, you
may exile it.
{t}, reveal an instant, sorcery, or enchantment
from your hand and pay its casting cost: exile it.
{u}: You may cast a card exiled with Eldrad
Ulthran without paying its mana cost.