Bebo's Seeing Stone

Linger (Whenever you cast an instant or sorcery
spell, you may pay {2} and exile this card from your
graveyard to add the bracketed phrase to that spell.)
{1}, {t}: [Scry 1]
{2}{u}{u}, sacrifice Bebo's Seeing Stone: Draw
three cards, then discard a card.
The faeries' insight was valuable. They had always
known the world to be filled with mad giants.