Yuxell, the Steady Calm

When Yuxell, the Steady Calm enters the battlefield, search your library for an instant or sorcery card with converted mana cost 7 or greater, reveal it, and put it into your hand. Then shuffle your library.
Protection from converted mana cost 6 or less
{5}{u}{u}: Search your library for an instant or sorcery card, reveal it, and put it into your hand. Then shuffle your library.