Mezzen, the Weird-Blooded

Shroud
Discard a card: Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.
Whenever you discard a card, you may pay {u}{u}{r}{r}. If you do, shuffle target instant or sorcery card you own in exile into your library.
"Welcome to my mind. Try to stay sane, I dare you."