Spelleater, Doom of Mages

Equipped creature gets +2/+2 and has protection from instants and sorceries.
Equipped creature has ",{t}: Exile cards from the top of target opponent's library until you exile an instant or sorcery card, you may cast that card without paying its mana cost for as long as Spelleater is equipped to a creature and you may cast it at any time you could cast an instant".
Equip Legendary Creature {2}