Dark Magician

Ward {3}, Menace
Threshold - Dark Magician also has shroud. (You have threshold if you have seven or more cards in your graveyard).
Dark Magic Attack - When Dark Magician enters the battlefield or attacks, choose up to {x} instant or sorcery cards in your graveyard, where {x} is the number of wizards among creatures you control: until end of turn, you may cast those spells. If a spell cast this way would be put into your graveyard, exile it instead.