Carla, Extalia\'s Prophet

Whenever you cast an instant, sorcery, or wizard spell, surveil 1. Exile Carla, Extalia’s Prophet: You can cast wizard spells from your graveyard until your next end step. {T}: Add one mana of any color, this mana may only be used to cast instant, sorcery, or wizard spells. {2}{U}: Return this card from exile to the battlefield transformed.