Darkmoon's Favor

Scry X where X is the amount of mana
spent to cast this spell, then draw 2 cards.
(Look at the top X cards of your library, then
put any number of them on the bottom of your library and the rest on top in any order.)
Flashback {4}{u}(You may cast this card from
your graveyard for its flashback cost. Then exile
it.)