This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

Draw three cards, then put two cards from your hand on top of your library in any order.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Counter target spell.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target creature to its owner's hand. Untap up to two lands.

Counter target noncreature spell unless its controller pays {2}.

Draw two cards, then discard two cards.