Prowess (Whenever you cast a non creature spell, this creature gets +1/+1 until end of turn.) When you cast your second noncreature spell in a turn, conjure (A conjured card is added to the game.) a card named Mox Sapphire into your hand. This ability triggers only once. : Target instant or sorcery card in your graveyard gains flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.) until end of turn. The flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.) cost is equal to its mana cost.