Jaya, Reborn Avenger

+1: You may cast target card from your hand without paying its mana cost. If it's a permanent, sacrifice it at the beginning of the next end step.
-4: You may cast target card from your graveyard this turn without paying its mana cost.
-10: Reveal the top ten cards of your library. You may cast any number of spells from among them without paying their mana costs.