Flashback Mage

Flash (you can cast this card at instant speed)
When Flashback Mage enters the battlefield,
target instant or sorcery card in your graveyard
gains flashback until end of turn.
The flashback cost is equal to its mana cost.
(You may cast that card from your graveyard for
its flashback cost. Then exile it.)
"Time to go back in time, kappa"