Raizan, the Raging Storm

Flying, prowess, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end
of turn. Multiple instances of prowess on a single permanent trigger separately.)
Whenever Raizan, the Raging Storm attacks,
draw a card, then discard a card. Then choose an instant or sorcery card in your graveyard at random. That card gains flashback until your
next turn. Its flashback cost is equal to its mana cost.