Irthu, Ravager of Mana

Irthu, Ravager of Mana's power and toughness
are equal to the number of instant and sorcery spells in your graveyard.
Flying, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{u}{r}, Discard an instant or sorcery from your
hand: Return a spell of the same type from your graveyard to your hand.