Iztlge, Bravest Homunculus

Haste, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
At the beginning of your upkeep, you may reveal the top card of your library. If it's an instant or sorcery card, Iztlge, Bravest Homunculus gets +1/+1 until end of turn.