Spellborn Scourge

You may exile ten instant and/or sorcery cards from your hand rather than pay Spellborn Scourge's mana cost.
Prowess, prowess, prowess, prowess, prowess (Whenever you cast a non-creature spell, this creature gets +5/+5 until end of turn.)
Whenever Spellborn Scourge enters the battlefield, draw ten cards.