Khenra Spellspear // Gitaxian Spellstalker

Khenra Spellspear Trample Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {3}{U/P}: Transform this creature. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) Gitaxian Spellstalker Trample, ward {2}, prowess, prowess (Each instance of prowess triggers separately.)

"Bolas's methods were crude and inefficient, taking generations to refine the population into a reliable source of combat units. Still, it offers us something of a head start." —Jin-Gitaxias