Khenra Spellspear
Trample
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{3}{U/P}: Transform Khenra Spellspear. 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.)