Veigar, Tiny Master of Evil

Prowess (Whenever you cast a noncreature
spell, this creature gets +1/+1 until end of turn.)
{u},{t}: put a phenomenal evil counter on Veigar,
Tiny Master of Evil.
{b}{b}{b},{t}: Exile target creature with toughness
less than or equal to the number of phenomenal
evil counters on Veigar, Tiny Master of Evil.