The Didact

{3}{r}Destroy target creature. It comes under your control with +1/+1 and has Forerunner subtype in addition to other subtypes.
{t}{2}Place 2 2/2 Promethian Knight Tokens onto the field.
{t}{10}Destroy 10 target creatures.
Time was your ally, human. But now it has abandoned you.
-Didact