Brenneth, Scriptology Star

Whenever you sacrifice a clue you may exile an
instant or sorcery card from your graveyard,
when you do target opponent loses life equal to
its mana value.
Magecraft —Whenever you cast or copy an
instant or sorcery spell, you may investigate. If
you don't, surveil 2.
Instructor (You can have a Lesson as a second commander.)