Brian, The Big Brain

Deathtouch, Flying, Menace
Annihilator 3 (Whenever this creature attacks,
defending player sacrifices 3 permanents).
{2}, {t}: Copy target spell and choose a new target.
{5}: Sacrifice X creatures and then return X
creatures from your graveyard of equal converted
mana cost.
Partner (You can have two commanders if
both have partner).