Geve, Keeper of History

First Strike, Vigilance
Whenever you cast a legendary spell, draw a
card and put a +1/+1 counter on Geve.
{t}: Legendary spells you cast cost
{w}{u}{b}{r}{g} less to cast this turn. This effect only reduces the amount of colored mana you pay.
He is the librarian, he is the keeper, he is
legendary