Chulane, Seeker of Stories

Creature spells you cast that don't have the same
name as any creatures you control cost {2} less to
cast.
Whenever you cast a creature spell, put a story
counter on Chulane, Seeker of Stories.
{t}, Remove X story counters from Chulane:
Draw X cards. X cannot be greater than the
highest converted mana cost among
creatures you control.