Night Vale City Council

Night Vale City Council enters the battlefield with X +1/+1 counters on it, where X is the number of cards currently in exile.
When Night Vale City Council enters the battlefield, name three nonland cards. Those cards are exiled from all fields, libraries, and graveyards.
{b}{b}{b}{b}{b}{t}: Night Vale City Council gains X +1/+1 tokens, where X is the number of cards in exile.