Glitch, The Vacator

Lifelink, Haste
({p/b} can be paid with {b} or 2 life)
({p/w} can be paid with {w} or 2 life.)
When Glitch, The Vacator enters the battlefield, deal combat damage equal to how many creatures you have in play, when you do, exile that many cards from your library.
{w/b}{t}: You may cast a card from exile without paying its mana cost.