Za'Llah, The Omniscient

Whenever you scry, scry for that amount +1 and then draw a card.
Whenever you scry, you may scry target opponent's library. If you do, place a knowledge counter on Za'Llah.
{t}: Cast target spell exiled by Za'Llah with converted mana cost less than or equal to the number of knowledge counters on Za'Llah.