Kozilek, the Great Distortion [Oath of the Gatewatch Prerelease Promos] Praetor But where is the source

But where is the source

and the world was silent no more

The imps' warbling cries echo through Phyrexia's towers like those of mourning doves in a cathedral

−2: Create a 4/4 red Dragon creature token with flying

Kozilek, the Great Distortion [Oath of the Gatewatch Prerelease Promos] Praetor But where is the sourceSet: Oath of the Gatewatch Prerelease Promos Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {8}{C}{C} When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference. Menace Discard a card with converted mana cost X: Counter target spell with converted mana cost X. A void as cryptic as reality itself.