Draconix

Lifelink, Indestructible, Hexproof, Flying, Trample, Vigilance, Double strike. This spell cannot be countered. At the beginning of your upkeep, return Draconix to the battlefield under its owners control.
{2}: Cast 2 cards from any graveyard.
{t}{2}: Destroy all permanents under each opponents control.
{t}: All opponents exile {x} cards from their library, where {x} is the total amount of cards in all graveyards.