Vokul, The sixth Titan

Indestructible, Trample, Lifelink, Hexproof
When you cast Vokul, The sixth Titan,
draw six cards and have your opponent(s) discard six cards or sacrifice six permanents.
When Vokul, The sixth Titan leaves the Battlefield exile the top six cards of target opponents library
you may cast those cards without paying there mana cost for as long as they remain exiled.
"and with his coming the world shook."