Change of Fortune [Innistrad: Double Feature]

Delirium When Prophetic Titan enters the battlefield, choose one. If there are four or more card types among cards in your graveyard, choose both instead.
Prophetic Titan deals 4 damage to any target.
Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order. “We cannot escape change, but with faith and fortitude, we can mold it to our liking.” Marel, Dawnhart witch