Living Nightmare

+1: Living Nightmare turns into a clairvoyant. Look at the top 4 cards in your deck and put one in your hand and the rest in any order on the top.
+2: Living Nightmare turns into a powerful snake and gets +2/+2 for this turn.
+3: Living Nightmare makes a piercing shriek and all the opponent's creatures become tapped and unplayable this turn.