King of Games

Morph - During an opponent's turn, point at
that player and yell: "You've activated my trap card!" (You may play a morph as a face down 2/2 for {3})
Each player's life total, and each creature's power and toughness are multiplied by 1000 until King of Games leaves the battlefield. if it does, divide all life totals and creatures' power and toughness by 1000