Chaos Is My Plaything is a common Scheme card from Duskmourn: House of Horror Commander (DSC), collector number 329. Current market price: $0.21, TCGplayer market prices via Scryfall.
When you set this scheme in motion, for each opponent, exile target permanent that player controls. Then each player reveals cards from the top of their library until they reveal a permanent card, puts it onto the battlefield, and puts the rest on the bottom of their library in a random order.