Triple Vision trick - David RegalA Test Condition Impossibility! EFFECT: When the magician notices that he's missing a few cards from his blue backed deck, a few cards are randomly chosen by a spectator from a red backed deck and added to the blue deck. When the magician discovers the missing blue backed cards, they match the red backed cards chosen by the spectator! Different Cards Can Be Used Every Time The Effect Is Performed A Self Working Killer Effect from David's Magic Castle