To say an artwork is “magical” is a cliché of an industry that peddles both reverence and novelty. To think of art-making instead as sleight of hand means something else: Many Times is like one of the card tricks Muñoz relished, even as he explained how the illusion was done. In a weird, inverted way, it’s because it is somehow about its own arbitrariness that it ends up being meaningful to look at.