Osgood, Operation Double

The two-Osgoods gag from the source material becomes a body-doubling trigger, but the flavor invites a false read worth heading off. When you cast this spell, you create a token copy that enters the battlefield directly; it is never a spell, never goes on the stack, and never gets cast. That distinction matters, because it means the copy does not satisfy Osgood's own Paradox condition. Paradox fires only when you cast a spell from a zone outside your hand, and a token created rather than cast fails that test cleanly. So the two halves lean the same direction without feeding each other. The Paradox clause rewards flashback, adventures, foretell, and other cast-from-exile effects with a Clue; the mana ability produces colorless mana leashed to artifacts and their activated abilities, so it accelerates only toward more Clues, more equipment, more of the artifact axis the card already spins. That leash is the honest constraint: the mana cannot empty the rest of your hand, only push the artifact engine. As a keyword, Paradox consolidates a class of older payoffs that cared about where a spell originated, folding graveyard casts, exile casts, and alternative-zone tricks into one trigger condition. Osgood asks you to supply that condition yourself; the self-copy is a second body, not the engine's fuel.