Caught in a Parallel Universe is a common Phenomenon card from Doctor Who (WHO), collector number 572. Current market price: $0.26, TCGplayer market prices via Scryfall.
When you encounter Caught in a Parallel Universe, each player chooses a creature controlled by the player to their left. Each player creates a token that's a copy of the creature they chose, except it has menace. (Then planeswalk away from this phenomenon.)