Legendary Creature — Human Clown Artificer
Pietra, Crafter of Clowns
Haste Robots you control get +1/+1. {R}{W}, {T}, Tell a joke you haven't told this game to someone outside the game: Create a 1/1 white Clown Robot artifact creature token. If that person laughed, the token gains haste until end of turn.
From Magic: The Gathering.
Exact printings
Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ogsilc1fdpb1hfy2pw185.