Every distinct wording since 2010, newest first.
June 6, 2025 · Final Fantasy
A player may open an Attraction only during a game in which that player is playing with an Attraction deck (see rule 717, “Attraction Cards”).
April 14, 2023 · March of the Machine
To incubate N, create an Incubator token that enters the battlefield with N +1/+1 counters on it. See rule 111.10i.