Is Riptide Replicator legal in Standard, Modern, and Commander?

Riptide Replicator is legal in: Legacy, Vintage, Commander.

Riptide Replicator

Q: What type of card is Riptide Replicator?

Riptide Replicator is an Artifact. Its oracle text reads: "As this artifact enters, choose a color and a creature type. This artifact enters with X charge counters on it. {4}, {T}: Create an X/X creature token of the chosen color and type, where X is the number of charge counters on this artifact."