Is Sloppity Bilepiper legal in Standard, Modern, and Commander?

Sloppity Bilepiper is legal in: Legacy, Vintage, Commander.

Sloppity Bilepiper

Q: What type of card is Sloppity Bilepiper?

Sloppity Bilepiper is a Creature — Demon. Its oracle text reads: "Jolly Gutpipes — {2}, {T}, Sacrifice a creature: The next creature spell you cast this turn has cascade. (When you next cast a creature spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)"

Creature — Demon

Jolly Gutpipes — , , Sacrifice a creature: The next creature spell you cast this turn has cascade. (When you next cast a creature spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)