Is Tale of Momo legal in Standard, Modern, and Commander?

Tale of Momo is legal in: Legacy, Vintage, Commander, Historic.

Tale of Momo

Q: What type of card is Tale of Momo?

Tale of Momo is a Sorcery. Its oracle text reads: "This spell costs {2} less to cast if a creature left the battlefield under your control this turn. Search your library and/or graveyard for an Ally creature card, reveal it, and put it into your hand. If you search your library this way, shuffle."