Is Micromancer legal in Standard, Modern, and Commander?

Micromancer is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Micromancer

Q: What type of card is Micromancer?

Micromancer is a Creature — Human Wizard. Its oracle text reads: "When this creature enters, you may search your library for an instant or sorcery card with mana value 1, reveal it, put it into your hand, then shuffle."

Creature — Human Wizard

When this creature enters, you may search your library for an instant or sorcery card with mana value 1, reveal it, put it into your hand, then shuffle.

Set Foundations

Rarity Uncommon

Mana Value 4

Artist Ernanda Souza

Collector # 158

Scryfall Gatherer