Is Tajuru Archer legal in Standard, Modern, and Commander?

Tajuru Archer is legal in: Modern, Legacy, Vintage, Commander.

Tajuru Archer

Q: What type of card is Tajuru Archer?

Tajuru Archer is a Creature — Elf Archer Ally. Its oracle text reads: "Whenever this creature or another Ally you control enters, you may have this creature deal damage to target creature with flying equal to the number of Allies you control."

Creature — Elf Archer Ally

Whenever this creature or another Ally you control enters, you may have this creature deal damage to target creature with flying equal to the number of Allies you control.

Set Duel Decks: Zendikar vs. Eldrazi

Rarity Uncommon

Mana Value 3

Artist Chris Rahn

Collector # 23

Scryfall Gatherer