Is Agility legal in Standard, Modern, and Commander?

Agility is legal in: Legacy, Vintage, Commander, Pauper.

Agility

Q: What type of card is Agility?

Agility is an Enchantment — Aura. Its oracle text reads: "Enchant creatureEnchanted creature gets +1/+1 and has flanking. (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)"

Enchantment — Aura

Enchant creature<br>Enchanted creature gets +1/+1 and has flanking. (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Set Mirage

Rarity Common

Artist Drew Tucker