Is Akrasan Squire legal in Standard, Modern, and Commander?

Akrasan Squire is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Akrasan Squire

Q: What type of card is Akrasan Squire?

Akrasan Squire is a Creature — Human Soldier. Its oracle text reads: "Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) *Bant's armies are primarily composed of members of the Mortar caste, loyal commoners who haven't yet earned a sigil.* Power/Toughness: 1/1"