Is Kithkin Shielddare legal in Standard, Modern, and Commander?

Kithkin Shielddare is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Kithkin Shielddare

Q: What type of card is Kithkin Shielddare?

Kithkin Shielddare is a Creature — Kithkin Soldier. Its oracle text reads: "{W}, {T}: Target blocking creature gets +2/+2 until end of turn. *The nova glyph is a potent symbol. A shield embossed with it can resist the force of even the most determined giant.* Power/Toughness: 1/1"