Is Cursed Firebreathing Yogurt legal in Standard, Modern, and Commander?

Cursed Firebreathing Yogurt is legal in: Commander.

Cursed Firebreathing Yogurt

Q: What type of card is Cursed Firebreathing Yogurt?

Cursed Firebreathing Yogurt is a Stickers. Its oracle text reads: "{TK}{TK} — Prowess, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn twice.) {TK}{TK}{TK}{TK}{TK} — {2}, {T}: This permanent deals 2 damage to any target. {TK}{TK} — 4/2 {TK}{TK}{TK}{TK} — 4/8"