Is Monstrous Emergence legal in Standard, Modern, and Commander?

Monstrous Emergence is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Monstrous Emergence

Q: What type of card is Monstrous Emergence?

Monstrous Emergence is a Sorcery. Its oracle text reads: "As an additional cost to cast this spell, choose a creature you control or reveal a creature card from your hand. Monstrous Emergence deals damage equal to the power of the creature you chose or the card you revealed to target creature."