Is Excavation Technique legal in Standard, Modern, and Commander?

Excavation Technique is legal in: Legacy, Vintage, Commander.

Excavation Technique

Q: What type of card is Excavation Technique?

Excavation Technique is a Sorcery. Its oracle text reads: "Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Destroy target nonland permanent. Its controller creates two Treasure tokens."

Sorcery

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)

Destroy target nonland permanent. Its controller creates two Treasure tokens.

Set Commander 2021

Rarity Rare

Mana Value 4

Artist Francisco Miyara

Collector # 16

Scryfall Gatherer