Is Thunderclap Drake legal in Standard, Modern, and Commander?

Thunderclap Drake is legal in: Legacy, Vintage, Commander.

Thunderclap Drake

Q: What type of card is Thunderclap Drake?

Thunderclap Drake is a Creature — Drake. Its oracle text reads: "Flying Instant and sorcery spells you cast cost {1} less to cast. {2}{U}, Sacrifice this creature: When you next cast an instant or sorcery spell this turn, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies."

Creature — Drake

Flying

Instant and sorcery spells you cast cost less to cast.

, Sacrifice this creature: When you next cast an instant or sorcery spell this turn, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies.