Is Thunderblade Charge legal in Standard, Modern, and Commander?

Thunderblade Charge is legal in: Modern, Legacy, Vintage, Commander.

Thunderblade Charge

Q: What type of card is Thunderblade Charge?

Thunderblade Charge is a Sorcery. Its oracle text reads: "Thunderblade Charge deals 3 damage to any target. Whenever one or more creatures you control deal combat damage to a player, if this card is in your graveyard, you may pay {2}{R}{R}{R}. If you do, you may cast it without paying its mana cost."

Sorcery

Thunderblade Charge deals 3 damage to any target.

Whenever one or more creatures you control deal combat damage to a player, if this card is in your graveyard, you may pay . If you do, you may cast it without paying its mana cost.