Is Cabal Executioner legal in Standard, Modern, and Commander?

Cabal Executioner is legal in: Legacy, Vintage, Commander.

Cabal Executioner

Q: What type of card is Cabal Executioner?

Cabal Executioner is a Creature — Human Cleric. Its oracle text reads: "Whenever this creature deals combat damage to a player, that player sacrifices a creature of their choice. Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)"