Is Cho-Arrim Alchemist legal in Standard, Modern, and Commander?

Cho-Arrim Alchemist is legal in: Legacy, Vintage, Commander.

Cho-Arrim Alchemist

Q: What type of card is Cho-Arrim Alchemist?

Cho-Arrim Alchemist is a Creature — Human Spellshaper. Its oracle text reads: "{1}{W}{W}, {T}, Discard a card: The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way. Power/Toughness: 1/1"

Creature — Human Spellshaper

, , Discard a card: The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.