Is Shaun, Father of Synths legal in Standard, Modern, and Commander?

Shaun, Father of Synths is legal in: Legacy, Vintage, Commander.

Shaun, Father of Synths

Q: What type of card is Shaun, Father of Synths?

Shaun, Father of Synths is a Legendary Creature — Human Scientist. Its oracle text reads: "Whenever you attack, you may create a tapped and attacking token that's a copy of target attacking legendary creature you control other than Shaun, except it's not legendary and it's a Synth artifact creature in addition to its other types. When Shaun leaves the battlefield, exile all Synth tokens you control. Power/Toughness: 3/4"

Legendary Creature — Human Scientist

Whenever you attack, you may create a tapped and attacking token that's a copy of target attacking legendary creature you control other than Shaun, except it's not legendary and it's a Synth artifact creature in addition to its other types.

When Shaun leaves the battlefield, exile all Synth tokens you control.

Power/Toughness: 3/4

Set Fallout

Rarity Rare

Mana Value 5

Artist Zuzanna Wużyk

Collector # 119

Scryfall