Is Skeleton Crew legal in Standard, Modern, and Commander?

Skeleton Crew is legal in: Legacy, Vintage, Commander.

Skeleton Crew

Q: What type of card is Skeleton Crew?

Skeleton Crew is a Creature — Skeleton Pirate. Its oracle text reads: "Each other creature you control that's a Skeleton or Pirate gets +1/+1. Whenever one or more creature cards leave your graveyard, create a 2/2 black Skeleton Pirate creature token. (This ability triggers only from the battlefield.) {5}{B}: Return this card from your graveyard to the battlefield tapped. Power/Toughness: 3/3"

Creature — Skeleton Pirate

Each other creature you control that's a Skeleton or Pirate gets +1/+1.

Whenever one or more creature cards leave your graveyard, create a 2/2 black Skeleton Pirate creature token. (This ability triggers only from the battlefield.)

: Return this card from your graveyard to the battlefield tapped.