Is Watcher in the Web legal in Standard, Modern, and Commander?

Watcher in the Web is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper.

Watcher in the Web

Q: What type of card is Watcher in the Web?

Watcher in the Web is a Creature — Spider. Its oracle text reads: "Reach (This creature can block creatures with flying.) This creature can block an additional seven creatures each combat. *"Lost in the woods" is an optimistic way to describe a villager's disappearance. "Found in the woods" is frequently more appropriate.* Power/Toughness: 2/5"