Is Barkform Harvester legal in Standard, Modern, and Commander?

Barkform Harvester is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Barkform Harvester?

Barkform Harvester is an Artifact Creature — Shapeshifter. Its oracle text reads: "Changeling (This card is every creature type.) Reach {2}: Put target card from your graveyard on the bottom of your library. *The farmers hide when it runs out of potatoes to harvest.* Power/Toughness: 2/3"