Is Spiked Ripsaw legal in Standard, Modern, and Commander?

Spiked Ripsaw is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Spiked Ripsaw

Q: What type of card is Spiked Ripsaw?

Spiked Ripsaw is an Artifact — Equipment. Its oracle text reads: "Equipped creature gets +3/+3. Whenever equipped creature attacks, you may sacrifice a Forest. If you do, that creature gains trample until end of turn. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)"