Is Freyalise, Skyshroud Partisan legal in Standard, Modern, and Commander?

Freyalise, Skyshroud Partisan is legal in: Historic.

Freyalise, Skyshroud Partisan

Q: What type of card is Freyalise, Skyshroud Partisan?

Freyalise, Skyshroud Partisan is a Legendary Planeswalker — Freyalise. Its oracle text reads: "+1: Untap up to one target Elf. That Elf and a random Elf creature card in your hand perpetually get +1/+1. −1: Seek an Elf card. −6: Conjure a card named Regal Force onto the battlefield."