Is Scarwood Hag legal in Standard, Modern, and Commander?

Scarwood Hag is legal in: Legacy, Vintage, Commander.

Scarwood Hag

Q: What type of card is Scarwood Hag?

Scarwood Hag is a Creature — Hag. Its oracle text reads: "{G}{G}{G}{G}, {T}: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.){T}: Target creature loses forestwalk until end of turn."

Creature — Hag

, : Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)<br>: Target creature loses forestwalk until end of turn.