Is Korozda Guildmage legal in Standard, Modern, and Commander?

Korozda Guildmage is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Korozda Guildmage

Q: What type of card is Korozda Guildmage?

Korozda Guildmage is a Creature — Elf Shaman. Its oracle text reads: "{1}{B}{G}: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.) {2}{B}{G}, Sacrifice a nontoken creature: Create X 1/1 green Saproling creature tokens, where X is the sacrificed creature's toughness."

Creature — Elf Shaman

: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)