Is Green Scarab legal in Standard, Modern, and Commander?

Green Scarab is legal in: Legacy, Vintage, Commander.

Green Scarab

Q: What type of card is Green Scarab?

Green Scarab is an Enchantment — Aura. Its oracle text reads: "Enchant creatureEnchanted creature can't be blocked by green creatures.Enchanted creature gets +2/+2 as long as an opponent controls a green permanent."

Enchantment — Aura

Enchant creature<br>Enchanted creature can't be blocked by green creatures.<br>Enchanted creature gets +2/+2 as long as an opponent controls a green permanent.

Set Ice Age

Rarity Uncommon

Artist Nicola Leonard