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

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

Red Scarab

Q: What type of card is Red Scarab?

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

Enchantment — Aura

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

Set Ice Age

Rarity Uncommon

Artist Sandra Everingham