Is Aggression legal in Standard, Modern, and Commander?

Aggression is legal in: Legacy, Vintage, Commander.

What type of card is Aggression?

Aggression is an Enchantment — Aura. Its oracle text reads: "Enchant non-Wall creatureEnchanted creature has first strike and trample.At the beginning of the end step of enchanted creature's controller, destroy that creature if it didn't attack this turn."

Aggression

Enchantment — Aura

Enchant non-Wall creature<br>Enchanted creature has first strike and trample.<br>At the beginning of the end step of enchanted creature's controller, destroy that creature if it didn't attack this turn.

Set Ice Age

Rarity Uncommon

Artist Rick Emond