Is Moat legal in Standard, Modern, and Commander?

Moat is legal in: Legacy, Vintage, Commander.

What type of card is Moat?

Moat is an Enchantment. Its oracle text reads: "Creatures without flying can't attack."

Enchantment

Creatures without flying can't attack.

Set Legends

Rarity Rare

Artist Jeff A. Menges

Enchantment Flying Commander Legacy Vintage