Is War Mammoth legal in Standard, Modern, and Commander?

War Mammoth is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is War Mammoth?

War Mammoth is a Creature — Elephant. Its oracle text reads: "Trample"

Creature — Elephant

Trample

Set Limited Edition Alpha

Rarity Common

Artist Jeff A. Menges

Creature Trample Commander Pauper Legacy