Rampaging War Mammoth is a rare Creature — Elephant card from Tales of Middle-earth Commander (LTC), collector number 436. Current market price: $1.52 (foil $1.57), TCGplayer market prices via Scryfall.
Trample Cycling {X}{2}{R} ({X}{2}{R}, Discard this card: Draw a card.) When you cycle this card, destroy up to X target artifacts.