Sword of Fire and Ice is a mythic Artifact — Equipment card from Double Masters (2XM), collector number 297. Current market price: $45.98 (foil $58.39), TCGplayer market prices via Scryfall.
Equipped creature gets +2/+2 and has protection from red and from blue. Whenever equipped creature deals combat damage to a player, this Equipment deals 2 damage to any target and you draw a card. Equip {2}