Traveler's Cloak is a common Enchantment — Aura card from Invasion (INV), collector number 83. Current market price: $0.17 (foil $4.77), TCGplayer market prices via Scryfall.
Enchant creature As this Aura enters, choose a land type. When this Aura enters, draw a card. Enchanted creature has landwalk of the chosen type. (It can't be blocked as long as defending player controls a land of that type.)