Leather Armor is a common Artifact — Equipment card from The List (PLST), collector number AFR-248. Current market price: $0.23, TCGplayer market prices via Scryfall.
Equipped creature gets +0/+1 and has ward {1}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) Equip {0}. Activate only once each turn.