Luxior and Shadowspear is a rare Legendary Artifact — Equipment card from Unknown Event (UNK), collector number RA03b. Current market price: $5.00, TCGplayer market prices via Scryfall.
Equipped creature gets +1/+1 for each counter on it, and has trample and lifelink. {1}: Permanents your opponents control lose hexproof and indestructible until end of turn. Equipped permanent isn't a planeswalker and is a creature in addition to its other types. Equip creature or planeswalker {3}