Eye of Nidhogg is a rare Legendary Enchantment — Aura card from Final Fantasy Commander (FIC), collector number 115. Current market price: $3.05 (foil $3.91), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature is a black Dragon with base power and toughness 4/2, has flying and deathtouch, and is goaded. (It attacks each combat if able and attacks a player other than you if able.) When Eye of Nidhogg is put into a graveyard from the battlefield, return it to its owner's hand.