Eye of Ugin is a mythic Legendary Land card from Special Guests (SPG), collector number 159. Current market price: $30.48 (foil $49.63), TCGplayer market prices via Scryfall.
Colorless Eldrazi spells you cast cost {2} less to cast. {7}, {T}: Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.