Eye of Ugin is a mythic Legendary Land card from Worldwake (WWK), collector number 136. Current market price: $53.55 (foil $105.49), 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.