Guardian of Tazeem is a rare Creature — Sphinx card from Battle for Zendikar (BFZ), collector number 78. Current market price: $0.28 (foil $0.69), TCGplayer market prices via Scryfall.
Flying Landfall — Whenever a land you control enters, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step.