Gitrog, Horror of Zhava

Menace
At the beginning of each combat, if Gitrog,
Horror of Zhava is untapped, any opponent may
sacrifice a creature. If they do, tap Gitrog, Horror
of Zhava, then search your library for a land
card, put it onto the battlefield tapped, then
shuffle.
Land you control gains "{g}{b}, {t}, Sacrifice this
land: Draw a card."