ザヴァの恐(きょう)怖(ふ)、ギトラグ

Menace

At the beginning of each combat, if Gitrog, Horror of Zhava is untapped, any opponent may sacrifice a nontoken creature. If they do, tap Gitrog, Horror of Zhava, then seek a land card and put it onto the battlefield tapped.

Whenever a land enters under your control, it perpetually gains ", , Sacrifice this land: Draw a card."