With the Hekma breached and its protection removed, the deserts swept in.

Hour of Promise

Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens.

Modern Horizons 3 Commander

Outlaws of Thunder Junction Commander

Amonkhet Remastered

Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle your library. Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens.

Hour of Devastation

Hour of Devastation Promos

When Hour of Promise checks the number of Deserts you control, it includes any Deserts you found earlier with Hour of Promise.

There are many important moments in the story, but the most crucial—called "story spotlights"—are shown on cards. These cards have the Planeswalker symbol in their text box; this symbol has no effect on gameplay. You can read more about these events in the official Magic fiction at http://www.mtgstory.com.