Hour of Glory — ruling 1

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.

Hour of Glory — ruling 2

If the target creature is an illegal target by the time Hour of Glory resolves, the entire spell doesn’t resolve. No player reveals their hand or exiles cards from it.

Hour of Glory : règles, fonctionnement et interactions (MTG)

Hour of Glory is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Exile target creature. If that creature was a God, its controller reveals their hand and exiles all cards from it with the same name as that creature.

How it works : Hour of Glory

Original English text — Wizards of the Coast / Scryfall

#1January 19, 2018· Wizards of the Coast
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.
No other card is named in this ruling.
#2July 14, 2017· Wizards of the Coast
If the target creature is an illegal target by the time Hour of Glory resolves, the entire spell doesn’t resolve. No player reveals their hand or exiles cards from it.
No other card is named in this ruling.