Terrifying Presence — ruling 1

Although Terrifying Presence doesn’t affect the target creature, if that creature is an illegal target when Terrifying Presence tries to resolve, it won’t resolve and none of its effects will happen. No damage will be prevented.

Terrifying Presence : règles, fonctionnement et interactions (MTG)

Terrifying Presence 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

Prevent all combat damage that would be dealt by creatures other than target creature this turn.

How it works : Terrifying Presence

Original English text — Wizards of the Coast / Scryfall

#1May 1, 2012· Wizards of the Coast
Although Terrifying Presence doesn’t affect the target creature, if that creature is an illegal target when Terrifying Presence tries to resolve, it won’t resolve and none of its effects will happen. No damage will be prevented.
No other card is named in this ruling.