Red Sun's Zenith — ruling 1

If this spell doesn’t resolve, none of its effects occur. In particular, it will go to the graveyard rather than to its owner’s library.

Red Sun's Zenith : règles, fonctionnement et interactions (MTG)

Red Sun's Zenith 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

Red Sun's Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun's Zenith into its owner's library.

How it works : Red Sun's Zenith

Original English text — Wizards of the Coast / Scryfall

#1June 1, 2011· Wizards of the Coast
If this spell doesn’t resolve, none of its effects occur. In particular, it will go to the graveyard rather than to its owner’s library.
No other card is named in this ruling.