Gandalf, White Rider — ruling 1

If Gandalf, White Rider's owner has three or fewer cards left in their library when the last ability resolves, you may have it become the bottom card of their library.

Gandalf, White Rider : règles, fonctionnement et interactions (MTG)

Gandalf, White Rider 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

Vigilance Whenever you cast a spell, creatures you control get +1/+0 until end of turn. Scry 1. When Gandalf dies, you may put it into its owner's library fifth from the top.

How it works : Gandalf, White Rider

Original English text — Wizards of the Coast / Scryfall

#1June 16, 2023· Wizards of the Coast
If Gandalf, White Rider's owner has three or fewer cards left in their library when the last ability resolves, you may have it become the bottom card of their library.
No other card is named in this ruling.