Spin into Myth — ruling 1

The opponent chosen for the fateseal action doesn’t have to be the player who controlled the target creature.

Spin into Myth : règles, fonctionnement et interactions (MTG)

Spin into Myth 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

Put target creature on top of its owner's library, then fateseal 2. (To fateseal 2, look at the top two cards of an opponent's library, then put any number of them on the bottom of that player's library and the rest on top in any order.)

How it works : Spin into Myth

Original English text — Wizards of the Coast / Scryfall

#1May 1, 2007· Wizards of the Coast
The opponent chosen for the fateseal action doesn’t have to be the player who controlled the target creature.
No other card is named in this ruling.