Arrogant Poet — ruling 1

You choose whether or not to pay 2 life as the ability resolves. Once you make that choice, no one can respond before Arrogant Poet gains flying.

Arrogant Poet : règles, fonctionnement et interactions (MTG)

Arrogant Poet 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

Whenever this creature attacks, you may pay 2 life. If you do, it gains flying until end of turn.

How it works : Arrogant Poet

Original English text — Wizards of the Coast / Scryfall

#1April 16, 2021· Wizards of the Coast
You choose whether or not to pay 2 life as the ability resolves. Once you make that choice, no one can respond before Arrogant Poet gains flying.
No other card is named in this ruling.