Kabira Evangel — ruling 1

You choose a color (or choose not to) as the triggered ability resolves. Once the color is chosen, it’s too late for players to respond.

Kabira Evangel : règles, fonctionnement et interactions (MTG)

Kabira Evangel 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 or another Ally you control enters, you may choose a color. If you do, Allies you control gain protection from the chosen color until end of turn.

How it works : Kabira Evangel

Original English text — Wizards of the Coast / Scryfall

#1October 1, 2009· Wizards of the Coast
You choose a color (or choose not to) as the triggered ability resolves. Once the color is chosen, it’s too late for players to respond.
No other card is named in this ruling.