Historical Rules · 23 August 2019
Rule 601.4a
Official source text from the 23 August 2019 Rules release
If there is more than one opponent who could make such a choice, the spell’s controller decides which of those opponents will make the choice.
Historical Rules · 23 August 2019
Official source text from the 23 August 2019 Rules release
If there is more than one opponent who could make such a choice, the spell’s controller decides which of those opponents will make the choice.