Historical Rules · 7 February 2025
Rule 727.3d
Official source text from the 7 February 2025 Rules release
If multiple replacement effects could be applied to the event of a merged permanent leaving the battlefield or being put into the new zone, applying one of those replacement effects to the object applies it to all components of the object. If the merged permanent is a commander, it may be exempt from this rule; see rules 903.9b–c.