Historical Rules · 8 September 2022
Rule 400.7a
Official source text from the 8 September 2022 Rules release
Effects from spells, activated abilities, and triggered abilities that change the characteristics or controller of a permanent spell on the stack continue to apply to the permanent that spell becomes. Effects from static abilities that give a permanent spell on the stack an ability that allows it to be cast for an alternative cost continue to apply to the permanent that spell becomes.