Historical Rules · 20 November 2020
Rule 602.4
Official source text from the 20 November 2020 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.
Historical Rules · 20 November 2020
Official source text from the 20 November 2020 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.