Historical Rules · 23 August 2019
Rule 602.4
Official source text from the 23 August 2019 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.
Historical Rules · 23 August 2019
Official source text from the 23 August 2019 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.