Historical Rules · 3 May 2019
Rule 602.4
Official source text from the 3 May 2019 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.
Historical Rules · 3 May 2019
Official source text from the 3 May 2019 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.