Historical Rules · 24 January 2020
Rule 602.4
Official source text from the 24 January 2020 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.
Historical Rules · 24 January 2020
Official source text from the 24 January 2020 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.