Historical Rules · 25 January 2019
Rule 601.5
Official source text from the 25 January 2019 Rules release
Casting a spell that alters costs won't affect spells and abilities that are already on the stack.
Historical Rules · 25 January 2019
Official source text from the 25 January 2019 Rules release
Casting a spell that alters costs won't affect spells and abilities that are already on the stack.