Historical Rules · 25 August 2017
Rule 601.5
Official source text from the 25 August 2017 Rules release
Casting a spell that alters costs won’t affect spells and abilities that are already on the stack.
Historical Rules · 25 August 2017
Official source text from the 25 August 2017 Rules release
Casting a spell that alters costs won’t affect spells and abilities that are already on the stack.