Historical Rules · 8 June 2018
Rule 601.5
Official source text from the 8 June 2018 Rules release
Casting a spell that alters costs won’t affect spells and abilities that are already on the stack.
Historical Rules · 8 June 2018
Official source text from the 8 June 2018 Rules release
Casting a spell that alters costs won’t affect spells and abilities that are already on the stack.