Historical Rules · 4 February 2011
Rule 602.4
Official source text from the 4 February 2011 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.
Historical Rules · 4 February 2011
Official source text from the 4 February 2011 Rules release
Activating an ability that alters costs won’t affect spells and abilities that are already on the stack.