Historical Rules · 23 August 2019
Rule 118.9b
Official source text from the 23 August 2019 Rules release
Alternative costs are generally optional. An effect that allows you to cast a spell may require a certain alternative cost to be paid.
Historical Rules · 23 August 2019
Official source text from the 23 August 2019 Rules release
Alternative costs are generally optional. An effect that allows you to cast a spell may require a certain alternative cost to be paid.