Historical Rules · 18 June 2021
Rule 702.37d
Official source text from the 18 June 2021 Rules release
You can’t normally cast a card face down. A morph ability allows you to do so.
Historical Rules · 18 June 2021
Official source text from the 18 June 2021 Rules release
You can’t normally cast a card face down. A morph ability allows you to do so.