Historical Rules · 17 April 2020
Rule 702.36d
Official source text from the 17 April 2020 Rules release
You can’t normally cast a card face down. A morph ability allows you to do so.
Historical Rules · 17 April 2020
Official source text from the 17 April 2020 Rules release
You can’t normally cast a card face down. A morph ability allows you to do so.