Historical Rules · 20 November 2020
Rule 702.36d
Official source text from the 20 November 2020 Rules release
You can’t normally cast a card face down. A morph ability allows you to do so.
Historical Rules · 20 November 2020
Official source text from the 20 November 2020 Rules release
You can’t normally cast a card face down. A morph ability allows you to do so.