Historical Rules · 27 September 2013
Rule 707.1
Official source text from the 27 September 2013 Rules release
Two cards (Illusionary Mask and Ixidron) and the morph ability (see rule 702.36) allow spells and permanents to be face down.
Historical Rules · 27 September 2013
Official source text from the 27 September 2013 Rules release
Two cards (Illusionary Mask and Ixidron) and the morph ability (see rule 702.36) allow spells and permanents to be face down.