Historical Rules · 23 April 2010
Rule 707.1
Official source text from the 23 April 2010 Rules release
Two cards (Illusionary Mask and Ixidron) and the morph ability (see rule 702.34) allow spells and permanents to be face down.
Historical Rules · 23 April 2010
Official source text from the 23 April 2010 Rules release
Two cards (Illusionary Mask and Ixidron) and the morph ability (see rule 702.34) allow spells and permanents to be face down.