Historical Rules · 1 May 2012
Rule 707.1
Official source text from the 1 May 2012 Rules release
Two cards (Illusionary Mask and Ixidron) and the morph ability (see rule 702.35) allow spells and permanents to be face down.
Historical Rules · 1 May 2012
Official source text from the 1 May 2012 Rules release
Two cards (Illusionary Mask and Ixidron) and the morph ability (see rule 702.35) allow spells and permanents to be face down.