Historical Rules · 30 September 2011
Rule 707.1
Official source text from the 30 September 2011 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 · 30 September 2011
Official source text from the 30 September 2011 Rules release
Two cards (Illusionary Mask and Ixidron) and the morph ability (see rule 702.35) allow spells and permanents to be face down.