Blanket of Night | Magic: The Gathering
Formats Blanket of Night is Legal in
Official Oracle Text for Blanket of Night
—Asmira, Holy Avenger
Official Rulings for Blanket of Night
10/4/2004 : Whether the land is a basic land or not is unchanged by this effect.
10/4/2004 : More than one Blanket of Night has no meaningful additional effect.
10/4/2004 : Anything which counts the number of Swamps on the battlefield will not double count an actual Swamp card while Blanket of Night is on the battlefield.
10/4/2004 : It can affect lands which do not produce mana.
10/4/2004 : The lands do not get the name "Swamp" in addition to their current name. This is a reversal of older rulings.
10/4/2004 : The ability is a land type change effect so it is ordered along with other land type change effects in the order they entered the battlefield.
10/15/2006 : If this effect is applied to a snow land, the land is now a snow Swamp and not just a regular Swamp.