2x12 Master Plan+Soundtrack+*referred to by Search Toggle navigation activity Toggle Dropdown history discuss follow editors rules Toggle Dropdown common by group by name recent edit Toggle Dropdown content name type refresh children mates references out references in +*children Cards formed by "mating" 2x12 Master Plan+Soundtrack+*referred to by with another card. eg: "2x12 Master Plan+Soundtrack+*referred to by+mate".