threefold death+*mates+*children 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 threefold death+*mates+*children+*children Cards formed by "mating" threefold death+*mates+*children with another card. eg: "threefold death+*mates+*children+mate".