Cards formed by "mating" Oscar Oliveros+*referred to by+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*mates with another card. eg: "Oscar Oliveros+*referred to by+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*self+*mates+mate".