*watching+*right+*structure
/* fixit - once "type" accepts card defs:
{"or":
{"and": {"plus": ["*watcher", {"refer_to": "_left"} ], "not": {"type": "Cardtype"} } }
{"type": {"plus": ["*watcher", {"refer_to": "_left"} ], "type": "Cardtype"} }
}
*/
{"plus": ["*watcher", {"refer_to": "_left"} ], "view": "change" }