I've had a lot of success with only 2 Zu. He comes off just as your opponent plays a nasty SS. His SS is handy for a sea serp file. Even 3 lions aren't that great.
Rivera seem like a good single?
All the souls are good, but aren't that unique.
"The day is becoming disarming searching for harmony. You wanna be balling me but you never get nowhere 'cause I'm killing your whole philosophy"