Personally I think it adds complexity needlessly, above ad beyond the complexity added by having wards need to penetrate in general, which at least has reasons both in terms of RAW and play (it slows power escalation by demanding penetration)
Personally I think it adds complexity needlessly, above ad beyond the complexity added by having wards need to penetrate in general, which at least has reasons both in terms of RAW and play (it slows power escalation by demanding penetration)