Not Effective : Your moves will have little effect on your target
Clear monsters on the other hand let you bypass all the detrimental effects leaving the opponent to suffer all the negative effects
Nowadays there are a number of them retailing in the $20s, and Tectonic Edge can be purchased for even less
It's an effect similar to adjusting Scapegoat, and while it's number has been reduced and it can no longer be used as a Synchro Material, it can protect other monsters as well
The former are typically made when players dont own a card thats not feasible to get, like Black Lotus or any Power 9 card for that matter or for more authentic playtesting
Ive played a bit with the Abbot and have never had him feel bad, mediocre at worst and pretty good at best, meaning that its average is in a pretty tight and consistent range that is good for a Constructed card