Even though Shredder cant end a players life total on his own, plenty of black cards love seeing the life-halving effect on Shredder
In Japanese Collector Boosters, these cards will always appear with Japanese text
Not only that, it can be discounted too, as if the card wasn't good enough already
Its not uncommon for an opponent to fold if they fail to answer Mother of Runes immediately, and in matches where this isnt the case, that can mean that the opponent just doesnt care about the creature axis of the game at all, which isnt a better scenario, merely a shifting of the bad feelings
Personally, I would just fill the deck with pieces like Ruin-Lurker Bat or Blind Hunter, just so I could have my Batty fun