2 bugged cards of Madolche

YGO Omega Bugs
2

  1. I was able to target Madolche Chateau with Madolche Cruffsant and return it to my hand. There is no issue. There must be other cards or effects involved if you were not able to activate this effect in your duel.

  2. There is a specific ruling that states you cannot activate Tiaramisu when the opponent has no cards:
    Card Database