Well, after the Lin Sivvi debacle, Wizards changed the legend rule and made it so that if two copies of a legend were on the battlefield at the same time, they would both immediately go to the graveyard
"Skill Drain" and "Mind Drain" can be used against any "Fabled"s with effects that respectively activate on the field or in the hand (i.e "Grimro" and "Nozoochee" in the Hand.) "Goblin of Greed" can also impede "Fabled"s because it will restrict them from being discarded as a cost, hence making it more laborious to use them.
Obviously, Buster Sword definitely has potential for shenanigans and value within any Equipment-based deck
Each card is more than just a game piece, but a story to discover and collect
CARTES LISTE DES CARTES DECK POUR DBUTANT -ROUGE Monkey D
Even if it's limited to normal monsters, the reality of this card is only bleak because the change room of the devil is much faster