While you control another face-up "Elemental HERO" monster, your opponent cannot target this card for an attack, and this card can attack your opponent directly
So yeah, if someones playing Pikachu ex and only has two Pokmon on their bench, youll whack them for 120, enough to take out the Pikachu in one hit
and also make Fortune lady Light's effect a ted more abusable (like you could make a card that once on the Graveyard/Banished Pile you could Banish it/return to grave to return a Lady Light to the hand or something) oh and maybe make the Level increasing thing faster, there are a lot of ways you can go to support this archetype
44/111 Piloswine
Not only is playing your opponents cards powerful, but it can also be a lot of fun, and it can lead to some really fun stories
She's basically a more balanced Narset, Enlightened MasterNarset, Enlightened Master, which is fantastic for people like me who hesitate to play Narset at more casual tables