Its obviously not the kind of card you play for the long game (although splice onto arcane does give it some surprising value potential), and the legendary only targeting rules push you even further towards narrow, focused deck building
Yes, blinking a creature saves it from removal
The main Fortune Lady monsters have a variety of useful effects, from the powerful draw engine that is Fortune Lady Water to Fortune Lady Darks ability to quickly overcome to opponent with numbers
If a creature has multiple instances of toxic, lets say toxic 1 and toxic 2, and it deals combat damage to a player, they get a total of 3 poison counters because of the two toxic abilities
It allows for more strategic levels of play, and can easily win you the duel
(Don't apply Weakness and Resistance for Benched Pokemon.) Once during your turn (before your attack), if this Pokemon has any basic Fire Energy attached to it, you may heal 50 damage from it