if an attack gives it another Burn marker, the new Burned Condition simply replaces the old one
Its extremely rare that we make an error or typo in a card
So as far as strategy goes you would definitely want to use this card in a deck with plenty of SP Pokemon in it so you can actually utilize both of its moves
The animal classes playing into village tropes, the seasons making use of paw prints, the various animal-centric abilities (forage, valiant, and expend) all reinforced the set's core theme, animals, in a way that made players quite happy
Since this equipping is also a Quick Effect, theres a good chance your opponent wont see it coming, making for a great surprise OTK and watching the wave of realization wash over their face