FIRE : Inflict 500 damage to your opponent
Sure, it has to be on their turn, and it cant be a creature, but being able to counter a key noncreature threat while being tapped out can be such a massive swing, especially if your opponent doesnt play around it
Released in the Hidden Arsenal series, Ice Barrier was laughably inefficient at what it did, to the point of comedy, acting as a series of soft-locks that required multiple Ice Barrier monsters on the field, culminating in incredibly broken boss monsters that never saw play in their home strategy
Muse Seeker Artists Talent has proven itself
this card's name and original ATK become that monster's original name and current ATK, also replace this effect with that monster's original effects, then that monster's ATK becomes 0, also its effects are negated