When you can support it sensibly it is great, it digs relatively deep for a quite low cost and most importantly is instant making it viable in control
It essentially puts a gun against your opponent's head and makes them decide between taking damage equal to the mana cost of three cards you mill, or letting you just draw those three instead
Assassins aren't a very commonly played creature type, so outside of someone else playing an Assassin-based deck, Raise the Palisade will get rid of most creatures
This Song card from Peter Pan flies into the market with a value of $225.19 USD and doesn't plan to get old any time soon
But even for cases like storm where a mechanic is widely agreed to be unhealthy, its not that difficult to create new cards which use that same mechanic in healthy ways
She's thankfully found a home in Amber/Steel Songs Midrange where she becomes part of a removal package being able to also sing Let the Storm Rage On and Strength of a Raging Fire while also netting free lore through Sleepy's Flute