As mentioned previously, not every Rare or Mythic Rare has a security stamp, so looking at the color of the set symbol is a better indication of whether a card is rare or not at least with recent product
I almost shouldnt need to explain why thats absurdly powerful, but let me give you an example
Its a good rat and a good rogue, especially if you care about dealing combat damage or about the saboteur triggers
With Abyss Proxy Shop, you can play with Yuriko, the Tigers Shadow and every legendary Commander staple you need all without spending a fortune
Id honestly say that at the end of the day theyre pretty equal since they can appeal to different players who are invested at different levels of detail for their custom sets, but that just means everybodys going to have a favorite
What affects the value of Aether Spike