Because Aurora Shifter isn't entering the battlefield when it becomes a copy of another creature, any "When [this creature] enters the battlefield" or "[This creature] enters the battlefield with" abilities of the copied creature won't apply
The cards can be very powerful, but in specific circumstanceswhich is exactly the kind of development thats healthy for the format
However, Naban, Dean of Iteration might change this equation
Mind Funeral is especially effective in Extended with fetch-lands thinning the number of lands in most decks, and some decks simply playing 20 or less land
Having been printed in Modern Horizons, the Temur Footfalls deck is essentially based around casting one of the three-drop cascade spells to find the zero-mana suspend spell, which circumnavigates the suspend ability and leaves you with two 4/4 rhinos immediately
Technically, while the 2024 printing of Cyclonic Rift does deserve its spot on this list, you can get it for cheaper