Any of them could work, really.
Earth. It's just superior. No I'm not bias!
Water has three forms of matter for you to control and manipulate
Gas
Liquid
solid
https://powerlisting.fandom.com/wiki/Imaginary_Element_Manipulation
Periodic Element Manipulation. They cook with this
It's not the power, it's the user.
That said, I think https://powerlisting.fandom.com/wiki/Artificial_Element_Manipulation
It takes a genius to be fake to look real.
What do you think?