I guess with all things, depends on the financial position of the customer.
If you’re stretching yourself to get any phone, then yeah, diminishing returns for forking out $800+ for a flagship.
That being said I’ve owned multiple phones in each price category, and can say that the best phones are unfortunately among the most expensive.
My understanding of MTG rules is a bit rusty. Does “sacrifice” only apply to the player’s creatures in play? Or, could you target an opponent’s creature?