1 purchase = 1 option you selected
Option 1:
You have already registered shiny Elekid it's 20k stardust trade.
when you can trade let me know - ( note FC and coord)
Option 2:
a P T C have a Shiny Elekid wearing a Spark-themed accessory
You can use P T C build friendship with yourself
option 3:
a P T C have a Shiny Elekid wearing a Spark-themed accessory Still stacked in research (You can determine catch location)