Priest played with elf (6)
I believe the answer is:
sprite
'elf' is the definition.
(I've seen this before)
'priest played' is the wordplay.
'played' indicates an anagram.
'priest' with letters rearranged gives 'SPRITE'.
'with' is the link.
(Other definitions for sprite that I've seen before include "sports car" , "Supernatural being" , "Naiad" , "Puck, say" , "water pixie" .)