Artist gets drunk, one making clever plans (10)
I believe the answer is:
strategist
'one making clever plans' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
'artist gets drunk' is the wordplay.
'drunk' is an anagram indicator.
'artist'+'gets'='artistgets'
'artistgets' is an anagram of 'STRATEGIST'.
Can you help me to learn more?
(Other definitions for strategist that I've seen before include "general" , "Expert on the art of planning war" , "Long-term planner" .)