네가 와서

you come and

→ 너
phrase Uncommon #9,086
you come and 네가 is a casual form of “you.” 와서 connects coming with the next action or gives a reason, depending on context.
KO: 네가 와서 도와줘.
EN: You come and help me.

네가 와서 물어!

You come ask me!

— 마더 (2009)