Yes, DRAFTS is a Scrabble word!

Letter values in Scrabble US: D 2, R 1, A 1, F 4, T 1, S 1.

Is it a valid word?

DRAFTS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a document ordering the payment of money; drawn by one person or bank on another
a current of air (usually coming into a chimney or room or vehicle)
a preliminary sketch of a design or picture
a serving of drink (usually alcoholic) drawn from a keg
any of the various versions in the development of a written work
the depth of a vessel's keel below the surface (especially when loaded)
a regulator for controlling the flow of air in a fireplace
a dose of liquid medicine
compulsory military service
a large and hurried swallow
the act of moving a load by drawing or pulling

Also: bill of exchange, order of payment, rough drawing, draft copy, selective service, muster in.