The phrase "a far more drastic" is correct and usable in written English.
It can be used when comparing the severity or intensity of something to indicate that it is significantly greater than another.
Example: "The new policy will lead to a far more drastic change in the company's operations than we initially anticipated."
Alternatives: "a significantly more severe" or "a considerably more extreme".
Female circumcision she said, was a far more drastic act.
The pictures are horrific but give a far more drastic and violent impression of what took place.
Which is why so many people have begun to embrace a far more drastic commitment device, one that Han Xin himself would probably applaud: surgery.
But the standoff between the United States and the Taliban could have a far more drastic influence than any assassination or bombing in the past.
It could either freeze the benefits at their current level, or terminate one or more plans outright -- a far more drastic step that would require approval by the bankruptcy court.
Saatchi himself acknowledged the public revulsion, first in his statement – "the pictures are horrific but give a far more drastic and violent impression of what took place" – and later by accepting a police caution.
However, there is a real possibility of far more drastic changes if the leading Super League clubs decide to revert to a 12-team competition, which would have the advantages of reducing the length of the season and increasing each team's share of the new television contracts.
Other analysts said investors were too quick to draw a parallel to Hyundai and the far more drastic financial woes that toppled the Daewoo Group last year.
While some airlines have been able to move on from tragedy and regain customers' trust with little more than a fresh coat of paint, others have had to take far more drastic action.
Also, antisites are reported to have a strong effect on the phonon-limited mobility of electrons, far more drastic than VS or VS2.
But a handful of experts say that the shift needs to be far more drastic - that men's high suicide rate suggests that the health profession is ignoring an epidemic of unrecognized depression.
