The phrase "ultimately affecting" is correct and can be used in written English.
It means something that has a long-term impact or influence. You can use it in a sentence like: "The continuous use of plastic is ultimately affecting the environment and causing harm to wildlife."
It's not that the odd, ultimately affecting, new play here in Briarcliff Manor is long.
This was a seismic event ultimately affecting all areas of biology and making possible much of modern biotechnology.
Another major piece of financing would cut Medicare subsidies for private insurers, ultimately affecting their executives and shareholders.
This would have the effect of foreclosing competitors, thereby eliminating competition in these markets, ultimately affecting adversely product quality, service and consumers' prices.
In September it said that the rapid growth in popularity of buy-to-let could amplify sudden price moves, ultimately affecting market stability.
He said one of the catalysts on Friday was related to expectations that China would act after its latest inflation report, ultimately affecting its appetite for commodities.
Much of the (very considerable) pleasure of this almost deliriously inventive, sharply imagined and ultimately affecting novel lies in the almost spookily vivid atmosphere and pathos that Atkinson manages to extract from all this Groundhog Day repetition.
This Treasury cash cow of a tax impacts on the engine room of our economy, the UK haulage industry, with their predominant business cost ultimately affecting the level of all consumer product prices.
But what makes his passion ultimately affecting, what moved the audience at the opera house to stand and shout its approval, is the work's combination of authenticity and modesty.
What home really means is at the heart of The Siege, a passionate, unashamedly partisan and ultimately affecting retelling of the story of the 2002 siege at the Church of the Nativity, considered one of the world's holiest places.
This can disrupt the prevailing ecological homeostasis, ultimately affecting the riverine health.
