The phrase "a tactic called" is correct and usable in written English.
You can use it when introducing a specific strategy or method that has a designated name.
Example: "In negotiations, there is a tactic called 'anchoring' that can significantly influence the outcome."
Alternatives: "a strategy known as" or "a method referred to as".
Jardine decided to use a tactic called "leg theory".
It is a tactic called running up the score.
One of Henderson's chosen quotes from "The Starboard Sea" ("Using a parachute anchor as an underwater sail, Cal and I had practiced a tactic called heaving to.
It can be used to instantly win the point or force return errors, but increasingly, the serve is used to develop a tactic called Serve + 1.
Typically, the executives said, managers of business units set conservative goals -- a tactic called sandbagging -- because they know their compensation will be based on exceeding the goals.
The diaries include a sketch of dummy figures deployed by British troops in a tactic called "Chinese attacks" after deception techniques developed by Chinese military strategists.
One of Ghane's attorneys, Justin Johnston, said that he may try to get Ghane's conviction set aside with a legal tactic called a writ of error coram nobis, a kind of legal Hail Mary intended to convince the courts that new evidence proves an error was made in the trial.
The GAA developed and perfected a confrontational tactic called a zap, where they would catch a politician off guard during a public relations opportunity, and force him or her to acknowledge gay and lesbian rights.
Ads that hinge on a special date are an example of a marketing tactic called borrowed interest, in which advertisers try to involve themselves in big, topical events that the proverbial "everyone" is talking about.
In 2001, Republicans who controlled the White House and Congress could not get the 60 votes needed for permanent tax cuts, so they had to use a parliamentary tactic called "reconciliation" to beat a Democratic filibuster.
At the same time, two centrist Democrats who are up for re-election this year, Senators Blanche Lincoln of Arkansas and Evan Bayh of Indiana, said they would resist efforts to muscle through a health care bill using a parliamentary tactic called budget reconciliation, which seemed to be the easiest way to advance the measure.
