When you want to mention the use of something or employ it in a particular situation, you may say "call into play." However, this phrase can get repetitive, especially in writing. There are alternative options such as activate, utilize, deploy, involve, or harness. If you want to emphasize the importance or relevance of something, you can also use "bring into play" or "put into action." Additionally, terms like exercise, employ, or utilize may imply a deliberate and conscious decision to use something. Meanwhile, "deploy" and "activate" may imply urgency or necessity. Ultimately, there are several synonyms for "call into play" that you can choose from to add variety and enhance clarity in your writing.