come into play
To become a factor in a particular situation. Once personal insults come into play, it's very hard to resolve a situation calmly. My kids usually get cranky as bedtime approaches and tiredness comes into play.
come into play
to become an important factor in something; to go into force. All your hard practice and preparation will now come into play in the finals.
come into ˈplay
begin to operate or be active; have an effect or influence: It’s time for the first part of our plan to come into play.A lot of different factors came into play in making this decision.