come 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.
See also: come, play

come into play

to be involved Oh, I'm sure personalities always come into play in situations like this.
See also: come, play
References in classic literature ?
Sprengel's idea that the ray-florets serve to attract insects, whose agency is highly advantageous in the fertilisation of plants of these two orders, is so far-fetched, as it may at first appear: and if it be advantageous, natural selection may have come into play.
A number of factors come into play when assessing whether cogeneration makes sense for a particular commercial facility.
Trees are few and far between and seldom come into play at Victoria Lakes, with most of them flanking the par-5 second hole that forms the current northern, rural boundary of a course bordered south by housing.