In the English Vocabulary Profile, come in useful|handy are C2.
A search in iWeb corpus for:
COME IN _JJ .
1 COME IN HANDY. 9001
2 COMES IN HANDY. 4142
Huh, comes in handy on the cash register.
3 CAME IN HANDY. 660
4 COME IN USEFUL. 257
All these moves will come in useful in real life when she grows up.
5 COMES IN BLACK. 116 This structure is probably C2.
Collins Dictionary:
If a type of thing comes in a particular range of colours, forms, styles, or sizes, it can have any of those colours, forms, styles, or sizes.
6 COMES IN USEFUL . 76
7 COME IN BLACK . 67
8 COMING IN LATE . 61
9 COME IN LATE . 55
10 COMING IN HANDY . 54
11 COMES IN WHITE . 44
12 CAME IN LATE . 41
13 COMING IN HOT . 40
14 COMING IN DAILY . 39
15 COME IN EARLY . 35
16 COME IN WHITE . 27
17 COMING IN EARLY . 27
18 CAME IN BLACK . 25
19 COMES IN LATE . 21
20 CAME IN USEFUL . 20