Jeetan Patel's selection in the expanded 15-man New Zealand squad for the fourth one-day international against South Africa is a means of countering the three left-handers in the visitors' top six, but also forms part of a wider Champions Trophy plan.
The 36-year-old off spinner's brief, if picked, will be to turn the ball away from Quinton de Kock, Jean-Paul Duminy and David Miller on helpful Seddon Park clay if the opening ODI on February 19 was a gauge.
However, familiarity with the Black Caps environment is important. Patel's English county experience could be a factor when New Zealand play what is effectively the International Cricket Council's biennial mini-World Cup in June.
They play their opening Champions Trophy pool game against Australia at Edgbaston, Patel's home ground for seven seasons with Warwickshire. A semifinal could also be played there, as well as matches at Cardiff's Sophia Gardens and a possible final at The Oval in London.
Patel last joined the Black Caps for their ODI against Bangladesh on New Year's Eve in Nelson, taking one for 40.