Northern Districts have added yet another Black Caps weapon to their over-flowing arsenal in all-rounder Colin de Grandhomme.

The 31-year-old is making the move from Auckland for the coming domestic cricket season, having purchased property in Tauranga.

He joins Neil Wagner in making the move to Northern Districts, with the former Otago pace man moving north for the same reason as de Grandhomme.

They join seven other contracted Black Caps players at the province. Former internationals such as Dean Brownlie, Daniel Flynn and Anton Devcich were contracted to Northern Districts for the 2017-18 season.

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"I have a lot of respect for Auckland Cricket and want to thank the team and the staff for everything they've done for me over the years," said de Grandhomme.

"It was a hard decision, but I'm looking forward to representing Northern Districts in a big season ahead."

De Grandhomme had played his domestic cricket for Auckland since 2007.

With de Grandhomme's addition to the Northern Districts squad, it could be argued they now boast the strongest first class or list A squad in world cricket.

The Cricket World Cup takes place in England in 2019, and if you entered the Northern Districts side at full strength, you wonder how far they could progress.

The side would feature 11 current or former Black Caps players, nine of which are currently contracted to New Zealand Cricket.

Kane Williamson would be the key to any batting efforts, as he already is with the national side.

Corey Anderson, Colin de Grandhomme and Mitchell Santner would be asked to stand tall in a fine middle order, but from there the tail is long.

Tim Southee would step in at number 8 in the one day side, ahead of Ish Sodhi and Neil Wagner.

With the ball, ND would go in boasting a lethal attack featuring New Zealand's top three test seamers and two of their finest spinners.

They would also have de Grandhomme and Anderson to call upon, with additional spin options in Anton Devcich and Williamson.

Devcich, a player with 12 one day internationals and four Twenty20 internationals under his name, would be one of just two players not contracted to NZC.

Tim Seifert would be the other, but he has international experience having played four Black Caps Twenty20 matches in February of this year.

There would be no place for the likes of Dean Brownlie and Scott Kuggeleijn in the starting side, although they would provide quality depth to the squad alongside the likes of Daniel Flynn, Daryl Mitchell and James Baker.

AT A GLANCE:

Northern Districts' potential one day XI:

BJ Watling (wk)

Tim Seifert*

Kane Williamson (c)

Corey Anderson

Anton Devcich*

Colin de Grandhomme

Mitchell Santner

Tim Southee

Ish Sodhi

Neil Wagner

Trent Boult

​*not a NZC contracted player