A radical change could be on the cards for the Green Party just days before the election.
The change could see the Greens position themselves as the stronger of the two opposition parties.
It comes as a ONE News/Colmar Brunton poll has Labour at an all-time low of 25% and the Green Party at an all-time high at 14%.
The Greens are capable of working with, if not supporting, of National.
"We've done that with National in the past with the insulation scheme and the national cycle trail, and if there was an opportunity to do that again, and if they were the government, then we'd consider that," says Greens co-leader Russell Norman.
The latest ONE News/Colmar Brunton poll reveals John Key could form a Government using his previous support parties - but only just.
National would have 58 seats and, with support partners ACT and United Future, would get to 60. Throw in the Maori Party's projected two seats and centre-right could get a majority of one in the 122-seat Parliament.
The centre-left block of Labour and the Greens could also form a Government but only if they woo Winston Peters and get support from both the Maori Party and Internet-Mana.
Mr Key says he could work with the Greens.
"In the end this is MMP we will go and have a look but realistically we've worked with the Greens in the past and on a case by case basis, we may well do in the future," says Mr Key.
The poll has also revealed Conservative Party leader Colin Craig, at 4%, has a real shot of taking the kingmaker crown off Winston Peters.