Finch has an enviable Twenty20 record, averaging 38 overall and with over 1600 runs in 54 matches. He's also played a handful of games for Australia in both twenty20 and one day formats and comes off a Big Bash season where he posted his first ever T20 century and racked up 332 runs at an average of 66.4.
Aces coach Paul Strang is excited about having Finch in the mix for tomorrow.
"He's a class player and he's obviously been in really good form for the Renegades so he'll be a great addition to the team. We're looking forward to him continuing that form when he pulls on an Aces shirt."
Finch will be the Aces second overseas professional alongside Andre Adams with Englishman Phil Mustard having been released to take up a contract in the Bangladesh Premier League.
The Aces squad also sees one change from that which downed the Stags to make the semi-final, with Grafton batsman Dusan Hakaraia joining the 13 to replace Anaru Kitchen, who suffered a side strain during that game and is still injured.
The Firebirds are likely to have their own Australian firepower for the semi-final probably in the shape of Shaun Tait and Cameron Borgas, however Strang is making sure that his side is concentrating on their own game ahead of tomorrow's match.
"They're obviously quality players that they're bringing across but we won't be focusing on them. We've very much got the approach that if we get our own game right and nail all the details then we'll build the pressure that will win us games - and that's what we'll try and do tomorrow."
The 13 from which a team will be named for tomorrow's game starting at 4.30pm is as follows:
Gareth Hopkins (Captain) (Parnell)
Andre Adams (Overseas professional)
Dusan Hakaraia (Grafton)
Michael Bates (Suburbs New Lynn)
Craig Cachopa (Takapuna)
Colin de Grandhomme (Howick Pakuranga)
Aaron Finch (Overseas professional)
Donovan Grobbelaar (Howick Pakuranga)
Dean Bartlett (Ellerslie)
Matt Quinn (Cornwall)
Bhupinder Singh (Papatoetoe)
Lou Vincent (Takapuna)
Reece Young (Suburbs New Lynn)
Strike rate: 130.70
High Score: 111*
Big Bash 2012/13
Strike rate: 125.75
High Score: 111*
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