Teenage allrounder Georgia Voll would also make her debut for the Heat if chosen in the starting team.
After winning their opening match of the tournament, the Heat have had two games abandoned and lost a rain-affected encounter with the Sydney Thunder on Sunday on the DLS method.
Brisbane Heat v Sydney Sixers
Tomorrow, 6.05pm Qld time
Blacktown International Sportspark
Live Coverage: Foxtel, Kayo, Cricket.com.au
21. Jess Jonassen (c)
5. Maddy Green
44. Nicola Hancock
17. Grace Harris
48. Amelia Kerr
32. Nadine de Klerk
11. Delissa Kimmince
4. Laura Kimmince
56. Lily Mills
16. Georgia Prestwidge
8. Georgia Redmayne
37. Courtney Sippel
19. Georgia Voll
The entire 59-game WBBL will be staged in Sydney, with more matches on TV than ever before.
A total of 24 games will be televised on Seven, while Fox Cricket will pick up 36 matches throughout the tournament.
All matches will be streamed on Kayo, while 35 matches will be available on cricket.com.au and the CA Live App. ABC Radio will broadcast 49 matches.
The Heat WBBL fixtures are online here