I tried to make this somewhat realistic by having a max of 7 matches for each night and not including returning legends like The Rock or potential AEW signings.
Night 1:
The Usos (c) vs Ricky Saints and Royce Keys vs Fraxiom vs LA Knight and Joe Hendry vs Ethan Page and Grayson Waller vs Rey Mysterio and Penta - WWE Unified Tag Team Title Ladder Match. Winners: Saints and Keys
Je'Von Evans vs Dominik Mysterio. Winner: Je'Von
Tiffany Stratton (c) vs Blake Monroe - U.S Title (Special Guest Referee Chelsea Green). Winner: Monroe
Becky Lynch vs Sol Ruca - Street Fight. Winner: Ruca
Seth Rollins (c) vs Sami Zayn vs Jacob Fatu vs Sheamus - Intercontinental Title. Winner: Sheamus
Naomi (c) vs Iyo Sky (Royal Rumble Winner) - Women's World Title. Winner: Iyo
Roman Reigns (c) vs Oba Femi - World Title. Winner: Femi
Night 2:
Roxanne Perez vs Liv Morgan (c) vs Raquel Rodriguez - Intercontinental Title. Winner: Perez
Bron Breakker vs Drew McIntyre. Winner: Bron
Lyra Valkyria and Bayley (c) vs Stephanie Vaquer and Paige - Women's Tag Titles. Winners: Lyra and Bayley.
Carmelo Hayes vs Trick Williams (c) - U.S Title Last Man Standing Match. Winner: Hayes
Randy Orton vs Gunther - Orton's Career on the line. Winner: Orton.
Rhea Ripley vs Giulia vs Bianca Belair vs Jacy Jane (c) vs Jordynne Grace vs Charlotte Flair - WWE Women's Title. Winner: Bianca
Cody Rhodes (c) vs CM Punk (Royal Rumble Winner) - WWE Title. Winner: Cody