I just put in summary statistics in the log, which you might find interesting (and make your suspicion of Buff Booster with no Holy/Yellow a reasonable guess, though Bloody Battle might be more likely): π Raid Tournaments β Log, Overview, Attacking, Matchmaking, Scoring, Restrictions, Special Rules, and Rewards
And the new thread is up: π [Dec 29, 2019] 37th Raid Tournament! β 4* Buff Booster, All Elements