Fate Go Jp Christmas 2024 Servant. Which means the gacha banner will be old servants. Seeing as the saber from remnant was the first released servant it seems to be likely.

My personal checklist for summer 2024 servant, would be if jing ke, boudica, medea, xu fu, astrae koyan, reines and vritra. Only one of the three spitiron dresses will be available depending on which servant is selected.