Should i summon?

New account since im new to the game have gotten 5,750 stones but im wondering if i should summon (use the 750 stones) on any of the banners or just save for 10th anni?

New account since im new to the game have gotten 5,750 stones but im wondering if i should summon (use the 750 stones) on any of the banners or just save for 10th anni?