Board Thread:General Discussion/@comment-34449974-20180124002459/@comment-32271305-20180124012403

If a banner doesn't mention any special offer on multis, such as "one guaranteed SSR per multi-summon", or "only 30 stones for the first three multi-summons", singles allow you to stop summoning as soon as you get a featured SSR (unless you want to pull more than one featured card). Personally, I've managed to save a few stones thanks to singles, so I don't mind doing them. Although I know that some people prefer doing multis because when you summon ten cards in a row there's a good chance of pulling at least one SSR, while with singles you have to summon each card one by one, and it can be a little nerve-racking. Anyway, if there are no special offers, doing a multi-summon is exactly the same as doing ten singles in a row.

Also, if the text is rainbow and Goku stays base form, you're guaranteed to see a shattered screen animation (= guaranteed SSR).