Oh yeah, there were those as well. If I find any of the old ones I'll write them down here.

By the way, recently there's been a trend in the gacha to give out a reward for rolling a specific number of times - just like the one right now on the 4th tab (a 11-roll gets you a `18 seal stone) or the 5th tab (22 rolls give you two Centies).
On each gacha, the top-right button on the banner lists the knights available in the gacha.