When you look at the gacha contents, it display the same probabilities as the other gacha, but it may be a typo.

Originally Posted by moarsi

Spent 150 gems on it. Got all bronzes and silvers except for 2 Toad Lilies. It's all anecdotal evidence of course, but I was pretty disappointed over it. Guess my luck was just really bad that day.

It's compatible with 6% gold, but it could be random.