Your usual 10+1 pulls with 1 rainbow in the pool guarantee, you also get 1 rainbow bloom potion and 2 gold bloom potions as bonus.
Hmmm... So I have Dogwood, so it's 2/9 to get either Loquat or Purslane. Kerria seems fine but I don't have a team to build around her. Guess I'll pass on this one.