Not so high minimum. And if you have in your hand any other of this 4 cards: Oshitsune, Pan, Dorian or Nellie, the "high" minimum won't have any relevance. And you wil have lots of possibilities of bluffing or not with your starters depending on your opponent's hand. I consider that putting Oxen instead of Rubie is not a bad chance. Try the 2 options and choose.