Little one, your siblings are not your real ennemies.
Your brother proved it (badly) it’s your father who turned them against you.

I’m not just saying that cause i want her to save Miracle and have Miracle declare that she is her favorite sibling wich would lead to their father having a heart attack.

But this Miracle being the golden child saving her and being REALLY favored by her is technically the best strategy. She is the sibling who can bring the most benefit due to being THE Favorite