A New Leader

Soulswap, Trample.
You may Sacrifice a "Daughter" in play rather
then pay this card's casting cost. If you do add
it's base Power and Toughness to this card.
All "Daughters" gain +1/+1, and Soulswap.
All "Nightmare" Creatures lose -1/-1 and any
abilities they use with Mana, cost {p/c} more.
"She has risen above all her Sisters, and now leads
them against Suffering" - The Red Mother.