Allisa, Young Sangromancer

Whenever a creature you control dies, each opponent looses 1 life and you gain 1 life.
Whenever a creature an opponent controls dies, put a +1/+1 counter on Allisa. It gains lifelink until end of turn.
"She's only 8 years old, but can is already a skilled sangromancer! One day she could become immensely powerful."