Aemelda, Avatar of Creation

Indestructible
As long as you don't control a tapped elf, human,
tiefling or faerie, Aemelda isn't a creature.
Whenever a creature enters the battlefield under
an opponent's control, create a 1/1 white spirit
creature token with flying and lifelink.
{1}{w}{w}{w}, sacrifice a creature: exile target
tapped creature.