Annie, the Shadowchild

As long as "Tibbers" is on the Battlefield all damage done to Annie, the Shadowchild is
done to "Tibbers" instead.
{t}: Create a 3/3 red Token named "Tibbers".
{r}: "Tibbers" gets +1/+2
{1}{r}: "Tibbers" gets firststrike and wither.
{2}{r}: "Tibbers" fights target creature.