Maggie, Fairy Leader

Flying
Put a +1/+1 counter on Maggie, Fairy Leader
every time your life total is more then 10 and it becomes less than 10.
Put a +1/+1 counter on Maggie, Fairy Leader
every time your opponents life total is less than
10 and it becomes more than 10.
{g/u}{g/u}{g/u}{g/u}{g/u}{g/u}, Destroy a creature you control,
discard 2 cards, {t}: Your life total becomes 10.