50%!!!

If you have 50%!!! In your starting hand,
cast it without paying its casting cost.
If your life total is less than your
starting life total, put five counter 10% on you
then draw a card.
If your life total is equal or higher than your starting life total, loose half of
your life rounded up, put five 10% counters on you then put a land card
from your hand onto the battlefield and draw a card