Down with the Sickness

Enchant Creature
Enchanted creature has "Whenever this creature
is dealt damage, put a sickness counter on this
creature".
As long as enchanted creature has 3 or more
sickness counters on it, it gets +20/+20, has
Flying, Hexproof and Trample and its name
becomes "The Guy".
ooh-wah-ah-ah-ah