Gix, Last Hope of the Damned

Protection from non-artifacts
{x}{1}: Tap Gix and he gets a +1/+0 counter.
(X is Gix's power -5, only opponents may play
this ability)
Pay 6 life: Gix loses Protection from non-artifacts
and has base power and toughness 0/1 until
the end of turn(any player may play this ability)
"Show me this cured man."