Scarf Myr

First Strike.
Scarf Myr cannot have -1/-1 counters placed on it and cannot receive -X/-X (For example, if Scarf Myr would get -4/-4 until the end of turn, Scarf Myr gets -0/-0 instead).
"My scarf is all I have left of Mirrodin. It keeps me strong in the fight against Phyrexia."