Koh the Face Stealer

Koh the Face Stealer's power is equal to the
number of face counters on it.
When this creature enters the battlefield, put a
face counter on target nonlegendary creature.
Whenever you put a face counter on another creature, put one on Koh the Face Stealer.
Nonlegendary creatures with face counters lose all
abilities and have base power and toughness 0/1.
{b}{b}{b}:Put a face counter on target nonlegendary creature that doesn't already have one.