In that using freezing as a CC method will empower it, as well as it's own ability to increase it's power will, with enough freezes, render it nigh-invincible. Not to mention being a useful way to control any creatures turned against you via antimatter, as well as a method of handling SoSac.
Considering the 'incvincible to CC' area begins at about 5-7 HP, and that it both starts at 3 and can self-trigger the effect, it will grow very quickly beyond control by the opponent. imagine an Otyugh that gets to eat a creature once every turn. after 5 turns it's at least a 5|8, and that's if it's on it's own.