Steelgem Constrictor

Steelgem Constrictor enters the battlefield with X +1/+1 counters on it where X is how many cards are in your hand.
{1}: Remove a +1/+1 counter off of Steelgem Constrictor and move it to another creature.
If Steelgem Constrictor has no +1/+1 counters on it, return it back to your hand.