Chromescale Serpent

This enters the battlefield with X +1/+1 counters.
If {w} was spent to cast this, it enters with a
lifelink counter.
If {u} was spent to cast this, it enters with a
hexproof counter.
If {b} was spent to cast this, it enters with a deathtouch counter.
If {r} was spent to cast this, it enters with a haste counter.
If {g} was spent to cast this, it enters with a
trample counter.