Drelbet, The Ever Improving

{2}: Exile target artifact creature from a graveyard
with an improvement counter on it.
Drelbet gets +1/+1 for each creature with an improvement counter and has all abilities of creatures in exile with improvement counters
When Drelbet leaves the battlefield, remove all improvement counters from all creatures in exile
He seeks to be perfect, but one little hick-up and he
starts from scratch again