The Eternally Growing One

This creature enters the battlefield with {x}
additional +1/+1 counters on it.
Corrode — As long there are 4 or more artifacts at
your graveyard, this creature has indestructible
and protection from artifacts except itself.
The Eternally Growing One has all activated abilities of all artifacts in all graveyards.
The secret ruler of phyrexian graveyards.