Ultron, the Destroyer

Ultron, the Destroyer enters the Battlefield with
5 Time Counters on it
At the Beginning of your Upkeep remove a Time Counter from Ultron, the Destroyer, If there are none Destroy all Permanents not named Ultron
{3}{u}{t}: Create a 2/2 Ultron Artifact Creature Token that enters the Battlefield with +1/+1 Counters on it equal to 5 minus the Number of Time counters on Ultron