Technological Leader

Advancement 2 (When you play a card that costs more then this card this creature gains +2/+2 for each mana extra.
Whenever an artifact enters the battlefield if it's under your control this creature gains +1/+0.
Whenever an artifact enters the battlefield if it's under and opponents control Technological Leader deals 1 damage to the controller.
This creature cannot enter the graveyard because of the effect from an Artifact.