Aatchik, Emerald Radian
When Aatchik enters, create a 1/1 green Insect creature token for each artifact and/or creature card in your graveyard.
Whenever another Insect you control dies, put a +1/+1 counter on Aatchik. Each opponent loses 1 life.
Disclaimer: This is a custom-made MTG proxy card and not tournament-legal.