Ben, Murderous Puppeteer

Deathtouch, Trample
Whenever a Creature an opponent controls dies, return target Creature card from your graveyard
to the battlefield. The same is true for Artifacts, Enchantments and Planeswalkers. This may
trigger only once per turn for each type.
Whenenever Ben, Murderous Puppeteer attacks,
mill 4 and you may put a land onto the battlefield
from your hand or graveyard.