Landfill Monster

Trample
When Landfill Monster enters the battlefield, you
may return up to two artifacts from your graveyard to the battlefield tapped. If you do not, put two
+1/+1 counters on Landfill Monster.
When Landfill Monster dies, return an artifact
card from your graveyard to the battlefield tapped
for each +1/+1 counter on it.