Dread Engine

Trample.
At the beginning of your upkeep put the top card
of your library into your graveyard.
Dreadtank's power and toughness are equal to the number of creature cards in all graveyards.
Crew 1
"It is a terrible things, from a war that cast all peoples
to the edge of insanity. But if we are to survive, it must
walk one more time."