Vicious Nanobots

Dissect (When this creature enters the battlefield you may exile target creature card from your graveyard, then put +1/+1 counters equal to the exiled creatures toughness on this creature.)
This creature can't attack or block unless you sacrifice an artifact.
"No matter the soulless husk we will make it a tool of the scavengers." -Z'vx Sovereign of the Hunt