Doc Ock, Sinister Scientist
From Marvel's Spider-Man set
Doc Ock, Sinister Scientist
Legendary Creature — Human Scientist Villain
4/5
As long as there are eight or more cards in your graveyard, Doc Ock has base power and toughness 8/8.
As long as you control another Villain, Doc Ock has hexproof. (He can't be the target of spells or abilities your opponents control.)