Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.)
Other Zombies have "{B}: Regenerate this permanent."
He controlled the zombies even before his own death; now nothing can make them betray him.
NM-Mint - $12.70
NM-Mint Non English - $12.70
Lightly Played - $12.10
Lightly Played Non English - $12.10
Moderately Played - $11.50
Moderately Played Non English - $11.50
Heavily Played - $10.20
Heavily Played Non English - $10.20
Damaged - $8.30
Damaged Non English - $8.30