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 - $9.20
NM-Mint Non English - $9.20
Lightly Played - $8.80
Lightly Played Non English - $8.80
Moderately Played - $8.30
Moderately Played Non English - $8.30
Heavily Played - $7.40
Heavily Played Non English - $7.40
Damaged - $6.00
Damaged Non English - $6.00