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 - $0.10
Lightly Played - $0.10
Moderately Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
NM-Mint Non English - $0.10
Lightly Played Non English - $0.10
Moderately Played Non English - $0.10
Heavily Played Non English - $0.10
Damaged Non English - $0.10