Afflict 3
(Whenever this creature becomes blocked, defending player loses 3 life.)
Other Zombies you control have
afflict 3
(Whenever this creature becomes blocked, defending player loses 3 life.).
At the beginning of your second main phase, if a player was dealt combat damage by a Zombie this turn,
mill (To mill a card, a player puts the top card of their library into their graveyard.) three cards, then you may return a creature card from your graveyard to your hand.