Michonne, Ruthless Survivor

When Michonne enters the battlefield, create two Walker tokens.
As long as Michonne is equipped, she must be blocked if able.
Whenever Michonne and at least two Zombies attack, she gains indestructible until end of turn.

Daryl, Hunter of Walkers

At the beginning of your upkeep, target opponent creates three Walker tokens.
: Daryl deals 2 damage to target creature.
Whenever a Zombie an opponent controls dies, draw a card.