Wilhelt replaces your Zombies with even more Zombies when they die (again), and then provides you a free, once-a-turn sacrifice outlet to turn your creatures into card advantage
Then at level 2, anytime a noncreature, nonland permanent comes into play under your control, you get to put a +1/+1 counter on a creature you control, letting you buff your Wall or any other creature you might have
Faith Unbroken 3W Enchantment Aura Enchant creature you control When Faith Unbroken enters the battlefield, exile target creature an opponent controls until Faith Unbroken leaves the battlefield
#5 Make It Interesting The final piece of advice I can give is to talk a little about what separates good discard cards from bad ones
Wrong shade of blue, slightly off Pokeball logo, stuff like that