Rules:
You can suggest up to five upgrades for a zombie. After 5 upgrades are stated, another zombie must be recommended.
You may only make one upgrade per post.
Example of a valid upgrade: Pianist Zombie boosts zombies' attack speed.
Example of an invalid upgrade: Pianist Zombie does a 3*3 shockwave and summons Cowboy Zombies occasionally.
If a zombie appears in two or more games, please state which version you are talking about.
You cannot suggest to upgrade Heroes Cards.
A zombie can be suggested twice in the same thread, but at least one day must have passed.