Maps that PvZ 3 could add

Map: crazy laboratory 

gimmick(s) tiles that gives plant and zombies buffs/advantages

Zombie heal station spawn that can be destroyed 

zombies:

genetic experiment zombie: immune to any plant effects like butter or ice

chemist zombie two versions one gives zombie speed,health or damage buffs and the other nerfs plants

frankuntuar garg: gains health when zombies die:

jetpack zombie: flys over plants 

gadget scientist : creates zombie tiles 

portal technician creates portals to give zombies an advantage

Medical zombie Carries a heal station that drops when defeated

electrican: shoots lightning bolts that damage and can stun plants for 2 seconds

plants:

toxic pea: 6 sun: shoots toxic peas that deal damage over time (goes through armor) 

electric pea: 6 sun;shooots electric peas that Pierce through zombies

tile turnip: 2 sun: destroys zombie tiles and creates a random plant one

plasma cannon: 7 sun: tap and target to launch an massive plasma shot the longer it charges the more damage it does (max 1 minute)

power lily 4 sun: gives a plant food

imitater: can bring two of a plant in a level

Alchemy pult: 7 sun; lobs potion that give zombies random bad effects

new ability 

cost 50 sun to use 45 second cooldown

energizer

Give a plant a 3x boost for 10 seconds