This article contains the various community-built decks for Wall-Knight in Plants vs. Zombies Heroes. You are free to add your decks, but please refer to the rules page first.

Wall-KnightH Nut Everything (created by Patryk8i9)

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Nut Defense, nut Attack, nut everything.
Small-NutH x1 Wall-NutH x4 PismashioH x3 Water ChestnutH x4 Pea-NutH x4
SmackadamiaH x4 Cosmic NutH x3 Jugger-NutH x2 Mirror-NutH x4 Three-NutH x2
Primal Wall-NutH x4 Wall-Nut BowlingH x1 PecanolithH x4

Wall-KnightH Poppin' Power (created by Imp Lover)

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This is an extremely powerful deck meant for mid to late game. This deck requires some premium rares and premium super rares, but these cards are generally worth it to craft. This deck focuses on the synergy between the Solar and Guardian classes. There are two main themes in this deck: Nuts and Flowers. Use Smackadamia and Steel Magnolia to boost your nuts, generate lots of sun while protecting your sunflowers, and boost them with Spineapple. Spineapple is amazing in this deck, not only boosting nuts, but also Lil' Buddies from Poppin' Poppies and Sunflowers. Lil' Buddies also benefit from Steel Magnolia boosting up their health. Sage Sage can take advantage of the huge amount of sun production, netting you free draws and pressuring the zombie hero. Finally, Briar Rose and Power Flower are both incredible in this deck, damaging the zombie hero when Lil' Buddies are hurt and healing the plant hero for every flower in play.
Poppin' PoppiesH x3 Water ChestnutH x2 Steel MagnoliaH x3 SmackadamiaH x2 Mixed NutsH x3
SpineappleH x4 Wall-NutH x3 Mirror-NutH x2 SunflowerH x3 Twin SunflowerH x3
2nd-Best Taco of All TimeH x2 Power FlowerH x3 Sage SageH x3 Briar RoseH x2 Whack-a-ZombieH x2

Wall-KnightH Heavy (created by MoreZnipingZombie)

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A simple heavy card, composed of moderately expensive cards, be sure to keep up with team-up plants and be highly durable, tough beets is durable, while other plants dish out damage. (P.S.:It's really expensive to craft these cards i'm about to mention)
Potato MineH x2 SunflowerH x1 Wall-NutH x4 CactusH x2 Jugger-nutH x1
Sea-ShroomH x1 Water BalloonsH x2 Water ChestnutH x2 Mixed NutsH x2 Pea-NutH x3
SpineappleH x3 Steel MagnoliaH x1 Venus FlytrapH x1 Whack-a-ZombieH x1 BloomerangH x1
GuacodileH x1 Metal Petal SunflowerH x2 Power FlowerH x1 SmackadamiaH x3 SquashH x2
Tough BeetsH x2 Laser BeanH x1 Smashing PumpkinH x1

Wall-KnightH Defend First, Think Later (created by Perin.evrankaya.3)

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The plants in this deck aren't really hard to get, given the fact that you start off with most of the plants anyway. The main point of this deck is to (as the name suggests) defend first and actually start fighting later. Delay the first few zombies with Potato Mines and Wall-Nuts, then rely on Venus Flytrap and Power Flower for healing. There aren't really that much tricks (only two variants), since the plants have the abilities this deck relies on.
PismashioH x4 Mixed NutsH x4 BloomerangH x3 SpineappleH x2 Metal Petal SunflowerH x2
Pea-NutH x2 Venus FlytrapH x2 Potato MineH x2 Wall-NutH x2 Power FlowerH x4
SquashH x4 Fume-ShroomH x2 Sea-ShroomH x3 Morning GloryH x2 Grave BusterH x2

Wall-KnightH Do Nut Attack Me! (created by GamerNerd i)

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No, seriously, do NUT attack anything in this deck. Guacodile, Mirror-Nut, Briar Rose, and Prickly Pear ensure that you exact revenge, while Poppin’ Poppies and Wall-nut Bowling ensure you always have something to avenge. Geyser, Steel Magnolia, and Smackadamia keep everyone up and running, while Pepper M.D. takes advantage of everyone’s healing! Keep Zombies small (in size AND numbers) with Grave Busters and Squashes, and your opponents will go nuts trying to break you down!
SunflowerH x2 Metal Petal SunflowerH x4 Power FlowerH x4 Briar RoseH x3 Wall-NutH x3
Steel MagnoliaH x3 Mirror-nutH x1 SmackadamiaH x3 Prickly PearH x2 Pepper M.D.H x2
SquashH x2 Wall-Nut BowlingH x1 Soul PatchH x1 Poppin' PoppiesH x2 Grave BusterH x3
GuacodileH x3

Wall-KnightH Heal Nut (created by LightTrust)

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Heal your "Nut" and Plants, protect those, increase your plant(s) Power.
Potato MineH x3 Wall-NutH x4 Gardening GlovesH x2 Pepper M.D.H x2 Water BalloonsH x1
Water ChestnutH x3 2nd-Best Taco of All TimeH x1 Hibernating BearyH x1 Mixed NutsH x2 Pea-NutH x1
SpineappleH x2 Venus FlytrapH x4 Whack-a-ZombieH x1 Prickly PearH x2 Doom-ShroomH x1
Power FlowerH x4 SmackadamiaH x4 SquashH x2

Wall-KnightH The Wall (created by PeaVZ108)

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This deck is mainly high on defense. Use Potato Mines to get rid of small zombies. Plant Sunflowers to get more sun each turn and protect them with Nuts. Use Spineapple and Smackadamia to buff up both Sunflowers and Nuts to knock out the zombies. Use Poppin' Poppies if you are running out of options in defense and instant-kill tricks like Lawnmower, Whack-a-Zombie and Squash to make defense easier. If you have enough sun, you can start using the Cornucopia, but make sure there are enough empty lanes for this plant to be worth! Works well against Hearty zombies. Let me know what you think in the comments!
Potato MineH x4 SunflowerH x4 Grave BusterH x4 Water ChestnutH x2 Mixed NutsH x4
Pea-NutH x4 SpineappleH x4 Whack-a-ZombieH x2 LawnmowerH x2 SmackadamiaH x4
SquashH x3 Poppin' PoppiesH x1 Three-Headed ChomperH x1 CornucopiaH x1

Wall-KnightH Shining Stone (created by KirbiMiroir)

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Wall-Knight's main priority is in defence - he has a great assortment of nuts to choose from, most of which can defensively team-up or benefit from teaming up. This deck offers good defence, some Bullseye attacks and a few Amphibious plants. It also has Potato Mines, for use in stalling early zombies.
Potato MineH x4 Wall-NutH x4 Small-NutH x1 Sting BeanH x2 SunflowerH x2
CactusH x2 Gardening GlovesH x2 Grave BusterH x3 Jugger-NutH x2 PismashioH x1
2nd-Best Taco of All TimeH x2 Pea-NutH x2 SpineappleH x3 Steel MagnoliaH x2 Whack-a-ZombieH x1
GuacodileH x1 LawnmowerH x1 Metal Petal SunflowerH x1 SmackadamiaH x1 SquashH x2

Wall-KnightH Pay-2-Win healing deck (created by Iamarepeater)

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I made this deck from Fry Em Up 's video. Click here to watch it. So you need to control the early game well using cards such as Galacta-Cactus, Spikeweed Sector, and Hot Date. Then you need to pull off the Heartichoke-Venus flytraplanet combo to finish off your opponent. They managed to survive that? Then unleash Astro-Vera to finish them off with a 10-damage blow on their face or Cornucopia to really drain them of their cards.
Galacta-CactusH x2 Morning GloryH x2 Grave BusterH x3 Hot DateH x4 Spikeweed SectorH x3
2nd-Best Taco of All TimeH x4 Pear CubH x4 PlanternH x2 ShamrocketH x3 HeartichokeH x4
Venus FlytraplanetH x3 Doom-ShroomH x1 Astro VeraH x3 CornucopiaH x2

Wall-KnightH Root of All Evil (created by RandomzSunfish23901)

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Utilizing the Root tribe's synergy through Starch-Lord, this budget deck starts off with Potato Mine and Spikeweed Sector for early removal, then transitions into playing strong cards like Plantern and Tough Beets. Throw in a Starch-Lord to buff all of it up and gain a card advantage.
Potato MineH x4 GarlicH x4 Spikeweed SectorH x4 Water ChestnutH x2 Grave BusterH x3
PlanternH x4 Whack-a-ZombieH x3 2nd-Best Taco of All TimeH x4 Starch-LordH x4 SquashH x4
Tough BeetsH x3 Wall-Nut BowlingH x1

Wall-KnightH Con-Troll (created by NgThang)

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This is a typical control deck, with plenty of removal and good finishers.
Galacta-CactusH x4 Grave BusterH x2 Hot DateH x4 Spikeweed SectorH x4 Pear CubH x4
Whack-a-ZombieH x3 Briar RoseH x4 ShamrocketH x2 Doom-ShroomH x2 Wing-NutH x2
Poppin' PoppiesH x3 Tactical CukeH x1 Astro VeraH x3

Wall-KnightH Budget Enviro-Heal (created by GravityWave)

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A cheap budget heals deck. Cosmoss synergises with Spikeweed Sector and Venus Flytraplanet, while Heartichoke goes in an infinite loop. Power Flower and Smackadamia are your finishers, and Kernel-Pult helps out with small removal. Add your own heals/ environments to make this stronger.
CosmossH x4 Kernel-PultH x3 Spikeweed SectorH x4 Venus FlytraplanetH x4 HeartichokeH x3
Sting BeanH x4 Pepper M.D.H x4 Power FlowerH x3 SmackadamiaH x1 Cosmic NutH x1
Wall-NutH x2 Morning GloryH x3 Whack-a-ZombieH x2

Wall-KnightH The Nut Family (created by Shpore)

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This deck was made by Captain Hack. The best cards for this deck are Mirror Nut and Pecanolith
Forget-Me-NutsH x4 Wall-NutH x3 Jugger-NutH x3 Water ChestnutH x3 Health-NutH x2
Mixed NutsH x3 Pea-NutH x2 Three-NutH x3 Cosmic NutH x3 Mirror-NutH x4
Wing-NutH x2 PecanolithH x3 SmackadamiaH x3 Wall-Nut BowlingH x2