Plant Breakdown

Seed of Power
Level 10 DARK Plant/Breakdown/Effect
500/500
Breakdown Level 9
During your Main Phase: You can Special Summon this card from your hand, and if you do, destroy 1 monster you control. If this card is destroyed by battle, or by your card effect: Both players take 500 damage, then each player adds 1 Level 5 or lower DARK Plant Breakdown monster from their Deck to their hand. You can only use each effect of "Seed of Power" once per turn.

Sprout of Power
Level 9 DARK Plant/Breakdown/Effect
1000/1000
Breakdown Level 8
Cannot be Normal Summoned/Set. Must first be Breakdown Summoned. If this card is Breakdown Summoned: Both players take 1000 damage, then each player adds 1 Level 3 or lower DARK Plant Breakdown monster from their Deck to their hand. At the start of the Damage Step, if this card battles an opponent's monster: You can destroy both battling monsters. You can only use each effect of "Sprout of Power" once per turn.

Immature Flower of Power
Level 8 DARK Plant/Breakdown/Effect
1500/1500
Breakdown Level 7
Cannot be Normal Summoned/Set. Must first be Breakdown Summoned. If this card is Breakdown Summoned: Both players take 1000 damage, then each player sends 1 DARK Plant Breakdown monster from their Deck to the GY. At the start of the Damage Step, if this card battles an opponent's monster: You can destroy both battling monsters. You can only use each effect of "Immature Flower of Power" once per turn.

Flower of Power
Level 7 DARK Plant/Breakdown/Effect
2000/2000
Breakdown Level 5
Cannot be Normal Summoned/Set. Must first be Breakdown Summoned. If this card is Breakdown Summoned: Both players take 1000 damage, then each player draws 1 card. At the start of the Damage Step, if this card battles an opponent's monster: You can destroy both battling monsters. If this card is destroyed by battle, or by your card effect: You can send 1 random card from your opponent's hand to the GY. You can only use each effect of "Flower of Power" once per turn.

Unripe Fruit of Power
Level 5 DARK Plant/Breakdown/Effect
2500/2500
Breakdown Level 3
Cannot be Normal Summoned/Set. Must be Breakdown Summoned. If this card is Breakdown Summoned: Both players take 1000 damage, then you can destroy 1 card on the field. If this card is destroyed by battle, or by your card effect: You can inflict 800 damage to your opponent for each DARK Plant Breakdown monster in your GY. You can only use each effect of "Unripe Fruit of Power" once per turn.

Ripe Fruit of Power
Level 3 DARK Plant/Breakdown/Effect
3000/3000
Breakdown Level 2
Cannot be Normal Summoned/Set. Must be Breakdown Summoned. If this card is Breakdown Summoned: Both players discard as many cards as possible from their hands, then each player draws the same number of cards they discarded. If this card is destroyed by battle, or by your card effect: You can target 1 monster your opponent controls or in their GY; inflict damage to your opponent equal to its original ATK. You can only use each effect of "Ripe Fruit of Power" once per turn.

Overripe Fruit of Power
Level 2 DARK Plant/Breakdown/Effect
3500/3500
Breakdown Level 1
Cannot be Normal Summoned/Set. Must be Breakdown Summoned. Can make a second attack during each Battle Phase. Gains 200 ATK for each DARK Plant Breakdown monster in your GY. If this card is destroyed by battle, or by your card effect: You can add 1 Plant monster from your Deck or GY to your hand, except "Overripe Fruit of Power". You can only use this effect of "Overripe Fruit of Power" once per turn.

Decayed Fruit of Power
Level 1 DARK Plant/Breakdown/Effect
4000/4000
Cannot be Normal Summoned/Set. Must be Breakdown Summoned. Can attack all monsters your opponent controls, once each. While you have 8 or more DARK Plant Breakdown monsters on your field and in your GY, this card gains 4000 ATK. If this card is destroyed by battle, or by your card effect: You can shuffle as many DARK Plant Breakdown monsters as possible from your GY or banishment into the Deck, and if you do, Special Summon 1 "Seed of Power" from your hand or Deck. You can only use this effect of "Decayed Fruit of Power" once per turn.

Helheim, Forbidden Fruit of Power
Link-1 DARK Plant/Link/Effect
4000/B
1 Level 1 Plant Breakdown monster
Must be Link Summoned. If this card is Link Summoned: You can shuffle as many DARK Plant Breakdown monsters as possible from your GY or banishment into the Deck, and if you do, Special Summon 1 "Seed of Power" from your hand or Deck, and if you do that, if you shuffled 8 DARK Plant Breakdown monsters with different names by this effect, send all monsters your opponent controls to the GY. You can only use this effect of "Helheim, Forbidden Fruit of Power" once per turn.

Hemlock Spreader
Level 4 DARK Plant/Effect
1400/1000
If you control a Plant Breakdown monster: You can Tribute this card, then target 1 monster on the field; destroy that target. If you control a Plant Breakdown monster: You can banish this card from your GY, then target 1 card on the field; destroy that target. You can only use 1 "Hemlock Spreader" effect per turn, and only once that turn.

Bramble Ivy
Level 3 DARK Plant/Effect
1300/1000
You can discard 2 cards, including this card; add 2 Plant Breakdown monsters with different names from your Deck to your hand. If this card is in your GY, except the turn it was sent there: You can banish 1 Breakdown monster from your GY; add this card to your hand. You can only use each effect of "Bramble Ivy" once per turn.

Breakdown Collapse
Normal Spell
Target 1 Breakdown monster you control and 1 card your opponent controls; destroy them, then draw 1 card. If you control a Level 4 or lower Breakdown monster: You can banish this card from your GY; shuffle any number of cards from your hand into the Deck, then draw the same number of cards. You can only use each effect of "Breakdown Collapse" once per turn.

Break the Walls Down!
Continuous Spell
Up to twice per turn, if a Breakdown monster(s) is Special Summoned to your field: You can target 1 of them; add 1 Breakdown monster with the same Type/Attribute as that monster, but with a different Level, from your Deck to your hand. Once per turn: You can target 1 Breakdown monster you control; gain LP equal to its original ATK, then destroy it. You can only activate 1 "Break the Walls Down!" per turn.

Breakdown Festering
Normal Trap
Target 1 Level 4 or lower Breakdown monster you control; send all cards on the field to the GY that are not that monster. If your opponent Special Summons a monster(s), while this card is in your GY: You can banish this card; add 1 Breakdown monster from your GY to your hand. You can only use each effect of "Breakdown Festering" once per turn.