Starving Venom Fusion Dragon

2 DARK monsters on the field, except Tokens
If this card is Fusion Summoned: You can make this card gain ATK equal to 1 opponent's Special Summoned monster, until the end of this turn. Once per turn: You can target 1 Level 5 or higher monster your opponent controls; until the End Phase, this card's name becomes that monster's original name, and replace this effect with that monster's original effects. If this Fusion Summoned card is destroyed: You can destroy all your opponent's Special Summoned monsters.

Starving Venom Fusion Dragon of the Four Heavenly Dragons

2 DARK monsters on the field
(This card is always treated as a "Predaplant" card.)
If this card is Special Summoned: You can target 1 other face-up monster on the field; change its ATK to 0, negate its effects, also it becomes DARK. When your opponent activates a card or effect (Quick Effect): You can Fusion Summon 1 DARK Fusion Monster from your Extra Deck, using DARK monsters on either field, including this card. You can only use each effect of "Starving Venom Fusion Dragon of the Four Heavenly Dragons" once per turn.

Starving Venom Predapower Fusion Dragon

1 DARK Fusion Monster + 1 Fusion Monster
(This card is always treated as a "Predaplant" card.)
Once per turn, when a card or effect is activated (Quick Effect): You can Tribute 1 monster on either field with a Predator Counter, and if you do, negate the activation. If this Fusion Summoned card you control is sent to your GY by an opponent's card: You can target 1 DARK monster in your GY; Special Summon it. You can only use this effect of "Starving Venom Predapower Fusion Dragon" once per turn.

Starving Venom Wing Dragon

[ Pendulum Effect ]
Each time a monster(s) is Special Summoned to your opponent's field, place 1 Predator Counter on it, and if it is Level 2 or higher, it becomes Level 1 as long as it has a Predator Counter.

1 Fusion Monster + 1 "Clear Wing" monster
Once per turn, if your opponent Special Summons a monster(s) face-up (except during the Damage Step): You can target 1 of them; this card gains ATK equal to that monster's ATK, and if it does, that monster's effects are negated. These changes last until the end of this turn. Once per turn, when another card or their effect is activated on the field (Quick Effect): You can destroy 1 card on the field. If this card in the Monster Zone is destroyed: You can place this card in your Pendulum Zone.

Supreme King Dragon Starving Venom 1

2 DARK Pendulum Monsters
Must be either Fusion Summoned, or Special Summoned by Tributing the above cards you control (in which case you do not use "Polymerization"). Once per turn: You can target 1 other monster on the field or in the GY; until the End Phase, this card's name becomes that monster's original name, and replace this effect with that monster's original effects, also for the rest of this turn, if your monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.