Monsters with a Predator Counter that you use as Fusion Materials are treated as DARK. During your Main Phase: You can Fusion Summon 1 DARK Fusion Monster from your Extra Deck, using this card on the field and monsters from your hand, field, and/or monsters with a Predator Counter your opponent controls as Fusion Material. You can only use this effect of "Predaplant Chlamydosundew" once per turn.