If this card is Normal or Special Summoned: You can add 1 "Predap" card from your Deck to your hand, except "Predaplant Longinephila". You can banish this card from your GY, then activate 1 of these effects;
• Place 1 Predator Counter on 1 face-up monster on the field, and if you do, any of those monsters that are Level 2 or higher become Level 1 as long as they have a Predator Counter.
• Set 1 "Polymerization" from your GY or banishment.
You can only use each effect of "Predaplant Longinephila" once per turn.