FLIP: You can add 1 "Krawler" monster from your Deck to your hand.
If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Receptor". You can only use each effect of "Krawler Receptor" once per turn.