Centregrenouille CYHO-FR025

Not usable as Material for a Fusion, Synchro, Xyz, or Link Summon. If this card is Normal or Flip Summoned, change it to Defense Position. Once per turn, you can target 1 monster in your opponent's Monster Zone; give control of this card in Defense Position to your opponent by moving it to their adjacent Zone, and if your opponent controls exactly 2 "Frog" monsters in their Monster Zone, take control of all monsters between those 2 cards.