Scareclaw Decline

Target 1 "Primitive Planet Reichphobia" you control or in your GY; return it to the hand, then, if you control "Visas Starfrost", you can change 1 face-up monster your opponent controls to face-down Defense Position. If 3 or more Defense Position monsters are on the field: You can banish this card from your GY; add 1 "Scareclaw" card from your GY to your hand. You can only use this effect of "Scareclaw Decline" once per turn.