Once per turn, if another monster's battle position is changed (except during the Damage Step): You can target 1 card on the field; return it to the hand. You can only use each of the following effects of "Sphinx of the Cycle" once per turn. If a monster's battle position is changed (except during the Damage Step): You can banish 1 Spell from your GY; Special Summon this card from your GY (if it was there when the battle position was changed) or hand (even if not). During your Main Phase: You can Set 1 "Book of Taiyou" and/or 1 "Book of Moon" from your Deck or GY.