Card Rulings:Artifact Chakram

OCG Rulings

 * "During either player's turn, when a card or effect is activated that would destroy a Spell/Trap Card(s) you control (except during the Damage Step): You can return 1 Set Spell/Trap Card you control to the hand; Special Summon this card from your hand." effect is a Quick Effect. (This effect does not target. It cannot be activated during the Damage Step.)