When an opponent's monster declares an attack: Destroy as many Attack Position monsters your opponent controls as possible, and if you do, take damage equal to half the combined original ATK of those destroyed monsters, then inflict damage to your opponent equal to the damage you took.
When an opponent's monster declares an attack, or an opponent's monster effect is activated that would destroy a monster(s) on the field, while a monster that mentions "Shining Sarcophagus" is on the field: Destroy as many Attack Position monsters your opponent controls as possible, then if you control "Dark Magician", inflict 500 damage to your opponent for each monster destroyed, also for the rest of this turn after this card resolves, the first time each monster you control that mentions "Shining Sarcophagus" would be destroyed by battle or card effect, it is not destroyed.
When an opponent's monster declares an attack: Banish all Defense Position monsters your opponent controls.
When an opponent's monster declares a direct attack: Shuffle all your opponent's Attack Position monsters into the Deck.
When an opponent's monster declares an attack: Special Summon 1 Illusion monster from your hand or GY, and if you do, return the attacking monster to the hand. If a face-up Illusion monster(s) you control leaves the field by an opponent's card effect, while this card is in your GY (except during the Damage Step): You can banish this card; Special Summon 1 Illusion monster from your hand or GY. You can only use this effect of "Mirage Mirror Force" once per turn.
When an opponent's monster declares an attack: Destroy all your opponent's Attack Position monsters.
Must be Special Summoned with "The Fang of Critias", using "Mirror Force". When a monster(s) you control is targeted for an attack or by an opponent's card effect (except during the Damage Step): You can destroy all cards your opponent controls.
Once per turn, during your Main Phase: You can discard 1 monster; add 1 "Mirror Force" from your Deck or GY to your hand. If this Set card is destroyed by your opponent's card effect and sent to your GY: You can Set this card from your GY and 1 "Mirror Force" from your hand, Deck, or GY. They can be activated this turn.
When an opponent's monster declares an attack: Change all your opponent's Attack Position monsters to face-down Defense Position. Monsters changed to face-down Defense Position by this effect cannot change their battle positions.
When an opponent's monster declares an attack while they control 3 or more Attack Position monsters: Destroy all Attack Position monsters your opponent controls.
When an opponent's monster declares an attack: Return all your opponent's Attack Position monsters to the hand.