If this card is Special Summoned by the effect of a "Dream Mirror" monster: You can Special Summon 1 "Dream Mirror" monster from your hand, except "Ikelos, the Dream Mirror Mara". During the Main or Battle Phase, if "Dream Mirror of Joy" is in a Field Zone (Quick Effect): You can Tribute this card; Special Summon 1 "Ikelos, the Dream Mirror Sprite" from your Deck. You can only use each effect of "Ikelos, the Dream Mirror Mara" once per turn.