Neiroy, the Dream Mirror Disciple (Common)

If a Dream Mirror monster(s) is on the field: You can Special Summon this card from your hand, then, you can make this card become DARK. If this card is Special Summoned by the effect of a Dream Mirror monster: Activate this effect; if Dream Mirror of Joy is on the field, you can return 1 Spell/Trap your opponent controls to the hand, also, after that, if Dream Mirror of Terror is on the field, draw 1 card, then shuffle 1 card from your hand into the Deck. You can only use each effect of Neiroy, the Dream Mirror Disciple once per turn.