D.D. Unicorn Knight

This card cannot be Normal Summoned or Set. This card can only be Special Summoned if your opponent controls a monster(s) and you control a face-up Tuner monster(s). When this card is Special Summoned this way, you can select 1 of your removed from play Level 3 or lower non-Tuner monsters and Special Summon it. Its effect(s) are negated. You cannot Normal Summon or Set the turn you Special Summon this card.