You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) If your opponent controls a monster: You can discard this card; Set 1 “Fusion” Continuous Spell directly from your Deck, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except “Gem-Knight” monsters.
(2) If this card is used as material for Fusion Summon, and sent to the GY or banished: You can add 1 “Gem-Knight” monster from your GY to your hand, except “Gem-Knight Quartz”.