When this card is Normal Summoned : Add 1 " Cyber " Spell / Trap from your Deck to your hand . If only your opponent controls a monster : You can banish this card from your GY ; Special Summon 1 " Cyber Dragon " monster from your Deck. You can only use 1 "Cyber Dragon Core" effect per turn , and only once that turn . This card's name becomes "Cyber Dragon" while on the field or in the GY.