Cyber Emergency [BLRR-EN016] Secret Rare

Add from your Deck to your hand, 1 "Cyber Dragon" monster or LIGHT Machine monster that cannot be Normal Summoned/Set. If this card's activation is negated by your opponent and it is sent to GY as a result: You can discard 1 card; add this card from the GY to your hand. You can only activate 1 "Cyber Emergency" per turn.