Gray Layer
Card Number: CORI-AE026
Card Type: Effect Monster
Level: 4
Rarity: N
Attribute: LIGHT
Types: Machine / Effect
Effect Types: Ignition / Trigger / Condition
ATK: 1200
DEF: 1000

You can Tribute this card, then reveal 1 Machine monster in your hand ; add 1 Machine monster with a different Attribute from your Deck to your hand, then if you added a monster with 1200 or less ATK , you can Special Summon 1 Machine monster from your hand. If a monster(s) in your possession is destroyed by card effect , while this card is in your GY (except during the Damage Step ): You can banish this card; destroy 1 card on the field. You can only use each effect of "Gray Layer" once per turn.