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.
Informations complémentaires
Tributes itself for cost - Reveals your hand for cost - Adds from Deck to hand - Activates if destroyed by card effect - Activates from your Graveyard - Destroys Monster Cards - Destroys Spell Cards - Destroys Trap Cards - Special Summons from your hand - Banishes itself from Graveyard for cost - Only once per turn