GreyKnightsmon

DigiXros -2: Blue [MetalGreymon] × [DarkKnightmon] [On Play] ＜De-Digivolve 1＞ 1 of your opponent's Digimon. Then, all of your opponent's level 4 or lower Digimon can't attack until the end of your opponent's turn. [All Turns] When this Digimon would be deleted or returned to your hand or deck, you may play 1 [MetalGreymon] and 1 [DarkKnightmon] from this Digimon's digivolution cards without paying the costs.