MetalGreymon - EX4-020 (EX4-020) - Alternative Being Booster Foil

[On Play] This Digimon gains [Rush] for the turn. (This Digimon may attack the turn it was played.) If DigiXrosing, trash up to 2 digivolution cards of 1 of your opponent's Digimon.
[Material Save 2] (When this Digimon would be deleted, you may place 2 cards in this Digimon's DigiXros conditions from this Digimon's digivolution cards under 1 of your Tamers.)
[[DigiXros -2] Blue [Greymon] × [MailBirdramon]]

[When Attacking] If this Digimon is [GreyKnightsmon], 1 of your opponent's Digimon with 3 or fewer digivolution cards can't attack until the end of your opponent's turn.