When you would use this card, if you have a Digimon
with [X Antibody] in its digivolution cards in play,
reduce the cost by 2.[Main] Choose any number of
your opponent's Digimon and/or Tamers whose combined
play costs are less than or equal to the play cost
of 1 of your Digimon with [Greymon] in its name, and
delete all of the chosen cards. Then, 1 of your
Digimon with [Greymon] in its name may attack a
player.
Security
[Security] Delete 1 of your opponent's Digimon with
the highest play cost.