This card/Digimon is also treated as having [Greymon] in its name.
[When Digivolving] Delete 1 of your opponent's Digimon with a play cost of 13 or more. If no Digimon is deleted by this effect, trash the top card of your opponent's security stack.
[End of Your Turn] If you have a Tamer in play, you may digivolve this Digimon into a card with [Gaiomon] in its name and a play cost of 13 or more from your hand without paying its digivolution cost and ignoring digivolution requirements.