Mastemon (BT-21: Illustration Celebration Pack)

[[DNA Digivolve] Lv.5 + Lv.5: Cost 0] Stack the 2 specified Digimon and digivolve unsuspended.
[When Digivolving] [Recovery +1 "Deck"]. Then, if DNA digivolving, by placing 1 other Digimon or Tamer as the top or bottom security card, trash your opponent's top security card.
[When Digivolving] [When Attacking] [Once Per Turn] By trashing your top security card, you may play 1 purple or yellow Digimon card with 6000 DP or less from your hand or trash without paying the cost.