Gennai's House ST21-15

Effect: While you have no face-up [Gennai's House] security cards, you can ignore this card's color requirements.[Security] [Your Turn] All of your level 3 or higher Digimon get +3000 DP.[Main] Add your bottom security card to the hand. Then, place this card face up as the bottom security card.
Security Effect: [Security] You may play 1 level 3 Digimon card from your trash without paying the cost.