Gennai's House - ST21-15 - U Tweet Out of stock. Wishlist Details Card Name: Gennai's House Card Number: ST21-15 Card Type: Option Color: White Digimon Type: ADVENTURE 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. Finish: Regular Play Cost: 2 Rarity: U Security Effect: [Security] You may play 1 level 3 Digimon card from your trash without paying the cost. Art Style: Normal