you may play 1 Digimon card with [Sistermon] in its name from your trash or 1 Digimon card with the [Royal Knight] trait from the digivolution cards of your Digimon in the breeding area
Set: Blast Ace Card type: Digimon Rarity: Super Rare Digi type: Mammal Play Cost: 3 Form: Rookie Attribute: Data Digivolve Cost: 0 Digivolve Cost Level: 2 [Start of Your Main Phase] Search your security stack
Set: Beginning Observer Pre-Release Promos Card type: Digimon Rarity: Rare Digi type: Ancient Fairy Play Cost: 3 Form: Rookie Attribute: Free Digivolve Cost: 1 Digivolve Cost Level: 2 [Your Turn] [Once Per Turn] When one of your Digimon moves from the breeding area to the battle area
Set: Battle of Omni Promos Card type: Digimon Rarity: Promo Digi type: Holy Warrior/Royal Knight Play Cost: 15 Form: Mega Attribute: Vaccine Digivolve Cost: 4 Digivolve Cost Level: 6 [When Digivolving] [Blitz] (If your opponent has 1 or more memory
Set: Exceed Apocalypse Pre-Release Cards Card type: Digi-Egg Rarity: Uncommon Digi type: Flame Form: In-Training [On Deletion] By trashing 1 level 5 or higher Digimon card in your hand
Lunamon [EX5-016] (Alternate Art) [Animal Colosseum] Holy Warrior/X Antibody/Royal Knight you may play 1 DigimonSet: Animal Colosseum Card type: Digimon Rarity: Uncommon Digi type: Mammal Night Claw Play Cost: 3 Form: Rookie Attribute: Data Digivolve Cost: 0 Digivolve Cost Level: 2 ([Digivolve] Lv. 2 w [Night Claw] [Light Fang] trait: Cost 0) [Start of Your Main Phase] By returning 1 of your Digimon to the hand, gain 2 memory. [Main] [Once Per Turn] By placing the top card of this Digimon with the [Night Claw] or [Light Fang] trait as this Digimon's bottom