you may digivolve 1 of your Digimon into a Digimon card in your hand that can digivolve for a digivolution cost of 3 or less without paying its digivolution cost
Set: Promotional Cards Card type: Digimon Rarity: Promotional Digi type: Unidentified Play Cost: 3 Form: Rookie Attribute: Unknown Digivolve Cost: 0 Digivolve Cost Level: 2 [Opponent's Turn] This Digimon gets +1000 DP
Set: X Record Card type: Digimon Rarity: Super Rare Digi type: Dragonkin/X Antibody Play Cost: 12 Form: Mega Attribute: Vaccine Digivolve Cost: 4 Digivolve Cost Level: 5 Digivolve: 1 from [WarGreymon][All Turns] When a card is removed from your opponent's security stack
reduce the memory cost of the digivolution by 1
0 Card type: Digimon Rarity: Uncommon Digi type: Machine Dragon Play Cost: 12 Form: Mega Attribute: Virus Digivolve Cost: 3 Digivolve Cost Level: 5 <Piercing> (When this Digimon attacks and deletes an opponent's Digimon and survives the battle, it performs any security checks it normally would
Nyaromon [ST10-01] (Judge Pack 2) [Starter Deck: Parallel World Tactician] BT5-005 you may digivolve 1 ofSet: Starter Deck: Parallel World Tactician Card type: Digi Egg Rarity: Promo Digi type: Lesser Form: In Training [When Attacking] If you have a yellow Digimon in play, [Draw 1]. (Draw 1 card from your deck.) If you do, trash 1 card in your hand.