X Antibody Proto Form (Gold Border) #EX5-070

While you have a Digimon, you can ignore this card's color requirements.
[Security] Add this card to the hand.
[Main] 1 of your Digimon without [X Antibody] in its digivolution cards may digivolve into a Digimon card with the [X Antibody] trait in the hand with the digivolution cost reduced by 1. If this effect digivolved, place this card as its bottom digivolution card.
[Rule] Name: Also treated as [X Antibody].

[All Turns] When this Digimon would leave the battle area other than by your effects, from its digivolution cards, return 1 Digimon card to the hand and place 1 [X Antibody] as your top security card.