Betamon (X Antibody) #P - 214

[[Digivolve] [Betamon]/[ModokiBetamon]: Cost 0]
[Decode "[Betamon]/[Modoki Betamon]"]
[On Play] [When Digivolving] By placing this Digimon as the bottom digivolution card of any of your other Digimon with [Seadramon] in their texts, return 1 of your opponent's Digimon with as high a level as 1 of your [Seadramon] text Digimon or lower to the bottom of the deck.

[All Turns] When this Digimon with [Seadramon] in its text would leave the battle area by your opponent's effects, by trashing 2 same-level cards in its digivolution cards, it doesn't leave.