Betamon

[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.

Inherited effect

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.