Marinebullmon BT19-024

Effect: ＜Decode (Blue Lv.4)＞ (When this Digimon would leave the battle area other than in battle, you may play 1 Blue Level 4 Digimon card from its digivolution cards without paying the cost)._x000D_
[On Play] [When Digivolving] You may place 1 Digimon card with [Aqua]/[Sea Animal] in any of its traits from your hand as 1 of your Digimon’s bottom digivolution card.

Inherited Effect: [End of Attack] [Once Per Turn] You may play 1 level 4 or lower Digimon card with [Aqua]/[Sea Animal] in any of its traits from this Digimon’s digivolution cards without paying the cost.