Suijinmon BT9-029

Effect: [Hand][Main] If you have a Digimon with [Justimon] or [Raidenmon] in its name in play, you may pay 1 memory to place this card under that Digimon as its bottom digivolution card.[When Digivolving] You may trash 1 Digimon card with [Machine] or [Cyborg] in its traits in your hand to place 1 of your opponent’s level 4 or lower Digimon at the bottom of its owner's deck.
Inherited Effect: [When Attacking] Return 1 of your opponent’s level 4 or lower Digimon to its owner’s hand.