When one of your Digimon with a Tamer card in its digivolution cards digivolves into this card in your hand, reduce the memory cost of the digivolution by 2. [When Attacking] You may return 1 card with [Hybrid] in its traits from this Digimon s digivolution cards to your hand to return 1 of your opponent s level 4 or lower Digimon to its owner s hand. Trash all of the digivolution cards of that Digimon.