Mastemon ACE

[[DNA Digivolve] yellow Lv.5 + purple Lv.5 : Cost 0]
[Hand] [Counter] [Blast DNA Digivolve ([Angewomon] + [LadyDevimon])] (1 of your specified Digimon and 1 specified card in hand may DNA digivolve into this card.)
[On Play] [When Digivolving] You may play 1 level 5 or lower Digimon card with the [Angel]/[Archangel]/[Fallen Angel] trait from your hand or trash without paying the cost. Then, if DNA digivolving, place 1 other Digimon at the bottom of its owner's security stack, and trash cards from the top of your opponent's security stack until it has 4 left.

Overflow "-4" (As this card moves from the battle area or under a card to another area, lose 4 memory.)