Mastemon

[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] or [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.

Ace Overflow ＜-4＞ (As this card moves from the field or under a card to an area other than those, lose 4 memory.)

[Alt]
[DNA Digivolve] Yellow Lv.5 + Purple Lv.5 : Cost 0
Stack the 2 specified Digimon and digivolve unsuspended.