BT18-071 ShadowSeraphimon ACE Single

Effect [Digivolve] [Seraphimon]: Cost 1/[Sephirothmon] w/[Mercurymon] in digivolution cards: Cost 4
[Hand] [Counter] ＜Blast Digivolve＞
＜Blocker＞
[On Play] [When Digivolving] ＜De-Digivolve 3＞ 1 of your opponent's Digimon.
[All Turns] [Once Per Turn] When attack targets change, 1 of your opponent's Digimon gets -5000 DP for the turn.
(Rule) Trait: Has [Three Great Angels].Inherited Effect＜Overflow (-4)＞ (As this card moves from the field or under a card to an area other than those, lose 4 memory.)Security Effect-