Boltmon

When this card would be played, if [Nightmare Soldiers] is face-up in your security stack, reduce the play cost by 4. ＜Blocker＞ (This Digimon can block in the blocker timing.) [When Digivolving] [On Deletion] ＜De-Digivolve 1＞ 1 of your opponent's Digimon. (Trash the top card. You can't trash past level 3 cards.) Then, delete 1 of their level 4 or lower Digimon.

Alternate effect

[Digivolve] Lv.5 w/[NSo] trait: Cost 3 [DNA Digivolve] Black/Yellow Lv.5 + Purple/Red Lv.5 : Cost 0 Stack the 2 specified Digimon and digivolve unsuspended.