Lv.7 DeathXmon      BT20-082  SR
Mega | Virus | Unanalyzable/X Program

<Security A. +1>
<Reboot>
<Blocker>
[All Turns] When this Digimon would leave the battle area by effects, by returning 3 cards with [Dex] or [DeathX] in their names from your trash to the bottom of the deck, it doesn't leave. 
[End of All Turns] [Once Per Turn] Delete all Digimon with the lowest level.