DeathXmon

＜Security A. +1＞ (This Digimon checks 1 additional security card.)
＜Reboot＞ (Unsuspend this Digimon during your opponent's unsuspend phase.)
＜Blocker＞ (This Digimon can block in the blocker timing.)
[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.