Leopardmon

[When Digivolving] You may play 1 level 4 or lower digivolution card of 1 of your Digimon cards as another Digimon without paying its memory cost. [Your Turn] All of your level 4 or lower Digimon gain ＜Jamming＞ (This Digimon can't be deleted in battles against Security Digimon.).