Megidramon

＜Security A. +1＞ (This Digimon checks 1 additional security card.) [End of Attack] [Once Per Turn] Delete all Digimon. [On Deletion] You may play 1 play cost 3 or lower Digimon card with [Guilmon] or [Growlmon] in its name from your trash without paying the cost. For every 10 total cards in both players' trashes, add 2 to this effect's play cost maximum.

Alternate effect

[Digivolve] Lv.5 w/[Growlmon] in name: Cost 4