[On Play] All of your opponent's Digimon gain <Security Attack -1> (This Digimon checks 1 fewer security card) until the end of your opponent's turn. If this card was played by [Trial of the Four Great Dragons]'s effect, all of your opponent's Digimon gain <Security Attack -2> (This Digimon checks 2 fewer security cards) until the end of your opponent's turn instead. [On Deletion] If you don't have [Four Great Dragons] in its traits in play, you may place 1 [Trial of the Four Great Dragons] from your hand in your battle area.