Lampmon (BT12-044 U) [Across Time]

[When Digivolving] Until the end of your opponent's turn, 1 of your opponent's Digimon gains [Security Attack -2]. (This Digimon checks 2 fewer security cards.) [Your Turn] This Digimon gains [Security Attack +1] (This Digimon checks 1 additional security card) for each of your opponent's Digimon with [Security Attack].