Tai Kamiya (Digimon Animation Series 25th Anniversary Set) #BT1-085

[Start of Your Turn] If you have 2 or less memory, set your memory to 3.
[Your Turn] All of your red Digimon with 4 or more digivolution cards gain [Security Attack +1] (This Digimon checks 1 additional security card).

[Security] Play this card without paying its memory cost.