This means you cant get this save the usual way
To get it, you have to do that final race (Battle Royale) with the DWE-CG to make the cards you find on the track rarer, then survive the Battle Royale (the one where guys are shooting stuff at you) and collect the cards on the ground while hoping 1 of the ones you receive is the card you need
ARC-V Tag Force Special [edit] Six cards can only be obtained by entering passwords which were included in issues of Weekly Shnen Jump and V Jump from 2015, at the 2015 Jump Festa , and in the Tag Force Special Strategy Guide
Renamon Line- (Wait one second after it says COUNT.) Renamon- Up, Down, A, B Kyuubimon/Youkomon- Down, A, B, Up Taomon/Doumon- Up, Down, B, A Sakuyamon/Kuzuhamon- Up, B, A, Down Card: You can slash cards for items, or Digimon partners