Gallantmon X Deck
2 Memory is all you need, move stack to Battle Area, make sure that your opponent has something that is below 6000 DP on the board so you can actually delete it with effects.
WarGrowlmon (X Antibody) (BT9-014) -> Mark up to 2 opponent digimon, Growlmon (X Antibody) (BT9-011) can add 1000 to the effect, Guilmon (X Antibody) (BT9-009) add another 1000. Now you can delete up to 2 opponent digimons with 8000 DP, if you get to delete 1 thing you get 1 Memory + Growlmon (ST7-05) effect gives 1 Memory a total of 4 memory. At this stage make sure opponent has no digimon on board.
Swing to security, if opponent field is empty Gallantmon (ST7-09) gains +3000 DP, total 3 security checks.
Pay 1 Memory, digivolve Gallantmon (ST7-09) to Gallantmon (X Antibody) (BT9-017) there is nothing to delete, you can unsuspend Gallantmon (X Antibody) (BT9-017) now you can swing for 2 security checks thanks to WarGrowlmon (ST7-08) effect.
Finish the game with Omnimon (BT5-086).
You have 1 Memory.
You have 3 Memory
You have 6 Memory
Swing for 3 checks.
If opponent has 10 in trash digivolve Gallantmon (X Antibody) (BT9-017) to Gallantmon Crimson Mode (EX2-073). Give opponent 4 Memory, Gallantmon Crimson Mode (EX2-073) gain Blitz thanks to Takato Matsuki (EX2-056) thrash 2 security with Gallantmon Crimson Mode (EX2-073) and swing for game.