Mastemon

Level 3 Digimon

• 4 Salamon (BT16-030): Primary rookie; recurs level 4s from trash and virtually inflates level 4s by doing so.
• 2 Patamon (BT14-033): Secondary rookie; whiffs a lot, but is insane, when it hits; just 2 since second copy almost always whiffs.

Level 4 Digimon & Searchers

• 4 Gatomon (ST10-04): Primary searcher; triggers only when hard-played; optimal base because of cost reduction.
• 4 Gatomon (EX6-020): Secondary searcher; triggers also when digivolved; also finds Mirei.
• 4 Amber Memory Boost (LM-035): Additional searcher; boosts consistency.
• 2 Gatomon (BT16-031): additional recursion; combos great with EX6 Mirei and BT11 LadyDevimon.

Level 5 Digimon

• 4 Angewomon (EX6-022): Primary opener; cheats Mirei out.
• 4 LadyDevimon (BT11-083): Additional recursion; combos great with EX6 Mirei and BT16 Gatomon.
• 3 Angewomon (BT11-042): Boosts consistency; grants Blocker ability.
• 3 LadyDevimon (EX6-053): Boosts consistency; additional removal.

Level 6 Digimon

• 4 Mastemon (EX6-029): Primary top end; best removal and swarms the board.
• 2 Mastemon (ST10-06): Secondary top end; good removal, additional recursion and swarms the board better.

Tamers

• 3 Mirei Mikagura (EX6-074): Additional recursion.
• 3 Mirei Mikagura (BT11-094): Enables explosive comebacks and openers.

Chaos Degradation

• 4 Chaos Degradation (ST10-14): Best removal, security bomb.

Digitama

• 4 Nyaromon (BT15-003): Enables Salamon and Patamon; can move cards from security to trash.
• 1 Nyaromon (BT2-003): Enables Salamon and Patamon.