No wonder WotC soon had to take momentous steps like re-writing the companion mechanic and outright banning Lurrus in Vintage
Adjacent colors (like green and white) tend to have a lot in common, but their other allies are enemies (green is allied with red, which is enemies with whites ally, blue)
It's therefore clearly not worked, but has turned much of the community against the developer
BT9-016 SR Digimon Lv.6 WarGreymon (X Antibody) Color Red Cost 12 DP 12000 Digivolve Cost 1 Red 4 from Lv.5 Form Mega Attribute Vaccine Type Dragonkin/X Antibody Card Text 1 [Special Digivolution Condition] [Digivolve] 1 from [WarGreymon] [Effect] [All Turns] When a card is removed from your opponents security stack, gain 1 memory
Slim the deck down to focus on milling cards, controlling the board with planeswalkers, or generating huge mana to activate Lorthos ability
Highly recommended for old MTG heads like me