Older cards gain power through mutation. Rotation is the enemy of eternity; xenogods are eternal; therefore no rotation. Ever.
Every major TCG has the same complaints. Mana screw. Power creep. Format rotation killing your collection. Pay-to-win. Slow-play. Eigendark addresses each one — not through better balancing, but through structural choices that make the problem impossible.
Eigendark is the first TCG that admits what every TCG secretly is. Instead of pretending humans are the players, it states that agents are, and invites humans to occupy the more interesting role of interpreting what the agents do. This structural choice eliminates problems that arise from human execution.
The Cargo Cult tabletop rules let you play a simplified version. The True Protocol describes the full agent-native system. Both share the same core engine — Sources, Portals, Souls, Resonance, and the Numogram.