Official rule text
81.8 STEP 8—RETURN STRATEGY CARDS: Each player returns their strategy card to the common play area. Then, if a player has removed the custodians token from Mecatol Rex, the game round continues to the agenda phase. Otherwise, a new game round begins with the strategy phase. RELATED TOPICS: Action Cards, Agenda Phase, Custodians Token,
View official source
Source: Living Rules Reference and FAQ - Prophecy of Kings
Expansion: Prophecy of Kings
Version: 2.0
Reference: Rule 81.8