Rules FAQ
You can only initiate reactions once per triggering condition, so Tithe Collector can only gain power once per round.
Ally. The Seven.
Reaction: After you collect income, pay 2 gold to have Tithe Collector gain 1 power.
+1 Income.
Link: Decklists
Rules FAQ
You can only initiate reactions once per triggering condition, so Tithe Collector can only gain power once per round.