MTG >Combos >Citadel Siege +Sage of Hours +Ajani, Mentor of Heroes +

With all cards in play and Citadel Siege choosing Khans, use Ajani's ability to place 3 counters on Sage of Hours. In the combat phase, put 2 more counters on Sage of Hours with Citadel Siege Remove five Sage of Hours counters to play an extra turn. Repeat the process for infinite turns.