Sage of Hours + Clearwater Goblet + Lathiel, the Bounteous Dawn

Sage of Hours

Clearwater Goblet

Lathiel, the Bounteous Dawn

How it works

1. At the beginning of your upkeep, Clearwater Goblet triggers, causing you to gain at least five life.
2. At the beginning of your end step, Lathiel triggers, putting at least five +1/+1 counters on Sage of Hours.
3. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
4. Repeat each turn.