Requires

Feather, the Redeemed must be on the battlefield. Sage of Hours must be on the battlefield. Increasing Savagery must be in hand. Mana needed: each turn

Steps

1. Cast Increasing Savagery by paying , targeting Sage of Hours.
2. Sage of Hours and Feather trigger.
3. Resolve the Sage of Hours trigger, putting a +1/+1 counter on it.
4. Resolve the Feather trigger, causing you to exile Increasing Savagery as it resolves.
5. Resolve Increasing Savagery, putting five +1/+1 counters on Sage of Hours and exiling Increasing Savagery.
6. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
7. At the beginning of your end step, Feather triggers, returning Increasing Savagery from exile to your hand.
8. Repeat each turn.

Results