Requires

Polukranos, Unchained must be on the battlefield. Sage of Hours must be on the battlefield. The Ozolith must be on the battlefield. Mimic Vat must be on the battlefield. You have a way to kill Polukranos. Mana needed: each turn

Steps

1. Kill Polukranos, triggering Mimic Vat's imprint ability and The Ozolith's first ability.
2. Resolve the Mimic Vat trigger, exiling Polukranos.
3. Resolve the The Ozolith trigger, putting six +1/+1 counters on it.
4. Activate Mimic Vat by paying and tapping it, creating a token copy of Polukranos with haste that enters with six +1/+1 counters on it.
5. At the beginning of combat on your turn, The Ozolith's second ability triggers, putting all counters on The Ozolith onto Sage of Hours.
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, Mimic Vat triggers, exiling the Polukranos token.
8. The Polukranos token leaves the battlefield, triggering The Ozolith, putting six +1/+1 counters on The Ozolith.
9. Repeat from step 4 each turn.

Results