Ayara's Oathsworn + Beacon of Tomorrows + Clockspinning

Prerequisites

• Ayara's Oathsworn does not have summoning sickness and has exactly three +1/+1 counters on it.
• An opponent cannot block Ayara's Oathsworn.

Steps

1. 1Deal combat damage to an opponent using Ayara's Oathsworn.
2. 2Ayara's Oathsworn triggers, putting a +1/+1 counter on it and searching your library for Beacon of Tomorrows and putting it into your hand.
3. 3Cast Clockspinning with buyback by paying , removing a +1/+1 counter from Ayara's Oathsworn and returning Clockspinning to your hand.
4. 4Cast Beacon of Tomorrows by paying , causing you to take an extra turn after this one, and shuffle Beacon of Tomorrows into your library.
5. 5Repeat each turn.

Effects

• Infinite turns
• Lock