Requires

Ayara's Oathsworn must be on the battlefield. Nexus of Fate must be in the library. Fain, the Broker must be on the battlefield. Ayara's Oathsworn and Fain do not have summoning sickness. Ayara's Oathsworn has exactly three +1/+1 counters on it. An opponent cannot block Ayara's Oathsworn. Mana needed: each turn

Steps

1. Deal combat damage to an opponent using Ayara's Oathsworn.
2. Ayara's Oathsworn triggers, putting a +1/+1 counter on it and searching your library for Nexus of Fate and putting it into your hand.
3. Activate Fain's second ability by tapping it and removing a +1/+1 counter from Ayara's Oathsworn, creating a Treasure token.
4. Activate the Treasure by tapping and sacrificing it, adding .
5. Cast Nexus of Fate by paying , causing you to take an extra turn after this one, and shuffle Nexus of Fate into your library.
6. Repeat each turn.

Results