Ayara's Oathsworn + Nexus of Fate + Hex Parasite

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 Nexus of Fate and putting it into your hand.
3. 3Activate Hex Parasite by paying , removing a +1/+1 counter from Ayara's Oathsworn and giving Hex Parasite +1/+0 until end of turn.
4. 4Cast Nexus of Fate by paying , causing you to take an extra turn after this one, and shuffle Nexus of Fate into your library.
5. 5Repeat each turn.

Effects

• Infinite turns
• Lock