Deadeye Navigator + Prosperous Innkeeper + Elspeth, Storm Slayer

Deadeye Navigator

Prosperous Innkeeper

Elspeth, Storm Slayer

How it works

1. Activate Prosperous Innkeeper by paying 1, blinking it.
2. When Prosperous Innkeeper enters, it and Deadeye Navigator's soulbond ability trigger
3. Resolve the Deadeye Navigator trigger, repairing it and Prosperous Innkeeper.
4. Resolve the Prosperous Innkeeper trigger, creating two Treasure tokens.
5. Activate both Treasures by tapping and sacrificing them, adding 1.
6. Repeat.