Higure, the Still Wind + Timestream Navigator + Maskwood Nexus

Higure, the Still Wind

Timestream Navigator

Maskwood Nexus

How it works

1. Activate Timestream Navigator by paying 2, tapping it and putting it on the bottom of your library, causing you to take an extra turn after this one.
2. If needed, activate Higure by paying 2, causing it to be unblockable this turn.
3. Deal combat damage to an opponent using Higure.
4. Higure triggers, causing you to search your library for Timestream Navigator and put it into your hand.
5. Cast Timestream Navigator by paying 1.
6. Repeat each turn.