Stone-Seeder Hierophant + Drownyard Temple + Lotus Vale + Zuran Orb

Stone-Seeder Hierophant

Drownyard Temple

Lotus Vale

Zuran Orb

How it works

1. Activate Lotus Vale by tapping it, adding 3.
2. Activate Stone-Seeder Hierophant by tapping it, untapping Lotus Vale.
3. Activate Drownyard Temple by paying 3, returning it from your graveyard to the battlefield tapped.
4. Drownyard Temple enters the battlefield, triggering Stone-Seeder Hierophant, untapping Stone-Seeder Hierophant.
5. Activate Zuran Orb by sacrificing Drownyard Temple, causing you to gain two life.
6. Repeat.