Drownyard Temple + Squandered Resources + Amulet of Vigor + Nissa, Resurgent Animist

Drownyard Temple

Squandered Resources

Amulet of Vigor

Nissa, Resurgent Animist

How it works

1. Activate Drownyard Temple's first ability by tapping it, adding C.
2. Activate Squandered Resources by sacrificing Drownyard Temple, adding C.
3. Activate Drownyard Temple's second ability by paying 3, returning it from your graveyard to the battlefield tapped.
4. When Drownyard Temple enters the battlefield, Nissa and Amulet of Vigor trigger.
5. Resolve the Nissa trigger, adding 1.
6. Resolve the Amulet of Vigor trigger, untapping Drownyard Temple.
7. Repeat.