Color Identity: G

Initial Card State
- Riveteers Overlook in your graveyard.
- All other permanents on the battlefield.
Notable Prerequisites
- Viridian Longbow attached to Scaretiller.
- Scaretiller does not have summoning sickness.
Steps
- Activate Scaretiller by tapping it, targeting Cacophodon.
- Scaretiller triggers, returning Riveteers Overlook from your graveyard to the battlefield tapped.
- Riveteers Overlook enters the battlefield, triggering itself and Roaring Earth.
- Resolve the Roaring Earth trigger, putting a +1/+1 counter on Cacophodon.
- Resolve the Riveteers Overlook trigger, causing you to sacrifice it and search your library for a basic Mountain, Swamp or Forest and put it onto the battlefield tapped.
- If you put a land onto the battlefield this way, Roaring Earth triggers, putting a +1/+1 counter on a creature you control.
- Resolve the Scaretiller ability from step 1, dealing 1 damage to Cacophodon.
- Cacophodon triggers, untapping Scaretiller.
- Repeat.
Results
- Infinite +1/+1 counters on a creature.
- Infinite landfall triggers.
- Put all basic Swamps, Forests, and Mountains from your library onto the battlefield.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).