Llanowar Scout, Rakdos Carnarium, and Elven Raft-Steerer

Prerequisites

• Llanowar Scout on the battlefield
• Rakdos Carnarium in hand
• Elven Raft-Steerer on the battlefield

Steps

1. Activate Llanowar Scout by tapping it, putting Rakdos Carnarium from your hand onto the battlefield
2. When Rakdos Carnarium enters the battlefield, it and Elven Raft-Steerer trigger
3. Resolve the Rakdos Carnarium trigger, returning itself from the battlefield to your hand
4. Resolve the Elven Raft-Steerer trigger, untapping Llanowar Scout
5. Repeat

Results

• Infinite landfall triggers