Marath, Will of the Wild, Doubling Season, and Earthcraft

Prerequisites

• Marath, Will of the Wild on the battlefield
• Doubling Season on the battlefield
• Earthcraft on the battlefield

Steps

1. Activate a basic land by tapping it, adding
2. Activate Marath by paying and removing a +1/+1 counter from it, creating two 1/1 Elemental creature tokens
3. Activate Earthcraft by tapping an Elemental, untapping a basic land
4. Activate a basic land by tapping it, adding
5. Activate Earthcraft by tapping an Elemental, untapping a basic land
6. Activate Marath by paying and removing a +1/+1 counter from itself, putting two +1/+1 counters on itself
7. Repeat

Results

• Infinite ETB
• Infinite tapped creature tokens