Coastal Hornclaw + Emeria Shepherd + Thermopod + World Shaper

RGWU identity

Commander legal

The 4 combo pieces

• Coastal Hornclaw
• Emeria Shepherd
• Thermopod
• World Shaper

How to execute it

1. Activate Coastal Hornclaw by sacrificing a land.
2. Repeat step 1 until you control no lands.
3. Activate Thermopod by sacrificing World Shaper.
4. When World Shaper dies, it triggers, return all lands from your graveyard to the battlefield tapped.
5. When the lands enter, Emeria Shepherd triggers that many times.
6. Resolve an Emeria Shepherd trigger that was triggered by a Plains, returning World Shaper from your graveyard to the battlefield.
7. Resolve all remaining Emeria Shepherd triggers.
8. Repeat

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite red mana
• Infinite sacrifice triggers
• Infinite self-mill
• Return all nonland permanents from your graveyard to the battlefield