Fastbond, Coastal Hornclaw, and Crucible of Worlds

Prerequisites

• Fastbond on the battlefield
• Coastal Hornclaw on the battlefield
• Crucible of Worlds on the battlefield

Steps

1. Activate Coastal Hornclaw by sacrificing a land
2. Play the land from your graveyard
3. Repeat

Results

• Infinite landfall triggers
• Infinite mana lands you control that enter the battlefield untapped can produce