Perilous Forays, Earthcraft, and Felidar Retreat

Prerequisites

• Perilous Forays on the battlefield
• Earthcraft on the battlefield
• Felidar Retreat on the battlefield
• You control at least one additional creature, and at least one basic land

Steps

1. Activate a basic land by tapping it, adding
2. Activate Perilous Forays by paying and sacrificing another creature, searching your library for a land with a basic land type and put it onto the battlefield tapped
3. When the land enters the battlefield, Felidar Retreat triggers, creating a 2/2 Cat Beast creature token
4. Activate Earthcraft by tapping the Cat Beast, untapping the basic land
5. Repeat

Results

• Put all lands with a basic land type from your library onto the battlefield tapped