Sporemound, Perilous Forays, and Pitiless Plunderer

Prerequisites

• Sporemound on the battlefield
• Perilous Forays on the battlefield
• Pitiless Plunderer on the battlefield
• You control at least one additional creature
• available

Steps

1. Activate Perilous Forays by paying and sacrificing the additional creature, searching your library for a land card with a basic land type, put it on the battlefield tapped, and shuffle your library
2. The land enters the battlefield, triggering Sporemound and Pitiless Plunderer
3. Resolve the Sporemound trigger, creating a 1/1 Saproling creature token
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token
5. Activate the Treasure token by tapping and sacrificing it, adding
6. Repeat

Results

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