Wight of the Reliquary, Retreat to Coralhelm, and Elfsworn Giant

Prerequisites

• Wight of the Reliquary on the battlefield
• Retreat to Coralhelm on the battlefield
• Elfsworn Giant on the battlefield

Steps

1. Activate Wight of the Reliquary by tapping it and sacrificing another creature, causing you to search your library for a land card and put it onto the battlefield tapped
2. When the land enters the battlefield, Elfsworn Giant and Retreat to Coralhelm trigger
3. Resolve the Elfsworn Giant trigger, creating a creature token
4. Resolve the Retreat to Coralhelm trigger, untapping Wight of the Reliquary
5. Repeat

Results

• Near-infinite landfall triggers
• Put all land cards from your library onto the battlefield tapped