Fertilid, Tiller Engine, Tireless Provisioner, and Thranduil's Company

Prerequisites

• Fertilid on the battlefield
• Tiller Engine on the battlefield
• Tireless Provisioner on the battlefield
• Thranduil's Company on the battlefield
• available

Steps

1. Activate Fertilid by paying and removing a +1/+1 counter from it, causing you to search your library for a basic land card and put it on the battlefield untapped due to Tiller Engine
2. When the basic land enters, Tiller Engine, Tireless Provisioner and Thranduil's Company trigger
3. Resolve the Tiller Engine trigger, untapping the basic land
4. Resolve the Tireless Provisioner trigger, creating a Treasure token
5. Resolve the Thranduil's Company trigger, putting two +1/+1 counters on Fertilid
6. Activate the basic land by tapping it, adding
7. Activate the Treasure by tapping and sacrificing it, adding Repeat

Results

• Near-infinite landfall triggers
• Put all basic lands from your library onto the battlefield tapped