Fertilid + Tireless Provisioner + Roaring Earth + Spelunking

Prerequisites

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Steps

1. 1Activate 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 Spelunking.
2. 2When the basic land enters, Tireless Provisioner and Roaring Earth trigger.
3. 3Resolve the Tireless Provisioner trigger, creating a Treasure token.
4. 4Activate the Treasure by tapping and sacrificing it, adding .
5. 5Resolve the Roaring Earth trigger, putting a +1/+1 counter on Fertilid.
6. 6Activate the basic land by tapping it, adding .
7. 7Repeat.

Effects

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