Fertilid + Felidar Retreat + Lotus Cobra + 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, Lotus Cobra and Felidar Retreat trigger.
3. 3Resolve the Lotus Cobra trigger, adding .
4. 4Resolve the Felidar Retreat trigger, putting a +1/+1 counter on Fertilid.
5. 5Activate the basic land by tapping it, adding .
6. 6Repeat.

Effects

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