Springbloom Druid, Springheart Nantuko, and Archelos, Lagoon Mystic

Prerequisites

• Springbloom Druid on the battlefield
• Springheart Nantuko on the battlefield
• Archelos, Lagoon Mystic on the battlefield
• available

Steps

1. Play a land
2. When the land enters, Springheart Nantuko triggers, causing you to pay to create a token copy of Springbloom Druid
3. When the Springbloom Druid token enters, it triggers, causing you to sacrifice a land, then search your library for a basic Forest and another basic land and put them onto the battlefield untapped due to Archelos When the basic lands enter, Springheart Nantuko triggers twice
4. Holding priority, activate both lands by tapping them, adding
5. Resolve the first Springheart Nantuko trigger, choosing not to pay and creating a 1/1 Insect creature token
6. Resolve the second Springheart Nantuko trigger, causing you to pay to create a token copy of Springbloom Druid
7. Repeat from step 3 until your library contains no basic lands

Results

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