Lumra, Bellow of the Woods + Mirrorpool + Spelunking + Sylvan Safekeeper

Prerequisites

• Other lands you control can tap to produce at least .

Steps

1. 1Activate any number of other lands by tapping them, adding at least .
2. 2Activate Sylvan Safekeeper by sacrificing a land except Mirrorpool.
3. 3Repeat step 2 until you control no lands except Mirrorpool.
4. 4Activate Mirrorpool's third ability by paying , tapping and sacrificing it, creating a token copy of Lumra.
5. 5Put the Lumra token into your graveyard due to the legend rule.
6. 6The Lumra token's enters-the-battlefield ability triggers, causing you to mill four cards and return all land cards from your graveyard to the battlefield untapped due to Spelunking.
7. 7Repeat.

Effects

• Infinite card draw
• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite mana lands you control can produce
• Infinite self-mill
• Put all land cards from your library and graveyard onto the battlefield