Springheart Nantuko + Mutable Explorer + Tireless Provisioner + Horizon Explorer

Prerequisites

• You have a land card in hand.
• You are able to play a land this turn.

Steps

1. 1Play a land.
2. 2When the land enters, Springheart Nantuko triggers, causing you to pay to create a token copy of Mutable Explorer.
3. 3When the Mutable Explorer token enters, it triggers, creating a Mutavault land token that enters untapped due to Horizon Explorer.
4. 4When the Mutavault token enters, Springheart Nantuko and Tireless Provisioner trigger.
5. 5Holding priority, activate the Mutavault token by tapping it, adding .
6. 6Resolve the Tireless Provisioner trigger, creating a Treasure token.
7. 7Holding priority, activate the Treasure by tapping and sacrificing it, adding .
8. 8Resolve the Springheart Nantuko trigger, causing you to pay to create a token copy of Mutable Explorer.
9. 9Repeat from step 3.

Effects

• Infinite creature ETB
• Infinite creature tokens
• Infinite landfall triggers
• Infinite tapped Mutavault land tokens