Springheart Nantuko, Mutable Explorer, Tireless Provisioner, and Anointed Procession

Prerequisites

• Springheart Nantuko on the battlefield
• Mutable Explorer on the battlefield
• Tireless Provisioner on the battlefield
• Anointed Procession on the battlefield
• available

Steps

1. Play a land
2. When the land enters, Springheart Nantuko triggers, causing you to pay to create two token copies of Mutable Explorer
3. When the Mutable Explorer tokens enter, they trigger
4. Resolve the first Mutable Explorer trigger, creating two Mutavault land tokens that enters tapped
5. When the Mutavault tokens enter, Springheart Nantuko and Tireless Provisioner each trigger twice
6. Resolve the Tireless Provisioner triggers, creating two Treasure tokens
7. Holding priority, activate the Treasures by tapping and sacrificing them, adding
8. Resolve the Springheart Nantuko trigger, causing you to pay to create two token copies of Mutable Explorer
9. Repeat from step 3

Results

• Infinite ETB
• Infinite colorless mana
• Infinite creature tokens
• Infinite landfall triggers
• Infinite Mutavault land tokens