Springheart Nantuko, Overlord of the Hauntwoods, Doubling Season, and Amulet of Vigor

Prerequisites

• Springheart Nantuko on the battlefield
• Overlord of the Hauntwoods on the battlefield
• Doubling Season on the battlefield
• Amulet of Vigor on the battlefield
• Overlord of the Hauntwoods does not have summoning sickness

Steps

1. Declare Overlord of the Hauntwoods as an attacker
2. Overlord of the Hauntwoods triggers, creating two tapped Everywhere land tokens
3. When the Everywhere tokens enter the battlefield, Amulet of Vigor and Springheart Nantuko trigger twice
4. Resolve both Amulet of Vigor triggers, untapping both Everywhere tokens
5. Holding priority, activate the Everywhere tokens by tapping them, adding
6. Resolve the first Springheart Nantuko trigger, choosing not to pay and create a 1/1 Insect creature token
7. Resolve the second Springheart Nantuko trigger, causing you to pay to create a token copy of Overlord of the Hauntwoods
8. When the Overlord of the Hauntwoods token enters the battlefield, it triggers, creating two tapped Everywhere land tokens
9. Repeat from step 3

Results

• Infinite ETB
• Infinite creature tokens
• Infinite landfall triggers
• Infinite colored mana
• Infinite Forest tokens
• Infinite Everywhere land tokens
• Infinite Plains tokens
• Infinite Island tokens
• Infinite Mountain tokens
• Infinite Swamp tokens