Springheart Nantuko, Overlord of the Hauntwoods, Doubling Season, and Stone-Seeder Hierophant

Prerequisites

• Springheart Nantuko on the battlefield
• Overlord of the Hauntwoods on the battlefield
• Doubling Season on the battlefield
• Stone-Seeder Hierophant on the battlefield
• Stone-Seeder Hierophant does not have summoning sicknes
• 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, Springheart Nantuko and Stone-Seeder Hierophant each trigger twice
4. Resolve the first Stone-Seeder Hierophant trigger, untapping it
5. Holding priority, activate Stone-Seeder Hierophant by tapping it, untapping an Everywhere token
6. Repeat from step 4 for the other Stone-Seeder Hierophant trigger
7. Holding priority, activate the Everywhere tokens by tapping them, adding
8. Resolve the first Springheart Nantuko trigger, choosing not to pay and creating two 1/1 Insect creature tokens
9. Resolve the second Springheart Nantuko trigger, causing you to pay to create two token copies of Overlord of the Hauntwoods
10. When the Overlord of the Hauntwoods tokens enters the battlefield, they trigger
11. Resolve the first trigger, creating two tapped Everywhere land tokens
12. 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