Evolution Sage, Life and Limb, Sporoloth Ancient, and Thallid Shell-Dweller

Prerequisites

• Evolution Sage on the battlefield
• Life and Limb on the battlefield
• Sporoloth Ancient on the battlefield
• Thallid Shell-Dweller on the battlefield
• Either Sporoloth Ancient or Thallid Shell-Dweller has at least three spore counters on it, with the other having at least two spore counters on it

Steps

1. Activate either Thallid Shell-Dweller or Sporoloth Ancient by removing two spore counters from it, creating a 1/1 Saproling creature token
2. When the Saproling enters the battlefield as a Forest land due to Life and Limb, Evolution Sage triggers, putting a spore counter on Thallid Shell-Dweller and Sporoloth Ancient
3. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers
• Infinite proliferate