Sporoloth Ancient, Evolution Sage, Life and Limb, and Primal Vigor

Prerequisites

• Sporoloth Ancient on the battlefield
• Evolution Sage on the battlefield
• Life and Limb on the battlefield
• Primal Vigor on the battlefield

Steps

1. Activate Sporoloth Ancient by removing two spore counters from it, creating two 1/1 Saproling creature tokens
2. The Saprolings enter the battlefield as Forest lands due to Life and Limb, triggering Evolution Sage twice
3. Resolve both Evolution Sage triggers, putting two spore counters on Sporoloth Ancient
4. Repeat

Results

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