Witherbloom, the Balancer, and Sprout Swarm

Prerequisites

• Witherbloom, the Balancer on the battlefield
• Sprout Swarm in hand
• at most available

Steps

1. Cast Sprout Swarm with buyback by paying due to its affinity for creatures, creating a 1/1 Saproling creature token and returning Sprout Swarm to your hand
2. Cast Sprout Swarm by paying due to its affinity for creatures and tapping the Saproling, creating a 1/1 Saproling creature token and returning Sprout Swarm to your hand
3. Repeat step 2

Results

• Infinite ETB
• Infinite magecraft triggers
• Infinite storm count
• Infinite tapped creature tokens