Spike Feeder, and Heliod, Sun-Crowned

Prerequisites

• Spike Feeder on the battlefield
• Heliod, Sun-Crowned on the battlefield

Steps

1. Activate Spike Feeder's second ability, removing a +1/+1 counter from Spike Feeder and gaining 2 life
2. Target Spike Feeder with Heliod, Sun-Crown's ability, putting a +1/+1 counter on it
3. Repeat for infinite lifegain

Results

• Infinite lifegain
• Infinite lifegain triggers