Cryptic Trilobite, Heliod, Sun-Crowned, and Essence Depleter

Prerequisites

• Cryptic Trilobite on the battlefield
• Heliod, Sun-Crowned on the battlefield
• Essence Depleter on the battlefield
• available

Steps

1. Activate Essence Depleter by paying , causing target opponent to lose 1 life and gaining you 1 life
2. Heliod triggers, putting a +1/+1 counter on Trilobite
3. Activate Cryptic Trilobite's first ability by removing a +1/+1 counters, adding
4. Repeat

Results

• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss