Agatha's Soul Cauldron, Servant of Tymaret, and Seeker of Skybreak

Prerequisites

• Agatha's Soul Cauldron on the battlefield
• Servant of Tymaret on the battlefield
• Seeker of Skybreak in exile

Steps

1. Activate Servant of Tymaret using Seeker of Skybreak's ability by tapping it, untapping Servant of Tymaret Servant of Tymaret triggers, causing each opponent to lose 1 life and you to gain that much life
2. Repeat

Results

• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss