Dina, Soul Steeper + Exquisite Blood

Dina, Soul Steeper
Exquisite Blood

Requires
Dina, Soul Steeper must be on the battlefield. Exquisite Blood must be on the battlefield. You have a way to gain life.
Steps
  1. Gain life.
  2. Dina triggers, causing each opponent to lose 1 life.
  3. Exquisite Blood triggers for each opponent that lost life this way.
  4. Resolve the first Exquisite Blood trigger, causing you to gain 1 life.
  5. Repeat from step 2.
Results
Infinite lifegain. Infinite lifegain triggers. Infinite lifeloss.