Exquisite Blood + Cliffhaven Vampire

Exquisite Blood
Cliffhaven Vampire

Requires
All permanents on the battlefield. You have a way to gain life.
Steps
  1. Gain life
  2. Cliffhaven Vampire triggers, causing each opponent to lose 1 life
  3. Exquisite Blood triggers for each opponent that lost life
  4. Resolve one of the Exquisite Blood triggers, gaining 1 life
  5. Repeat from step 2
Results
Infinite lifeloss. Infinite lifegain triggers.