Bloodthirsty Conqueror, and Defiant Bloodlord

Prerequisites

• Bloodthirsty Conqueror on the battlefield
• Defiant Bloodlord on the battlefield
• You have a way to gain life

Steps

1. Gain life
2. Defiant Bloodlord triggers, causing an opponent to lose 1 life
3. Bloodthirsty Conqueror triggers, causing you to gain 1 life
4. Repeat from step 2

Results

• Infinite lifegain triggers
• Infinite lifeloss
• Infinite lifegain