Kykar, Wind's Fury, Bishop of Wings, and Xenograft

Prerequisites

• Kykar, Wind's Fury on the battlefield
• Bishop of Wings on the battlefield
• Xenograft on the battlefield
• An additional Spirit on the battlefield
• "Angel" chosen with Xenograft

Steps

1. Sacrifice a Spirit to Kykar's ability, gaining
2. Bishop of Wings triggers, creating a 1/1 Spirit token
3. When the token ETB, Bishop of Wings triggers again, gaining you 4 life
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite red mana
• Infinite sacrifice triggers