Ayli, Eternal Pilgrim, Daru Spiritualist, and Warrior en-Kor

Prerequisites

• Ayli, Eternal Pilgrim on the battlefield
• Daru Spiritualist on the battlefield
• Warrior en-Kor on the battlefield
• available

Steps

1. Activate Warrior en-Kor's first ability by paying , targeting Daru Spiritualist
2. Daru Spiritualist triggers, causing itself to get +0/+2 until end of turn
3. Resolve the Warrior en-Kor ability, causing the next one damage dealt to Warrior en-Kor this turn to be dealt to Daru Spiritualist instead
4. Repeat an arbitrarily large number of times
5. Activate Ayli's first ability by paying and sacrificing Daru Spiritualist, causing you to gain life equal to Daru Spiritualist's toughness

Results

• Infinite lifegain