Daru Spiritualist, Spirit en-Kor, and Worthy Cause

Prerequisites

• Daru Spiritualist on the battlefield
• Spirit en-Kor on the battlefield
• Worthy Cause in hand
• available

Steps

1. Activate Spirit 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 Spirit en-Kor ability, causing the next one damage dealt to Spirit en-Kor this turn to be dealt to Daru Spiritualist instead
4. Repeat an arbitrarily large number of times
5. Cast Worthy Cause by paying and sacrificing Daru Spiritualist, causing you to gain life equal to Daru Spiritualist's toughness

Results

• Infinite lifegain