Daru Spiritualist, Leonin Shikari, Grafted Wargear, and Starlit Sanctum

Prerequisites

• Daru Spiritualist on the battlefield
• Leonin Shikari on the battlefield
• Grafted Wargear on the battlefield
• Starlit Sanctum on the battlefield
• undefined available

Steps

1. Activate Grafted Wargear's equip ability by paying , targeting Daru Spiritualist
2. Daru Spiritualist triggers, causing itself to get +0/+2 until end of turn
3. Holding priority, repeat from step 1 an arbitrarily large number of times
4. Activate Starlit Sanctum's second ability by paying , tapping it and sacrificing Daru Spiritualist, causing you to gain life equal to Daru Spiritualist's toughness

Results

• Infinite lifegain