Requires

Patron of the Moon must be on the battlefield. Nissa, Resurgent Animist must be on the battlefield. Rakdos Carnarium must be in hand. Mana needed:

Steps

1. Activate Patron of the Moon by paying , putting Rakdos Carnarium from your hand onto the battlefield tapped.
2. When Rakdos Carnarium enters the battlefield, it and Nissa trigger.
3. Resolve the Rakdos Carnarium trigger, returning it from the battlefield to your hand.
4. Resolve the Nissa trigger, adding .
5. Repeat.

Results