Kiki-Jiki, Mirror Breaker + Carrion Feeder + Lumbering Battlement

Kiki-Jiki, Mirror Breaker

Carrion Feeder

Lumbering Battlement

How it works

1. Activate Kiki-Jiki by tapping it, creating a token copy of Lumbering Battlement.
2. When the Lumbering Battlement token enters the battlefield, it triggers, exiling Kiki-Jiki until Lumbering Battlement leaves the battlefield.
3. Activate Carrion Feeder by sacrificing the Lumbering Battlement token.
4. When the Lumbering Battlement token dies, Kiki-Jiki is returned from exile to the battlefield.
5. Resolve the Carrion Feeder ability.
6. Repeat.

This infinite loop is masterminded by Kiki-Jiki, Mirror Breaker, which uses its tapping ability to churn out a token copy of Lumbering Battlement. As soon as that Lumbering Battlement token enters the battlefield, its triggered ability snaps up Kiki-Jiki into exile, neatly setting the stage to retrieve the goblin once the token leaves play. That is where Carrion Feeder comes in as the sacrificial outlet; by feeding the Lumbering Battlement token to Carrion Feeder, you trigger the release of Kiki-Jiki back to the battlefield while permanently growing Carrion Feeder with a +1/+1 counter. Because Kiki-Jiki loses its "summoning sickness" haste restriction the moment it returns fresh from exile, you can immediately repeat the entire sequence to generate infinite sacrifices, deaths, and towering growth for your team.