Kiki-Jiki, Mirror Breaker + Phyrexian Altar + Mardu Siegebreaker

Kiki-Jiki, Mirror Breaker

Phyrexian Altar

Mardu Siegebreaker

How it works

1. Activate Kiki-Jiki by tapping it, creating a token copy of Mardu Siegebreaker.
2. When the Mardu Siegebreaker token enters the battlefield, it triggers, exiling Kiki-Jiki until Mardu Siegebreaker leaves the battlefield.
3. Activate Phyrexian Altar by sacrificing the Mardu Siegebreaker token, adding one mana of any color.
4. When the Mardu Siegebreaker token dies, Kiki-Jiki is returned from exile to the battlefield.
5. Repeat.