Prerequisites
- Kiki-Jiki, Mirror Breaker on the battlefield
 - Lightning Crafter in hand
 - Mirror Room // Fractured Realm on the battlefield
 available
Steps
- Cast Lightning Crafter by paying 
 - When Lightning Crafter enters the battlefield, its champion ability triggers twice
 - Holding priority, activate Kiki-Jiki by tapping it, creating a token copy of Lightning Crafter with haste
 - When the Lightning Crafter token enters the battlefield, its champion ability triggers twice
 - Holding priority, activate the Lightning Crafter token by tapping it, dealing 3 damage to any target
 - Resolve the first champion trigger, exiling Kiki-Jiki
 - Resolve the second champion trigger, exiling the Lightning Crafter token
 - When the Lightning Crafter token leaves the battlefield, it triggers, returning Kiki-Jiki from exile to the battlefield
 - Repeat from step 3
 
Results
Required Cards 3

Kiki-Jiki, Mirror Breaker
Legendary Creature — Goblin Shaman

Lightning Crafter
Creature — Goblin Shaman

Mirror Room // Fractured Realm
Enchantment — Room // Enchantment — Room