Prerequisites
- Kiki-Jiki, Mirror Breaker on the battlefield
- Gigantoplasm on the battlefield
Steps
- Activate Kiki-Jiki by tapping it, creating a token copy of Gigantoplasm that has haste
- Choose to have Gigantoplasm enter as a copy of Kiki-Jiki
- Put the oldest Kiki-Jiki into the graveyard due to the legend rule
- Repeat step 1 using the Gigantoplasm token instead
Results
Required Cards 2

Kiki-Jiki, Mirror Breaker
Legendary Creature — Goblin Shaman

Gigantoplasm
Creature — Shapeshifter