Prerequisites
- Kentaro, the Smiling Cat on the battlefield
- Cavern Harpy in hand
- Urza's Incubator on the battlefield
- Arcane Adaptation on the battlefield
- "Samurai" chosen with Urza's Incubator and Arcane Adaptation
Steps
- Cast Cavern Harpy by paying
- When Cavern Harpy enters the battlefield, it triggers, returning itself from the battlefield to your hand
- Repeat
Results
Required Cards 4
Kentaro, the Smiling Cat
Legendary Creature — Human Samurai
Cavern Harpy
Creature — Harpy Beast
Arcane Adaptation
Enchantment