Cloudstone Curio + Planebound Accomplice + Chandra, Novice Pyromancer

Cloudstone Curio

Planebound Accomplice

Chandra, Novice Pyromancer

How it works

1. Use to activate Planebound Accomplice, putting Chandra on to the battlefield.
2. Return the other planeswalker to hand with the Curio trigger.
3. Use Chandra's -1 ability to add .
4. Use to activate Planebound Accomplice, putting the first planeswalker on to the battlefield.
5. Return Chandra to hand with the Curio trigger.