Requires

Thousand-Faced Shadow must be in hand. Cloudstone Curio must be on the battlefield. Peregrine Drake must be on the battlefield. You control at least one other creature that can attack this turn. You control up to five lands that can tap to produce at least . Peregrine Drake does not have summoning sickness. An opponent is unable to block and kill creatures you control.

Steps

1. Declare Peregrine Drake and any other creature as attackers.
2. When they are unblocked, activate up to five lands you control by tapping them, adding at least .
3. Activate Thousand-Faced Shadow's ninjutsu ability by paying and returning the other attacking creature to your hand, putting Thousand-Faced Shadow from your hand onto the battlefield tapped and attacking.
4. Thousand-Faced Shadow enters the battlefield, triggering itself and Cloudstone Curio.
5. Resolve the Cloudstone Curio trigger, choosing not to return anything from the battlefield to your hand.
6. Resolve the Thousand-Faced Shadow trigger, creating a token copy of Peregrine Drake.
7. The token Peregrine Drake enters the battlefield, triggering itself and Cloudstone Curio.
8. Resolve the Peregrine Drake trigger, untapping up to five lands you control.
9. Resolve the Cloudstone Curio trigger, returning Thousand-Faced Shadow from the battlefield to your hand.
10. Repeat from step 2.

Results