Very rare. A shiny evolves only with these, on top of its usual cost: one for each time the next form's shine is twice as rare. Won battles on any map drop one now and then, or 100 ribbons at the Mart.
Poké Mart100 ribbons
Where to get it
- Coin store: 150 Arena Coins for 3 (also the Pokédex's shiny medals and the Battle Frontier's prizes)
- Won battles on any map: 1 in 1000 (twice as often on the boosted map and in raids)
- Mission: Out of the Pits