The Pokémon Company is giving away more legendary Pokémon later this week with a special Pokémon Bank campaign. Starting tomorrow, March 4, subscribers to the Nintendo 3DS storage service can download Regice, Regirock and Registeel to any of their Pokémon 3DS games.

Each of the Pokémon comes at level 50 and loaded with a Hidden Ability, making them especially rare. Owners of Pokémon Omega Ruby, Alpha Sapphire, X and Y can use the Pokémon Link feature to get the characters into their games from the Bank app.

First introduced in the third generation of games, "the Regis" are not among the Pokémon being offered in the yearlong anniversary download promotion, which is open to all Pokémon players. They'll only be offered to those who pay the $4.99 annual fee to use Pokémon Bank — or are willing to unlock them in Pokémon Omega Ruby and Alpha Sapphire, in which they can be captured during the main campaign.

The offer is available through Oct. 31. For those without Pokémon Bank, mythical legendary Celebi is currently available to download through the Nintendo Network.

The original Game Boy Pokémon games recently launched on the 3DS eShop and are also compatible with Pokémon Bank. Players will be able to transfer monsters caught in these games to the next line of Pokémon RPGs — Pokémon Sun and Moon, which will launch this holiday season.