Cheapest priced copy (Final Fantasy: Through the Ages): $0.39 at Card Kingdom, near mint, their price list as of .
Captain Lannery Storm 
Legendary Creature — Human Pirate · 2/2 · Rare · Multiverse Legends · #20
Haste
Whenever Captain Lannery Storm attacks, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
14 printings · $0.39 to $8.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United Commander | 120 | Rare | $0.49 | — |
| Final Fantasy: Through the Ages (Vaan, Aspiring Sky Pirate) | 38 | Uncommon | $0.39 | $0.49 |
| Jumpstart 2022 | 509 | Rare | $0.49 | — |
| The Lost Caverns of Ixalan Commander | 218 | Rare | $0.49 | — |
| Multiverse Legends | 20 | Rare | $0.49 | $0.79 |
| Multiverse Legends | 85 | Rare | — | — |
| Multiverse Legends | 150 | Rare | — | $2.49 |
| Multiverse Legends | 150z | Rare | — | — |
| Outlaws of Thunder Junction Commander | 158 | Rare | $0.49 | — |
| Ixalan Promos | 136p | Rare | $0.69 | $7.99 |
| Ixalan Promos | 136s | Rare | — | $2.49 |
| Secret Lair Drop | 1409 | Rare | $6.49 | — |
| Secret Lair Drop | 1409★ | Rare | — | $8.49 |
| Ixalan | 136 | Rare | $0.49 | $2.49 |
3 rulings from Wizards of the Coast
- 29 September 2017If you sacrifice Treasures to cast Captain Lannery Storm, its last ability won't trigger for those Treasures.
- 29 September 2017Captain Lannery Storm's last ability triggers whenever you sacrifice a Treasure for any reason, not just to activate a Treasure's mana ability.
- 29 September 2017You can activate the mana ability of a Treasure even if you have nothing to spend that mana on.