Captain Lannery Storm

Mana cost: {2}{R}
Type: Legendary Creature — Human Pirate
Power / toughness: 2 / 2
Set: Multiverse Legends #150z (rare)

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.

Captain Lannery Storm has 14 printings, first in Ixalan (2017). EDHREC ranks it #1,211 among Commander cards. It appears most in Isshin, Two Heavens as One decks (14,552 on EDHREC). 3 public decks on TCG run it. It has 3 official rulings.

Legality

commander: legal
legacy: legal
vintage: legal
pauper: not legal
modern: legal
pioneer: legal
standard: not legal
brawl: legal

Public decks that run Captain Lannery Storm

Ahoy Mateys - The Lost Caverns of Ixalan Commander, led by Admiral Brass, Unsinkable
Legends' Legacy - Dominaria United, led by Dihada, Binder of Wills
Most Wanted - Outlaws of Thunder Junction Commander, led by Olivia, Opulent Outlaw

Commanders that run Captain Lannery Storm most

Deck counts from EDHREC.

Isshin, Two Heavens as One: 14,552 decks
Edward Kenway: 8,576 decks
Sonic the Hedgehog: 7,599 decks
Admiral Brass, Unsinkable: 6,365 decks
Shadow the Hedgehog: 6,160 decks
Vihaan, Goldwaker: 5,705 decks
Ognis, the Dragon's Lash: 4,704 decks
Olivia, Opulent Outlaw: 4,152 decks

Often played with Captain Lannery Storm

Cards that show up in the same decks on EDHREC.

Rulings

2017-09-29: If you sacrifice Treasures to cast Captain Lannery Storm, its last ability won't trigger for those Treasures.
2017-09-29: Captain Lannery Storm's last ability triggers whenever you sacrifice a Treasure for any reason, not just to activate a Treasure's mana ability.
2017-09-29: You can activate the mana ability of a Treasure even if you have nothing to spend that mana on.