Captain Lannery Storm (FCA-038) - FINAL FANTASY: Through the Ages / Vaan, Aspiring Sky Pirate (Borderless)

Haste
Whenever Captain Lannery Storm attacks, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")
Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.