Ixalan

Costly Plunder | Instant | | As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards. | Ben Maier

Desperate Castaways | Creature | Human Pirate | Desperate Castaways can't attack unless you control an artifact. | Zoltan Boros

Dire Fleet Hoarder | Creature | Human Pirate | When Dire Fleet Hoarder dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Deruchenko Alexander

Queen's Bay Soldier | Creature | Vampire Soldier | | Jesper Ejsing