Ixalan

Dire Fleet Captain | Creature | Orc Pirate | Whenever Dire Fleet Captain attacks, it gets +1/+1 until end of turn for each other attacking Pirate. | Yongjae Choi

Admiral Beckett Brass | Legendary Creature | Human Pirate | Other Pirates you control get +1/+1. At the beginning of your end step, gain control of target nonland permanent controlled by a player who was dealt combat damage by three or more Pirates this turn. | Jason Rainville