:[ -card with "Seven Seas" in its card name] When this unit is placed on from your drop zone, if you have a grade 3 or greater vanguard with "Seven Seas" in its card name, you may pay the cost. If you do, until end of turn, this unit gets +2000, and " :[Put this unit into your soul] When your vanguard attacks, you may pay the cost. If you do, draw a card.".
They are pirates. Don't expect them to come from the front.