Petryanios, Pirate Guardian

Companion - Every creature in your starting
deck is a pirate.
Flying
Treasures and pirates you control get "{t}: add {u} or {r}. Spend this mana only to cast pirate or vehicle spells."
Whenever you cast a pirate spell, reveal the top
card of your library, if it's a pirate, you may put it
into your hand.