When Boreas Charger leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle.
Near Mint - $300
Lightly Played - $200
Moderately Played - $200
Heavily Played - $200
Damaged - $100
Near Mint Spanish - $300
Lightly Played Spanish - $200
Moderately Played Spanish - $200
Heavily Played Spanish - $200
Damaged Spanish - $100