You can reduce Soar’s cooldown to 3 minutes for 10,000 gold per continent with scouting maps.
Dracthyr Evokers can buy scouting maps from Krom Stoutarm in Ironforge and Estelle Gendry in Orgrimmar. They cost 10,000 gold each and when used, continents will count as “fully explored” and trigger the Dracthyr Familiar Skies racial passive that reduces Soar‘s cooldown to 3 minutes. You probably want to buy Eastern Kingdoms and Kalimdor first.
The vendors offer the following items for sale: