Plane Jumper Scouts

Flying, Vigilance
When Plane Jumper Scouts enters the battlefield, place 2 2/2 Plane Explorers onto the field for each color of mana on the field.
Plane Jumpers can be tapped to help pay 2 mana cost of Plane Jumper's Armada.
"If it's unclaimed, it belongs to us!"
-Plane Jumper's Code