Bringer

Bringer is a creature type unique to Fifth Dawn.

There were five Bringers, all connected to one of the five suns/moons of Mirrodin. Each of these rare creatures has a mana cost of CC, but can be played for instead of the mana cost. Each has trample and a powerful ability that may be played at the beginning of the owner's upkeep.

• Bringer of the White Dawn
• Bringer of the Blue Dawn
• Bringer of the Black Dawn
• Bringer of the Red Dawn
• Bringer of the Green Dawn.

Moon

Specifically, Bringer was also the yellow moon of Mirrodin, composed of white mana. It played a central role in leonin culture.

Source

• The Moons of Mirrodin