Fire-Branded Solider

Kicker {p/r}{p/r}{p/w} (You may pay an additional {p/r}{p/r}{p/w} as you cast this card.)
When Fire-Branded Solider enters the battlefeild, if the kicker cost was payed, Fire-Branded Solider deals 4 damage split equally amoung any number of creatures.
{2}{w}{r} Fire-Branded Solider is unblockable until the end of the turn.