Dragonfire Blade (Tarkir: Dragonstorm)

Equipped creature gets +2/+2 and has hexproof from monocolored. Equip {4}. This ability costs {1} less to activate for each color of the creature it targets.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50