Emberweave Acolyte

Whenever you cast a red or white spell,
Emberweave Acolyte gets +1/+1 until end of
turn.
Dream (Whenever you control three legendary creatures, you may activate this creature's Dream
ability) {r}{w}, {t}: Emberweave Acolyte deals 1
damage to any target and you gain 1 life.
In the fiery dreams of the acolyte, power and healing intertwine.