Wash Out

Return all permanents of the color of your choice to their owners' hands.

Quirion Elves

As Quirion Elves enters, choose a color.
{T}: Add {G}.
{T}: Add one mana of the chosen color.

{R}, {T}: Target creature gains first strike until end of turn.
{W}, {T}: Tap target creature.

{W}, {T}: Tap target creature.
{B}, {T}: Target player loses 1 life.

Vigilance
{G}: Regenerate Charging Troll.