Prismatic Envoy

Prismatic (The spell has the following effects based
on what color mana was used to cast this spell.
• {u}Return target creature to its owners hand
• {w}This creature gains +1/+1 and vigilance
• {r}This creature gains has haste.
{bull} {b}Target creature gets -1/-1 until end of turn.
{bull} {g}Add one mana of any color to your mana
pool.)