Gruul Sociopath

Kicker {r} or {g} (You may pay an additional {r} or {g} as you cast this spell)
If you spent {r} to cast Gruul Sociopath or to kick it, it has Haste. If you spent {g} to cast Gruul Sociopath or to kick it, it has "{t}: Add {r} or {g} to your mana pool". (It has both if both {r} and {g} were paid.)