Conjure Elemental

If {r} was spent to cast this spell, create a 1/1 red elemental creature token with haste.
If {u} was spent to cast this spell, create a 1/1 blue elemental creature token with unblockable.
If {g} was spent to cast this spell, create a 1/1 green elemental creature token with reach,
If {b} was spent to cast this spell, create a 1/1 black elemental creature token with lifelink.
If {w} was spent to cast this spell, create a 1/1 white elemental creature token with flying.