Volatile Hydra

As an additional cost to cast Volatile Hydra,
pay {w}{w}, {u}{u}, {b}{b}, {r}{r}, or {g}{g}.
If {w}{w} was spent to cast Volatile Hydra, it
has lifelink. If {u}{u} was spent, it has hexproof.
If {b}{b} was spent, it has deathtouch. If {r}{r}
was spent, it has haste. If {g}{g} was spent, it has trample.