Hydra Incubation Facility

{x},{t}: You may search your library for a Hydra creature spell with {x} in its mana cost. You may immediately play it, ignoring {x} in its mana cost
and substituting {x} in its effects for the amount
of mana you paid to activate this ability. Shuffle
your library.
{t}: You may shuffle a Hydra creature from your graveyard into your library.