Gaia, Divine Matriarch

Whenever you cast an enchantment spell, you
may search your library for a God and/or Titan
card and put it onto the battlefield. It gains haste. Sacrifice it at the beginning of your endstep.
Spell's Rebirth costs are {4} less to cast.
Rebirth - {4}{w}{u}{b}{g}, Exile ten other cards from
your graveyard.