Titan, Father of Creation

Indestructible, protection from colored spells.
{x}, {t}: Search your library for a creature card
with converted mana cost X and put it onto the battlefield tapped, then shuffle your library. If that creature is colorless, gain life equal to its power or toughness, whichever is greater.
{t}: Discard a card, if it is a colorless creature you may exile it instead.