Gate to the Passage God

As long as your devotion to white and black is less than 5, Gate to the Passage God cannot be tapped.
{t}: Add {w} or {b} to your mana pool. You may choose a creature in your graveyard that died this turn with power and toughness 3 or less, then put it onto the battlefield under your control. If you do, you lose 2 life.