Gastly

You may cast Gastly from your graveyard by
paying 4 life instead of its mana cost.
Flying, trample
Protection from Warriors and colorless creatures
that are nonartifact and nonSpirit.
Gastly can't have -1/-1 counters placed on it.
{t}: Detain target tapped creature.
{p/c}, {t}: Gastly deals 2 damage to target creature.
{p/c}: Gastly phases out.