Dearthwood Ritualist

{1}{w}: Target player gains 2 life.
{1}{r}: Sacrifice a token. If you do, Dearthwood Ritualist deals 1 damage to any target.
{2}{u}: Dearthwood Ritualist gains flying.
{2}{b}: Create a blue -1/1 flying Spirit token with "whenever this creature is the target of a spell or ability, sacrifice it."