Porygon

You may cast Porygon from your graveyard if you pay {e}{e} instead of paying its mana cost to cast it.
At the beginning of your upkeep get {e}{e}.
Last strike, protection from Spirits.
Pay {e}: Porygon gets +2/-2 or -2/+2 until end of turn, or scry X, where X is it's toughness.
Pay {e}{e}: Porygon gains first strike, flying, or phases out until end of turn, or Porygon becomes the color of your choose until end of turn.
{t}: Porygon deals damage equal to its powe