The Highlander

The Highlander enters the battlefield tapped.
When The Highlander enters the battlefield,
you may pay {1}. If you do, manifest the top card
of your library.
{1},{t}: Add {w}{u}, {w}{b}, or {u}{b}.
{w}{b},{t}, Sacrifice The Highlander: Each
opponent loses 4 life and you gain that much life.