The Ultimate Dart

Hexproof
{1},{t}: Search your library for a Dart, put it into
your hand, then shuffle your library.
{w}{w}: Target Dart Master gets +1/+1 until
end of turn.
If you control a Dart Master, 5 Darts, and cast a
Bulls-eye, you may pay {6}. If you do, you win the
game.