Useless interactions 1

Pay 5 life, you can loose the game this turn,
your opponents can win the game this turn,
gain 2 life, create Dark Vador, a 2/2 red
legendary creature token with "when this
creature dies Scream NOOOOOOOO" .
Then gain 1 more life, you may put a card
named useless interactions 2 from outside the
game into your hands, sacrifice Dark Vador
and, wait 3 seconds before playing the rest
of your game, otherwise you loose the game.
Gain 2 life for being respectful towards Dark Vador