Endgame Infinity Gauntlet

Add only to Thanos, Hulk, or Iron Man
{r}{w}{g}{u}{b}: Snap
Thanos snaps: Opponent discard half their cards,
hand, deck, and lose half lifepoints.
Hulk snaps: Every card in the graveyard is
put in your hand.
Iron Man snaps: Sacrifice Iron Man, all of the
other players cards are discarded.