Salvation Orb

Everlasting (Once this card is in play, no effect may
cause this card to leave the battlefield.)
If a player would lose life,, instead they lose half
rounded down. Players can't gain life. Creatures
your opponents control lose and can't gain
Deathtouch or infect.
{6}: Salvation Orb loses everlasting, then exile it.
Any player may play this ability.