Liliana, Graveyard Silencer

Lifelink
If a creature would be put into your graveyard,
exile it instead.
{b}{t}: Exile two creatures from an opponent's graveyard, target creature gains hexproof and indestructible until end of turn.
{1}{b}{b}{t}: Each player returns target creature
with mana value X or less from exile to the battlefield, where X is the amount of cards that
player owns in exile.