Death's Eye

Exile all nonland permanents from target
player's graveyard, then that player may
choose to draw two cards or play an extra
land during their next turn. Put a time
counter on this card for each time you use
this ability.
{4}{b}{b}{t}: Exile Death's Eye, each opponent
sacrifices {x} permanents for each time
counter on this card, then you gain life for
each permanent sacrificed this way.