Bronzebeak Foragers (Extended Art) [The Lost Caverns of Ixalan Commander]

When Bronzebeak Foragers enters the battlefield, for each opponent, exile up to one target nonland permanent that player controls until Bronzebeak Foragers leaves the battlefield.
XW: Put target card with mana value X exiled with Bronzebeak Foragers into its owner's graveyard. You gain X life.