Parselena, Archivist of Ashes

If a creature entering the battlefield from a graveyard causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
At the beginning of your upkeep target creature card in your graveyard without remnant gains remnant. Its remnant cost is equal to its mana cost reduced by {2}. (You may cast that spell from your graveyard for its remnant cost. If you do, it's exiled wh