finally, the full effect!
Lunalight Crimson Fox
1. If this card is sent to the graveyard by a card effect: You can target 1 face-up monster your opponent controls; The ATK of that monster becomes 0 until the end of the turn.
2. When a “Lunalight” monster is targeted by a card effect: You can banish this card in your graveyard; Negate that activation, and if you do, both players gain 1000 Life Points.
Straight from the official twitter