Once per turn, during the End Phase, if this card is in your GY: You can banish 1 LIGHT and 1 DARK monster from your GY, except this card
Permanents leaving the battlefield is such an easy trigger to build around
The same problem arises: The best decks use these resources well, so the gameplan disproportionately helps the decks that need the least help to begin with
Graded Population Report: Magmar #39 Visualize the distrbution of grades in the chart
The only question now is how high this new auction reaches
Meanwhile, the deck also includes a variety of ways to bring back your fallen Angels, with cards such as Dawnbreak Reclaimer , Emeria, the Sky Ruin and Emeria Shepherd ready to return them to the battlefield (probably not difficult for the latter two, considering the 30 Plains the deck comes with)