Grey Merchant of Asphodel was a real boost to Necropotence as it is a powerful effect regardless of the lifegain and has good devotion synergy with Necro
Ral, Crackling Wit Bloomburrow has a series of Special Guests who have traveled to the Plane and been transformed by its mysterious magic
When it was originally previewed, all I could think of was but it doesnt stop the trigger from happening to your opponent, you just copy it
Instead, Celes offers a substantial reward for decks that can consistently play from their graveyard
It is a sort of anti-aggro deck, using enchantments like Pacifism and Stab Wound to stop the opponent, Kruphix's Insight, Auramancer and Font of Return as a card advantage engine and some enchantment creatures as win con, helped by the Constellation ability of Grim Guardian and the boost of Ethereal Armor
So while you do pay a premium for better cards, the amount of cards you'll use in your constructed decks after drafting Modern Horizons 3 is much greater than your average Standard set