mtg aether revolt booster box each with 15 randomly inserted game cards. Aether Revolt: Booster Pack

It's an alternative payment method, if you will

D&D is incredibly popular and theres definitely a pretty big overlap between the two fanbases, which means heavy profits for Wizards

"I think the value of these may be pretty close to the original [1997 Pikachu] trophy cards," said Pratte

Sporogenic Infection's second ability can target any player, not just the controller of the enchanted creature

Example of Combos Return of the Red-Eyes + Red-Eyes Fusion If you are Fusion Summoning with "Red-Eyes Fusion" while you control "Return of the Red-Eyes," use "Beckoned by the World Chalice" (treated as a Normal Monster) as a Fusion Material

Even with the life loss, Id play this over a card like Murder or Hero's Downfall any day thanks to the added utility