Once a Drop Rate Blessing is used, the entire server gets an additional 20% chance for a wild Pokemon to drop an item.
Additionally, Extremely Rare Pokémon with a specific drop, such as Scyther's Metal Coat or Snorlax's Leftovers, will have a 20% higher chance of dropping their specific item.
To see if a Drop Rate Blessing is in use, look in the top-left corner.
Drop Rate Blessings can be bought at the Casino Shop, or by trading with someone who has it. It costs 2,500 Casino Tokens.