Silver Pig
Source: Promotion. Druids think silver pigs have a special bond with golden pigs, as both breeds appeared on Azeroth at the same time. Critter type. No, no. Hes deffinetely more of a sterling pig than anything else.
The 
Silver Pig is a promotional pet formerly available as a Recruit-a-Friend reward and later offered to Prime Gaming subscribers from July 25, 2023 to August 24, 2023.
Guide awaiting review
Check Prime Gaming Availability
The Silver Pig was claimable through Prime Gaming during a limited window in 2023. Check the official World of Warcraft Prime Gaming loot page at worldofwarcraft.blizzard.com to see if a current offer is active.
Use Recruit-a-Friend
If Prime Gaming is not currently offering the Silver Pig, it can be obtained through the Recruit-a-Friend system, where you invite a new player and then choose the Silver Pig as your reward from the available pet options, which also include the 
Golden Pig Coin, Jade Tiger, and Zipao Tiger.
Tips
The Silver Pig was previously restricted to Asian accounts but became available globally when the Recruit-a-Friend reward system was reworked in patch 5.4.1.
