100% Hit Chance
Calls down a mudslide, dealing 591 Critter damage and causing muddy weather for 9 rounds.
Muddy weather prevents any pet that enters the battlefield from swapping out for 3 rounds.
Drop: Bufo 
Pet Battle: Timeless Isle
Approximate Drop Rate: 1 in 33
Quest: Beasts of Fable Book I , Beasts of Fable Book II , Beasts of Fable Book III 
Drop: Fabled Pandaren Pet Supplies
Approximate Drop Rate: 1 in 10
Pet Battle:  Spires of Arak;  Talador;  Nagrand (Draenor)
Quest: Pandaren Spirit Tamer 
Zone: Vale of Eternal Blossoms
Drop: Pandaren Spirit Pet Supplies
Drop: Zhu-Gon the Sour 
Zone: Timeless Isle
Pet Battle: [23-25] Krasarang Wilds