Wonders of the Wizarding World Foundables on this Registry Page 4 Howler Rarity: 2 out of 16 15 Whomping Willow Rarity: 5 out of 16 11 Weasleys' Flying Car Rarity: 4 out of 16 4 Wanted Poster of Sirius Black Rarity: 2 out of 16 15 The Knight Bus Rarity: 6 out of 16 11 Grawp Rarity: 4 out of 16