Winter Reindeer
Drops from Gaily Wrapped Present. Would rather not spend any more time inside a wrapped holiday gift box. Critter type. You get this nifty little pet from a present on December 25. It's summoned with a Jingling Bell ( )
Winter Reindeer is a battle pet obtained from a Gaily Wrapped Present that appears on December 25th during the Winter Veil world event.
Guide awaiting review
Open Gaily Wrapped Present
On December 25th, find and open the 
Gaily Wrapped Present to receive 
Jingling Bell or another helper item, which teaches you the Winter Reindeer pet.
Summon Winter Reindeer
Use the Jingling Bell to summon Winter Reindeer as a battle pet. The item no longer requires any reagents.
Tips
If you own both Winter Reindeer and Little Winter Helper pets, the Little Winter Helper will mount on the Winter Reindeer when both are summoned.
