This is a perfectly ordinary animal, not anything related to flying, magic, or gifts. There are, however, only 2,000 of this endangered animal in existence!
Reindeer Bell price in Growtopia: sells for about 1 BGL, buyers pay about 57 DL (median of 10 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: MNIRO