Ultra Rare zelfs are the most valuable of all the zelfs. Considering there are usually only 10,000 in existence for each kind these zelfs are often sought after by collectors.
“Miss Clover is a Four-Leaf-Clover Zelf. Extremely shy and sweet. Not much known because she's so...Miss Clover
“Jewely is a Ruby Zelf. Jewely is an ultra-rare Ruby Zelf of exceptional power...A sight to...Jewely
“Cleocat is a Series 4 Ultra Rare Zelf. This living treasure is worth digging deep for. Dripping...Cleocat