
tag @s add regeneration
scoreboard players set @s shop 25
data modify entity @e[tag=cost,sort=nearest,limit=1] CustomName set value '["",{"text":"25","color":"#ED7F3B"},{"text":"\\uF81e","color":"white"}]'

data modify entity @e[tag=name,sort=nearest,limit=1] CustomName set value '[{"text":"Regeneration","color":"#FF96CB","bold":true,"italic":false,"underlined":true}]'
data merge entity @e[type=item,tag=shop_d,sort=nearest,limit=1] {Item:{id:"splash_potion",tag:{Potion:"regeneration"}}}
