This card is "Magical Exemplar" wielding the scythe of "Night's End Sorcerer". The bats in the artwork of "Night's End Sorcerer" are also present in the art of this card. This makes sense as both monsters work well together to easily Synchro Summon this card.
"Magical Exemplar", "Night's End Sorcerer" and this card are all TCG exclusive cards, which is probably a reason for their "connection".
Also the total Level of "Magical Exemplar" and "Night's End Sorcerer" is 6.