They exist for one purpose: to hunt down and destroy all Synchro Monsters, once and for all
Along with this useful effect, it can also add an Ogdoadic Spell/Trap card from the deck to the hand, which makes Nauya, the Ogdoadic Remnant one of the most reliable Reptile-type monsters ever printed
Jund: With Jund, you have two main options: first, you can embrace the ramp theme, improve the finishers, and play a good-stuff / ramp deck
White Mage gets Lifelink, Thief cannot be blocked, and Black Mage has Deathtouch
One of the new legendary creatures from Kamigawa: Neon Dynasty also loves doubling things too
The main focus of the theme is to activate "Rite of Aramesir" as quickly as possible to get an "Adventurer Token" to the field, Summon the various monsters in the series, equip the Token with the Equip Spells and activate Field Spells in order to defeat the opponent swiftly