It functions almost like a legendary sorcery in that you need to control a legendary creature, but with the Ring tempt at the start of the effect and Commander's color identity, this is essentially a Grim Tutor with upside rather than life loss
He excels with symmetrical lock pieces like Winter Orb and Static Orb, which prevent permanents from untapping
It's also a clock that will force your foes to take two to the face each of your upkeeps
Garruk's Uprising, Colossal Majesty, Elemental Bond, Hunter's Talent, Vaultborn Tyrant, Drumhunter, and Garruk's Packleader all fall into this category
This leads the upgraded version to follow a distinct two-step game plan: use value creatures to control the early game while Ranar incidentally makes tokens, then deploy anthem effects to close out the game quickly with your token army
Archon's in turn been outclassed by Atraxa, Grand Unifier, but the two are often seen together in the same decks