The power level on this one is roughly that of Phyrexian Arena Id estimate and given that a slower, less mana efficient Phyrexian Arena was one of the strongest card drawing tools in the last Standard (Underworld Connections), Id be very surprised if Sultai Ascendancy didnt prove to be very good in Magics most played Constructed format, likely as the best enabler for a delve-abusing Sultai midrange or control deck
The Human Warrior tokens are also quite good as Humans and, to a lesser degree, Warriors are tribes with lots of support
SENDING CREATURES TO DISTANT PLACES People often forget that Magic isnt just made for the big-money formats
Jirina Kudro At 4 mana, Jirina Kudro gives you extra bodies based on the number of times youve cast your commander in this game
Absolute Virtue Aettir and Priwen Ancient Adamantoise Buster Sword Clive, Ifrit's Dominant Cloud, Midgar Mercenary Cloud, Planet's Champion Dark Confidant Emet-Selch, Unsundered Esper Terra Gogo, Master of Mimicry Hades, Sorcerer of Eld Ifrit, Warden of Inferno Kefka, Court Mage Kefka, Ruler of Ruin Lightning, Army of One Nibelheim Aflame Sephiroth, Fabled SOLDIER Sephiroth, One-Winged Angel Sephiroth, Planet's Heir Summon: Bahamut Summon: Knights of Round Terra, Magical Adept Traveling Chocobo Vivi Ornitier Y'shtola Rhul Yuna, Hope of Spira
In a blog, Mark Rosewater, lead designer on the game, said that it is counter-intuitive to have the Ring bring in-game positive effects, but it was the only way to get players to actually interact with it