While Hinata busts this wide open, the more general use case is as a flexible fog or board wipe protection spell
Ill be focusing heavily on EDH playability, since EDH has become the most played MTG format and affects card prices a lot
For seven loyalty, you get an emblem that lets you not only untap all of your permanents during everyone elses untap steps, but also draw a cards during their draw steps
Gempalm Polluter A great card in zombie tribal decks, Gempalm Polluter lets you drain your opponent based on the size of your undead horde
If a resolving spell or ability instructs a specific creature to connive but that creature has left the battlefield, the creature still connives
In decks looking to go wide and with +1/+1 counter synergies, the effect of putting a +1/+1 counter on every creature is also good