Ojer Taqs ability reads If one or more creature tokens would be created under your control, three times that many of those tokens are created instead. MTG Token decks can churn out a large, reliable supply of small creatures, and this card can create a veritable horde in a short space of time
Or youre just trying to work your way towards something pricey, and, much like my middle-aged belly, youve got bulk to spare
Being able to destroy all creatures on the board for only four mana is still a tremendous bargain, especially considering that all four-mana board wipes these days have a caveat that could serve as a minor downside (an opponent drawing a card or getting a Clue token, for instance)
And while it's obviously a decent plan to put this in a landfall deck that can make better use of the lands it fetches up, there's no sign on EDHREC that it's seeing any play with the Edge of Eternities Landfall commanders
You can also spend two to sac this to counter an ability as an emergency like the win-clause of Thassa's Oracle
Some examples worth building decks around include Intruder Alarm, which will untap all your creatures