For a card with three abilities, this card could fill the holes that this type of deck had
Since Ojer Axonil, Deepest Might will almost always be played in a burn deck, hitting the threshold to deal four or more noncombat damage is trivial to accomplish to get the front-side back.
The prize support is not huge for a Grand Prix, the difference between coming 4-8th and coming 1st is $3.5k or so, the diff between 4-8th and 3rd/4th is only $500
Its untap ability adds even more versatility, which lets you reset lands, mana dorks, or utility permanents for extra value
Below, we stack them next to each other, format by format and player by player, then answer the questions players actually ask before they pick a side