These have been around for quite a while, but Wizards of the Coast has really ramped up the rate it releases them of late: this year alone we got Slime Against Humanity, Templar Knight, and most recently, Hare Apparent
That relatively simple presentation and its similarities to earlier depictions of the Ring quickly drew scrutiny online
Most red decks running Koth as their big threat will want to consistently hit their 4th land drop on turn 4, and that means running 24 lands rather than the 20-22 you can sometimes get away with in aggro decks.
You can also use this card to dump Normal monsters into the graveyard and set up some plays
The key here is that it also gives an equipped legendary creature hexproof
While some meta-relevant decks have low energy costs for their powerful attacks, others are insanely difficult to use because of their higher energy costs