While the times you shoot the moon and untap fifteen creatures to win the game are going to be few and far between, this is an extremely well-costed creature generation and card-drawing engine
Especially when being on the play, I personally think the relevance of a discard spell even increased since stronger creatures like Ragavan, Nimble Pilferer entered the format since Modern Horizons 2
In fact, Ill break it down into steps for you: Each player exiles their hand
Meant to evoke the iconic imagery of Japanese hobby shops, these pay homage to an integral part of the gaming community
That said, there are plenty of other powerful tutors in other colors that can find specific types of cards
If the creature you don't control is an illegal target as Hunter's Edge tries to resolve but the creature you control is a legal target, you just put a +1/+1 counter on the creature you control