It was always a Standard staple, and its a human so it sees play in Modern/Pioneer human decks
Not only do you get to potentially cast a potent spell from your opponents deck when Ragavan connects, but you also get a Treasure token to help cast that spell or any others from your hand
It lets you copy any permanent in 4/4 Dragon form
Just two mana for three shield counters is excellent, and in counter-centric decks you're likely also going to be running things like Doubling Season to make those shields last even longer
And, Resourceful Defense returns from the Streets of New Capenna Commander Decks, as does Damning Verdict, both of which are vital to any strategy involving counters (as the Bant deck in that set was also themed around)
Whatever your type of humor, there is plenty to find across Magic 's 33-year history