When its floating out on the ocean, it looks exactly like drift ice
During the opponent's Turn when a Monster declares an Attack, "The Hidden City" can flip a face-down "Subterror" Monster to not just active their effects, but negate the Attack as well
It's fast, it's consistent, and it's efficient, which is an awesome place to be week one
Playing from the graveyard is of course necessary for the card to do much of anything, while going wide is the best way to maximize the +1/+1 counters it generates
You can even use the mana that the clock provides right away to interact with your opponent, with cards like Spell Pierce, Rapid Hybridization or a cleaved Wash Away
Still, no matter how bad its finale was, the Clone Saga was a big event for Marvel in the mid-'90s, way before massive crossovers were a yearly occurrence